6.5 Creedmoor - Hotter loads with H4350 and 143gr ELD-X

Trying to max out Hodgdon H4350 with the 143gr Hornady ELD-X in 6.5 Creedmoor.
UPDATED 09/27/2018 - All links have been removed to comply with KZbin content policies.
www.patreon.com/reloading

[@ktmracer3587]

Just picked up a 308 and went back and re-watched your 308 videos and man its crazy to see how far you have come with the video quality. Keep up the great work.

[@THutch556]

Excellent Vid JRB. I really like the format of going back and forth and discussing the results. The added MOA numbers is also great. Your videos continue to improve, all the hard work and editing does not go unnoticed. Thumbs up for sure. The T/C Compass just continues to be a great value. Mine shoots the 143 ELD-X just a little bit better with RL17 than H4350.

[@anchorbait6662]

T Hutch I agree with the vido format comments

[@koatlehekatlangeles4957]

T Hutch how many grains of rl 17 do you use ? I ve always been curious to try it

[@CowboyJP]

It never fails every time that I watch any one of these videos it makes me want to go to the bench and start working up new loads for myself in my rifle! My favorite channel on youtube bar none the hard work is greatly appreciated!

[@CaptainCreampie69]

John is out here doing the lord’s work. Hornady loves their lawyer loads…

[@pete1342]

Case head expansion tells the story, measured with a micrometer, NOT a caliper, just ahead of the extractor groove. Case head expansion over .0005 is scary territory no matter what the primers or shiny spots on the rear of the case look like.

[@Aldocello1]

Very good piece of information ...Im not concerned with a little shine , its getting close to head separation I focus on ...And as far as craters , ehhh , I use federal match primers , which are soft so I have craters on light loads lol

[@zacharyphillips3441]

“Let’s try to blow it up” proceeds without safety classes 😂

[@usa5865]

Im not sure if you're still reading these comments or not but I'm trying to expand on your great work and want to share the results. Im using a ruger American 1:8 22" barrel. Starline brass with Winchester standard lrg primers and nosler 140 gr RDF with 0.040 jump. With h4350 I've gone from 40.6-42.8 grains with velocities ranging 2550-2730 fps. No pressure signs. Ive also tried hybrid 100v from 39.6-42.0 with velocities ranging 2576-2788 fps. No pressure signs. The 100v is producing better SD and tighter groups and it meters amazingly well. It also produces large flat spots for accuracy nodes. Thanks for what you're doing it's a huge wealth of info

[@gabelov2fish670]

Love your videos...I know some are about 3yrs in the 6.5 series, but I'm just getting into loading and I'm learning a lot.

[@BuntMeister66]

Thanks again for your time and knowledge, another great video. Well I tried to get the TC Compass with your advice/discussion on your site and my LGS sold out of their stock on Black Friday, so long story shorter, same LGS brought the Ruger American Predator in 6.5C, on a one day Christmas sale and I got one... Off to the races. Now I'll be taking much better notes 😉

[@walterpalmer2749]

Johnny, H 4350's popularity is that it's temperature stable !! It's "top of the mark" stable in performance at no greater than 25 fps variation over a wide range of temperature (if my memory serves me). This reason alone makes it "#1" in powder choice.

[@portwood0341]

They establish maximum loads by the average pressure. The reason the H4350 is maxed n the upper 59,000 psi range is because they found that loading higher than that maximum charge would occasionally result in pressure over 62,000

[@kevpeacock5673]

Good video John. And an excellent demo of what happens to groups when the "best" loading is reached and then surpassed with a particular rifle/load combination. My pet load for the 143gn ELD-X is 49.5gn of RL22 which gives 2759 avg. and .460" 5 shot groups at the 100yd range from a Tikka T3X with zero pressure signs. Going hotter just made the groups open, so no point. Sorry for late response but you have so many great videos to watch I always seem to be finding another one. Thanks mate.

[@woodsmn8047]

this powder was always my go to for my Ruger 25 06 back in the 70's and 80's I would have thought the world would move on by now ... but I guess not ..!

[@zeissOholic]

My Tikka Lite SS 6.5 Creedmoor has a long throat and plenty of room in the magazine. The 143gr Hornady ELD-X COL to fit and function in the magazine is 2.970. That's seated .025 off the lands. Accordingly, pressures and velocity are reduced. 43.7 gr of H4350 only produces 2,720 fps in Lapua brass with CCI 450 primers. No pressure signs at all and I could probably go as high as 45 grs. Base to ogive is the important measurement not COL unless you're a hunter and are limited by a short magazine.

[@shakes00lude]

Good video man. I'm not a huge fan of the new schedule format (range, bench, repeat) but it has its benefits and will let you split up those longer videos into two desirable short ones. You'll need to come up with a cool "to be continued" transition, like the "dun dun" sound on Law & Order.

[@stephenkrall7609]

Digging the new graphics with the group summary.

[@AnthonysOutdoors]

All reloading manuals and powder manufacturers have lowered their published maximums in the last 10 years. Also, a big problem with the 6.5 was that people were using 308 bolts and firing pins in large frame ARs and were having serious pressure issues. Now you can buy "high pressure" bolt and firing pins which have a smaller firing pin hole and thinner firing pin. and it solves the problems.

[@johnnycostner6806]

Another reason whyI really appreciate you and your channel...typical morning for me, coffee and gun, reloading videos etc. ..you know the saying "everyone is a comedian" ? Well now everyone is a youtube channel gun and bullet Tester...Funny thing is ,there results are never because of there shooting skill(unless good results)there hand loading skill, the gun they built themselves, or there cheap low battery chronograph etc.etc....and I especially love the world ending survivalist prepper pretend navy seal operators who are going to be the only ones left on planet earth when it finally happens....Wow,the dumbing down of america is really taking hold

[@Jordan1414Brown]

There vs their

[@jat2409]

Just a tip when loading to max with stick powder, use a 4 or 5'' drop tube and the powder level will drop significantly. Nice vid. Thanks/

[@squaregrouperx]

The TC Compass in 6.5CM is the best deal on the market for distance shooting. My honey load for my Compass is Hornady brass, 42.8gr of H4350 sending a 140 ELD-M @ 2770fps. Cloverleafs at 200yds and can consistently hit 18" steel @ 1000yds. (I DO get a little bit of primer cratering with this load)

[@caseyfenlon2238]

I can only get Winchester primers but plan on working up a load like yours (I’m new to reloading) do different brand large rifle primers create significant differences in pressure?

[@ddn79]

My load 43.7gr o H4350, but the gun has a longer chamber so I can load it to 2.900. Out of a 20" barrel I am getting around 2800FPS. The extra room in the case makes a huge difference.

[@gclaytony]

The brass is a much more reliable pressure indicator than primers just due to the inconsistency in primer construction. CCI primers in particular might never show any signs of pressure even after case extraction becomes very difficult. If you think about what it takes to get brass into the ejector hole in the bolt fase, the brass literally has to 'flow' with sufficient pressure behind it to depress the plunger so that brass can extrude into the hole in the bolt face. That is high pressure, seriously high to use your words. If you disassemble the bolt, don't be surprised to find some fine brass shavings inside from the brass extrusion into the ejector hole. Clear signs to stop and back off the powder charge. Consider one of the suppressor wraps, that is what most competitive shooters use to mitigate the mirage off the suppressor.

[@jimhans1]

Actually Johnny, the pressures listed in manuals is the AVERAGE pressure for that max load. But it's listed as a max load as at least SOME of the shots hit the maximum pressures.

[@russhayes4882]

Your always so informative this one is great I am working on a 6.5 round now !

[@sjohnson1776]

New sub. I've been loading my own since the '70's. Shoot a lot of .223, .308 and .300 Win Mag. Just added a 6.5 Creedmore chambered Bergara B-14 HMR, Vortex Viper PST Gen II, FFP, 5x25x50, 30 MM, with precision matched Vortex rings, 20 MOA Evolution Gun Works rail. Looking forward to working up some loads! Thanks for the data!

[@clinte9897]

sjohnson1776 I have just about the same set up, cept hst sfp and zero moa nightforce rail. I just ordered my Hornady custom die set and eldx seater stem. Hopefully I’ll be loading soon as the cost of Hornady precision 143 eldx is getting expensive. But so far it’s been the best shooting factory ammo I’ve used for a hunting round. Hope to draw some blood with it in a couple of days when season opens. Please keep us updated of any pet loads!

[@FortuneCookie45LC]

JRB - That Savage is looking better all the time...Happy New Year to ya, FC Steve

[@blancs3030]

42.5 was my best load with a 24" barrel, my buddy that I load for is 42.4 with a 20" barrel. I found groups widen out past 43 so it wasn't worth punishing my brass. Past 43.5 I was crunching powder and heavy or sticky lifters. Your SD is alot better than mine with large CCI BR primers. Best I can get is 8 to 10

[@garrytalley8009]

Anything under 10 is considered excellent in reality. That is with a minimum of a 10-shot string. You should be shooting all of them with a fouled barrel as well because a clean bore shot could screw up the SD.

[@billbee235]

Yes! My pet load is 42.5gr of H4350 and 143 Eld-X at 2.815”. I shot some stellar groups out of my Tikka with that load. H4350 had the lowest SD by far. My smallest groups were with Winchester 760 but the SD and ES were not as low as H4350

[@marcrobert2603]

shot the first time with my tika, using starline lr brass,147ELD-M and ramshot hunter. sd was allmost 0, shot 0,3",0,4" during barrek break in (first 25shot over 2 hours) 110Yards see sites.google.com/view/reload-cheap-subsonic/homepage

[@stephenkrall7609]

Just picked up my Ruger American predator in 6.5 creedmoor. Looking forward to see where this series goes. Great Videos Johnny.

[@forrest225]

Stephen Krall Nice, I've been looking for a deal on one of those.

[@blancs3030]

I started with one and maxed it out. It was a good performer.

[@stephenkrall7609]

I got mine out of Whittakers Guns in Kentucky. They only had 4 in stock and I got one of them for $351.00 + 15.99 shipping. This is the best deal I have seen in months.

[@forrest225]

Stephen Krall I live a couple hours away from them. They tend to beat just about everybody.

[@posjoey]

Stephen Krall My coworker/shooting buddy picked up a RAP last year in 6.5 creed. It's amazing how well they shoot for the money!

[@CorwinBos]

Good video. Primer cratering issue is probably caused by gap around firing pin. You would need to bush the firing pin to tighten that up.

[@sd3gunner]

Hey man loving this video so far but had to pause and type before i forgot. I use nothing but Starline small primer brass and love it. I have loaded up 2gr!!! above max with no crattering. 2 things i have different, 1 is i use remington 71/2 benchrest small primers and 2 and most probable solution is i have a JP match high pressure bolt for my ar10 i put together.

[@juliusjames5577]

Great video! To many safety Sally’s in this world.

[@mealston1725]

the primer cratering tells me that the compass' bolt face has an enlarged firing pin hole- primers are still rounded on their edges....there's nothing you can do about the bolt outside of sending it back to T/C, explaining your findings. Personally, I'd go for primer flattening, looking for ejector markings, then back off one grain as my absolute max. Good Subject Upload-

[@earlunderwoodjr.6766]

I’ve loaded 6.5 Creedmoor with Hornady 143 gr. ELD-X bullets. My best load is 42 grains of Winchester StaBall 6.5 powder. Using Peterson brass, and CCI large rifle primers. IMR 4350, H 4350, and 6.5 StaBall powders are very similar. But 6.5 StaBall is ball powder, and loads easier.

[@JH-nf4xd]

I know I'm not the only one who said "Dang it!" at 13:58. LOL

[@Jaxd9795]

thats like always my reaction while watching people shooting really good groups then a flyer comes in and ruins it

[@petejackson922]

Excellent video series-I learned a lot from you 6.5 series.

[@loganfurst3010]

I really like all of your videos super informative and you take alot tof time to make these videos thank you I think factory load data goes off of consistent accuracy and reasonable velocity

[@boggstucson5415]

So, I’m eagerly watching these for guidance on 6.5CM loads for my new TC Compass. I picked up a box of factory Hornady Match tipped with 140 grain ELD - Match. They have an OAL of 2.810 inches. That is in contrast to their own current tenth edition reloading manual which specifies an OAL of 2.800! If Hornady is seating their “Match” grade factory loads .010 longer, it may be something for you to try in this series!

[@garrytalley8009]

Seeing you are pretty slow you might be able to comprehend by now what little bit of difference you found in measuring their shelf bullets to their manual was so minimal you are insane. They do not measure each and every bullet. You think 100th of an inch is something? If you were to measure the bullets you would find more error in the bullet itself length than that. OAL's are not on the money with any bullet. Measure all the bullets in any box of ammo and they will never all be the same. 100th of an inch in OAL means nothing. Measurement to the ogive is more important than that and they aren't perfect either.

[@VitoBb1978]

JRB the max pressure load for H 4350 could be of (1) test barrel length (2) different OAL (3) different lot numbers of the powder, one lot could be Slower or one lot could be faster. (4) Different brands of primers used. There are A LOT VARIBLES.

[@wesjwaandrews7524]

Well Johnny another excellent video and subject matter. Getting to the point today I bought and shot my first blackpowder revolver and am loving it I shot it in the dark at about 8:30 into a birm in the back yard (just couldn't wait for tomorrow) and I'm thinking once I figure out a charge and we're it's hitting I might be able to shoot a deer with it. But that's what's going on with me thanks for the video.

[@guns4funfreedomkeeper999]

Great quality in these videos. Very informational and very helpful.

[@davidpeterson6147]

another way to check over-pressure is by attempting to re-chamber the spent brass after it is fired.

[@JasonTate86]

Way before that you will see primer signs.

[@joekirk167]

My TC 6.5 is absolutely awesome . 42 grains IMR 4350/143 ELD-X. .5 MOA at 100 yds. shootin off bipod. No Contraptions

[@sf2189]

I know this video is a bit old but one thing to consider is temperature variations. I’m developing a load with 140g Berger LRBTs and N555 - not a ton of data so I’m also using Quickload. What I noticed is that the final charge on my test at 43.4 grains (matching the Vihtavouri max data for 140g projectile) seemed to be at 54k PSI in a simulation with my barrel length and seating depth. The base simulation is at 70 degrees. If I change the temps to 110 degrees - it does get that hot every so often where I shoot, the pressure gets to a near maximum - at 44 grains, I’m hitting above and at dangerous levels. Also with a 10% variation in powder burn rate - you are also approaching dangerous levels. So I could probably go a little higher but if the speed is good, the accuracy is good, why risk it while also shortening barrel life.

[@maxcontax]

I am using this combination with my 260 Remington and it is hot and accurate: 2810 fps MV chrono'd. Good stuff!

[@CplSkiUSMC]

I know this is an old video, but I got a Savage Axis II Precision in .223 Rem that right out of the box, (had a huge pit in the bore, but that's a different story) was popping primers with middle of the road loads. I did a temp fix by switching to CCI 41 primers, but that shouldn't be anywhere near necessary with a bolt action. I ended up with a better fix by replacing the firing pin springs. I can use standard primers now with high end loads.

[@CustomJeep]

Love your channel. Always watching.

[@jkchan83]

For the "hotter" loads, have you tried using a longer drop tube for the powder funnel? I saw you using the Hornady pink funnel directly on the case mouth. I have found (and seen videos, like moparmadman's) that show a significant increase in case capacity when using a long drop tube. In turn, that might reduce the crunchiness of those loaded rounds and lower your SD's. My belief is that the compression is inconsistent from round to round, which causes changes in the powder density and burn rate, thereby altering the velocity shot to shot. Also, have you looked at loading longer than 2.800"? My pet load is 2.840" COAL, 42.5gn H4350, CCI 200, 140gn ELD-M. Velocities are around 2775fps out of a 24" barrel with a suppressor. I powder charge by hand using a Dillon manual powder die (because I already had their 6.5 funnel) which I think is enough of a drop tube to settle the powder. No crunchiness at all and single-digit SD's. What do you think?

[@robertshinenne1584]

Thanks for the video again, and Merry Christmas to you and your Family~!

[@tobiastackitt2399]

Here's a load I've worked up for my 6.5 creedmoor that shoots perfectly in my ruger using WLR ptimers and 39.5 grains of IMR 4166 under both the 143 gr ELDX bullet and 95 gr v-max with no pressure signs on the case's and I'm only having to use a neck sizing die

[@J9_j3]

it might be the time for suppressor cover

[@guardianminifarm8005]

Thank you sir. Appreciate the teaching & data

[@Jeff_Seely]

Hey Johnny! I am new to your channel and also a beginner in the world of rifle reloading for accuracy (things hoped and wished for). This video has brought on a question in my mind: how do companies like Nosler and Sierra come up with pressure numbers? Are they calculations or are they measured, real world? If the latter, then how is it measured? I love your channel brother. Keep em coming!

[@perchowski3021]

42.3gr. H4350 using Norma brass and my 22in. Barrel ar10 gas gun I'm @ ~2725fps but see ejector swipes on my brass. 42.5gr. Got me up to almost 2800fps (shooting 140gr barnes match burners) but was raising burrs from ejector and blew out a primer on one of my brass that had a few firings on it, so backed it down to 42.3gr and seems to be a great load!

[@perchowski3021]

Update:. So started crimping and backed off the lands a bit more. Also added more buffer weight because bolt was unlocking prematurely. Up to 2800fps @ 42.3gr.

[@TheCFN007]

Merry Christmas & Happy New Year, Keep up the Hard work :) Cheers

[@aaronobrien2004]

I don't know if I'm noticing a pattern with this rifle or if it's just that I want to see it shoot better. Most of the "best" groups you shoot seem fire the first two to three shots within a half MOA. Then, the last two to three shots seem to walk off. I'm wondering if this is a bedding/heat issue. You could try taking your best load, shoot a three shot group, let the gun cool for 10 minutes, and then shoot another 3 shot group at the same spot. Of course, this could just be my curious nature playing tricks on me. Good luck and keep the videos coming!

[@garrytalley8009]

H4350 will not really get to the point of damaging anything with this cartridge and many others. The only limits one has with this powder is case capacity with this cartridge. Unless you have a compressed load and are pushing the bullet into the lands there shouldn't be a problem with pressure with a bolt gun. Only on over bore cartridges can one really worry about pressure with H4350. This 6.5 CM cartridge was designed with a large rifle primer. The small ones were used primarily to give the primer pocket more life span in the case or improve accuracy with the primer being less of the total charge. Personally I prefer the large primer pockets and regular primers. Using a magnum primer with the small primer pockets was most likely a good idea. Ignition isn't all that good with regular small primers.

[@jeffcraft4440]

I run 6.5 creedmoor 140gr nosler custom competition H-4350 43.5gr. 2845fps, SD 3.2 I think it was sub.5 moa with no pressure signs. Witch worry's me a bit. I'm running star line small primer Brass.

[@hcl3074]

Hi, I just recently bought a Ruger American Predator chambered in 6.5 CM, 8 twist 22 inch barrel. Its obviously a caliber thats "all the rage" at the moment and the powders that I want to play with are harder to find than Escobars millions. Mainly H4350 (weird huh?) Ive been reserching H100V a little bit, and was wondering what your thoughts are on that powder or if you've used it. Im gonna be shooting Hornady 140 ELD Match bullets. Any feedback would be much apreciated. Awesome channel by the way. I subscribed after the first video I watched.

[@luckycolt]

OCwyoProud 307 I have the same gun and use both powders and the 140 ELD Match. Now I'm not saying you should try my loads, develop your own. I have gone all the way up to 42 grains of 100V COAL at 2.800 and VEL of 2760fps with a .75 MOA @100 yards with a 5 shot group. My best groups were 41.2 and 41.4 both around .6 MOA. My next test will be 41.3 and play with the COAL. H4350 shoots about the same but a little slower and much more expensive. Oh one other thing the 100V is so much easier to work with.

[@walterpalmer2749]

Extend your OAL (2.80) to within 30/1000 off the lands (approx.) or what's best for your gun, and your MOA's will decrease. Accuracy increases AND your powder capacity increases as well.

[@derekkt49]

Walter Palmer agreed. I’m curious to why he doesn’t do this

[@Loojmemhav]

Is the 0.030 off the lands with 143 ELD X or which bullet was it? I want to try this out myself. I did a ladder test with 140 ELD Match starting from 41.3 grn all the way to 43.7 grain at 0.2 grn increment and 0.010 off lands and all 15 rounds punched a quarter size hole at 100 yards. Now I want to play with seating. Thanks.

[@CascadingDream]

Your lower pressure node is between 40.3gr and 40.6gr and your upper pressure node is between 41.6gr and 41.9gr. It is indicated by the extremely low SD and minimal change in velocity. Can you shoot some loads in .1gr increments and adjust seating depth? I wonder if the functional accuracy of that barrel is .8MOA as you've seen or possibly better with some COAL and charge weight tweeks?

[@austintyler7991]

J3VVZ I wonder if one of those rubber barrel things would take a lot of the barrel whip down on skinny barrel & tighten groups to maybe .4 "

[@neilharris4462]

Looking back at a precious video where you showed your bolt face, it looks to me like there may be a slight radius around the opening for the firing pin which may answer for where your primers are flowing into. It may have just been the lighting but perhaps worth checking into.

[@kirkharrison6139]

I know you’re more focused on brass results but wouldn’t hanging a chronograph on the barrel affect the accuracy?

[@tylerford88]

I've been trying to figure out if magnetospeed has any effect on my barrel harmonics for the entire five or so months I've had it. At this point I've settled on the conclusion that if it's making a difference, its less than .1 mil at 1000 yds and I can't adjust for it anyway.

[@Thatblacksilverado31]

Best advice I have ever gotten for shooting groups is to stay mounted to the gun and don’t come off

[@Thorsaxe777]

I wonder how many TC Compass rifles you have sold. It's a dandy rifle for around $200.

[@josephmelcher8854]

I bought one based off of these videos

[@Hadol08]

I shoot 42.0gr H4350. Avg velocity is 2776 FPS. Shoots .18MOA out of my my Tikka T3x Varmint 6.5 Creedmoor. 40.6gr to 41.7 grains with .3 grain increments yielded .45 - .61 MOA. Going over my 42.0 .18 MOA to 42.3gr opened my groups up to .90MOA. I stopped there because she was getting toasty on the brass at 42.3gr. Regards.

[@chris_williams_ky]

Great video man! Thanks! Merry Christmas!

[@bvhnightmare]

interesting to listen to how the sound of the gun changes with each charge of powder

[@geneitzkowitz4710]

Great video!!!! I’m starting my road to developing a hunting load for my AR with the 229 Accubond LR. I really think this video on what to look for on pressure signs will definitely help.

[@morgangassman5375]

Entirely reasonable if you are shooting beyond 1000 yards (to push safety to the limit) but what chance personally will you get to actually shoot that?. Many of us need ammo for hunting on the east coast , at distances sometimes not greater than 200 yards. All I'm saying is evaluate what you are going to build your ammo for, what accuracy/ bullet/ usage ? If we don't determine what we are seeking in our reloading, we will never know if we "get there".

[@brushymountainbushcraft1031]

I think it's barrel heat.I have the Ruger American and it is not a medium barrel. I think, but not that the barrels are comparable. I start losing group size after two rounds. I am impressed with your three shot groups with that barrel. I know the medium barrels will hold group size to three rounds and start losing at 4 rounds. Just a thought and thanks!

[@jeffyoung2089]

Awesome video Johnny really enjoyed it. I think I'm gonna order some of this brass for my buddy to try in his creedmoor.

[@MorrisCA3]

jeff young ii

[@gsh341]

I was looking at this video since I'm looking to load a reduced recoil load for my Kimber Hunter (only 5.5 lbs without scope) for my daughter (she's only 85 lbs) to use deer hunting. My thought was using a Hornady 123gr SST or something similar with a minimum load. I use Varget for my 308 Win, but I was wondering if you could do a few tests using H4350, Varget and BLC-2. I understand most guys are looking for maximum velocities and don't mind a bit more recoil for that performance, but some of us are looking for forgiving, low-recoil rounds for children and significant others. What do you think? Sound like a good idea for a video?

[@jeffreyvictor3678]

Another great video! Can you revise or add a section on how the 6.5 CM compares with H4350 vs Varget powders. I believe that Varget may be a viable option when H4350 isn't available!!!

[@preacherbiggin]

Anybody else setting back watching "reruns" of 6.5 creedmoor videos waiting on the hurricane? #starvingfornewcreedvids!

[@brushymountainbushcraft1031]

Sorry typo, I think the barrels are comparable between the Ruger American and TC Compass.

[@tomhysell596]

That max load is so when you shoot in 20* weather and then in 95* weather and altitude changes don't cause pressures to climb high. I hunt at 8000+ feet elev. and I went to South Dakota and hunted and at 750 foot elev. the chamber pressure was way to high, like blown primers and stuck bolt handle.

[@MrT13]

I worry about sd first. Don’t even shoot at paper just in the dirt. Sd looks good start seating. That 3.4 sd would’ve been my stop to start looking around that charge and move slow up till it started to deviate more. Then .02 back and in .003 groups of 3 till tightest .01 seating range pick the middle and gtg. My gun shoots the 143 at 2740 42.3 of h4350 sat .036 back at around 2.824. .2-.3 all day 22” mossberg mvp lr. Bedded lug only. With can. Not 200$ but not 1000$ either. Still shoots under 3” at 500 on a decent day. Glad to see what it can handle though 👍🏻👍🏻👍🏻

[@rodneyhutchison99]

Enjoyed the video, excellent job.

[@OTG414]

Don’t focus on primer signs (with the exception of popped primers). Stop when you see ejector marks.

[@blacksand9805]

Excessive crattering can come from too high pressure, from the firing pin's shape, or from the cup hardness. For example CCI primer cups are much thicker than Federals. Anyway, hot load or not, if there is an excessive craterring there's a risk of primer piercing so it isn't a safe situation. I agree for the ejector mark, it is an excessive pressure sign (the brass case isn't strong enough to handle the pressure without damage)

[@benjaminnevins5211]

Good video, I was wondering how a chamber that is not as a tight as my defiance would be with a hot load. My concern is also with something like RL17 which isn't supposed to be as "temperature stable" if I happen to get a hot day out here. I'm also wondering if the smaller primers require a smaller firing pin. I think I might need to make another call out to defiance to get another bolt.

[@Loojmemhav]

I did 43.7 grain with H4350 and 140 ELD Match, CCI primer. I did see a little bit of ejector mark but primer was solid.

[@marcrobert2603]

I used 147ELD-M in my tika tx3-a1. I tried 40,41,42grn Hunter, brandnew lr starline brass,s&b primers at samii length. 10 pieces each. The 41 shot 2 groups from 0,1" with the first (ever) loaded and shot.(after the 20 shots barrel break in) sites.google.com/view/reload-cheap-subsonic/homepage

[@travisrains3659]

Great videos. Merry Christmas.🎄🎁

[@rkwjunior2298]

The harmonics are affected by the Magnetospeed. Im guessing That's why they spread out after 3 shots

[@chrisp2096]

In the case you have to pull bullets - do you "reuse" the powder? also when you crushed it a little bit in compressed loads?

[@MrBoo1963]

I use this powder just for my 7mm-08. My top is 40.0 load with this powder. I for one do not like hot rounds. They become dangerous fast.

[@FullSendPrecision]

I've had nothing but good luck with IMR 4451 (Which is damn close to h4350) in my 6.5 Streedcred. Trying out another enduron powder in my 308 today (4166)

[@millerslaw]

I ran out of H4350 and had to buy a new lot # - the old lot got 2713fps with 40gr and the new lot gets only 2575fps with the same 40gr charge. I didn't expect such a huge difference between lots - had to bump it up to 41.6 to get 2710fps but with good results and single digit StdDev. (Using a 24" barrel) Anyone else get such drastic fps results between H4350 lot #'s?

[@garrytalley8009]

It happens. Best to buy in volume so that you can duplicate loads without having to redo them. If you establish, you have a good powder buy 8-pound kegs. Been there done that. I always buy in volume on proven powder. For rifle especially. Not so important with pistol powder that you only need small charges for unless you shoot a lot of large pistol or magnum pistol cartridges.

[@Aldocello1]

Good vid ... Im running IMR 4350 Hornady 168g bthp , and I ran a similar test , I found a mid node in the 41.3 area , 2820 avg , just moved up to max load(42) and found a high node at 42.6 area, i had I think 2 shells of 20 with just a smidge of ejector mark(could have been the primers) but other than that no signs of pressure prob at all ,forgot my chronograph but im guessing somewhere in the mid to high 2900's. Ill find out this weekend

[@johniebegoodvd811]

Johnny is with out a doubt helping others stay out of the over pressure danger and getting hurt thank you! would it be posable to have a secondary paper target and third behind the first? reason being is at different distance the bullet is trying to break the sound barrier and, will like an aircraft wing wobble giving you a different MOA and I'm interested in the massive 6.5 Creedmoor testing you have done and at what distance with what load it goes south? sorta speaking. The engineering of all is so interesting. I suggest your normal 100 yards data all ready known. 125 yards, 150, 200, what ever is possible. Might need to modify in 5 yard increments? forward or back for best results. Faster loads might be closer in breaking sound barrier or farther out depending on bullet weight. I just thought it might be fun to know as no one else does this. Thank You for a great Experience!

[@linescum444]

Curious if you can tell me the thompson center full jam measurement(coal) 140eld match. My ruger hunter american is 2.870 and my buddies savage 110 is 2.815 ,just curious what the compass is shorter or longer chamber????

[@robleo69]

What are you seating OFF the lands or, do you even know ? I never measure COL like you, I use a comparator off the Ogive.

[@neilharris4462]

First Last He is seating them to book OAL just to get a baseline.

[@marcrobert2603]

Thanks for info,but i don't. I use col. Because i didn't found .264" in my hornady standard-kit. LOL

[@charlestucker5903]

Great vid. Have you thought about doing the same loads with brass with a large primer pocket to see if the primer pocket would make any difference?

[@wolf3474]

I would like to see some loads for 6.5 , and 308 win with H414 vs varget to see what the difference between the two are .

[@MrBoo1963]

One thing I have seen at the range is swollen casing from both 5.56 & 6.5 Creed. Don't know who shot those, but they are playing with an alligator.

[@worksonjunk]

You should try to get a Meopta sponsorship or look at some of their glass. I think you would appreciate a better scope at the point in the game.

[@9mm1968]

Great videos. Thank you. Question, why don't you use a match grade barrel and gun set up and remove the barrel attached chrony to reduce harmonics?

[@RonzRocketz]

In the Precision Calculator, I include the Mean Radius in addition to the Extreme Spread measurement because it tells me how concentrated the groups are, sorta like the SD does for velocities. If the MR is less than half the ES, then this shows me it's more concentrated in the center. This can be useful when comparing two groups that are similar.

[@danielselthon5674]

with the 6.5 why use small primers i use large mag

[@1991kirby]

Better velocities

[@jimolyer1265]

I had a similar primer issue looking into this I found a variance of about a one thousands of an inch Between CCI LR Winchester WLR and Federal LR