Tech Tip: Crowning and Chamfering a Muzzle

  Рет қаралды 957,837

Brownells, Inc.

Brownells, Inc.

Күн бұрын

Пікірлер: 141
@dougr5379
@dougr5379 10 ай бұрын
I have a 1980s AR-15 from an extremely well known Connecticut manufacturer that I was going to use a suppressor on. After removing the flash hider, I was utterly flabbergasted to see the muzzle crowned off center from the bore axis. I had always been perplexed that the rifle grouped poorly with all ammo types and as a result, it was my least favorite rifle to shoot. I ordered the Brownells 11 degree chamfer tools and some Tap Magic cutting fluid and re-crowned the muzzle. Point of impact shifted 4 MOA and groups shrunk to about 1 MOA with some ammo producing sub MOA. Now this is one of my favorite ARs with a factory carry handle. Thank you Brownells!
@SailfishSoundSystem
@SailfishSoundSystem 4 жыл бұрын
You guys have great videos. I've started to remember a lot of things my Grandfather told me as a kid about re-crowing barrels and other things. His brother owned a machine shop and used to modify a lot of firearms for hunters and the police. I was unaware that re-crowning was a process I could do myself. Thanks.
@ColdWarVet607
@ColdWarVet607 2 жыл бұрын
Wow, you guys knocked it out of the park with such a great tutorial. Why can't others do the same. Thanks a million.
@ScoutSniper3124
@ScoutSniper3124 3 жыл бұрын
Think of it this way... the LAST thing the bullet touches before leaving the rifle is the bore at the muzzle. An imperfection there (more than any other place in the barrel) affects accuracy. Even a microscopic flaw at the bore / muzzle causes the bullet to deflect off course. A good recessed crown by a proficient gunsmith is CRITICAL to a rifle's inherent accuracy. SSG. U.S. Army (Medically Retired) Infantry / Sniper / SOF Intel (SOT-A), multiple tours
@5thid738
@5thid738 7 ай бұрын
I noticed your user name is ScoutSniper3124, but you were Army? Scout Sniper is a Marine Corps designation only.
@Hamchuck112
@Hamchuck112 3 жыл бұрын
I thought he was joking when he pulled out the hack saw, but I guess the tool that inserts into the bore cleans everything up. Makes it look easy.
@calebdoner
@calebdoner 3 жыл бұрын
Never thought of doing this at home. Always figured I would need a gunsmith with a lathe.
@MaxMinXX
@MaxMinXX 5 жыл бұрын
Thank you! I have a M1 Garand to re-crown, since the Muzzle Grade is a 3 and with dings, it is all over the grid. I'll be getting this from you guys soon.
@iHooligan
@iHooligan 3 жыл бұрын
How did it turn out?
@juantovar4861
@juantovar4861 11 ай бұрын
I have been trying to buy crowning tools from Brownells and it is always out of stock. Anyway thanks for the video
@deeeeeeps
@deeeeeeps 5 ай бұрын
Brownells is such a good company. I try to buy from them as much as i can.
@adqak503
@adqak503 8 жыл бұрын
You make it look so easy. Appreciate the Tech Tips!
@Potatoesandlead
@Potatoesandlead 2 жыл бұрын
Shame brownells doesn’t sell these tools right now. I need a set
@craposnap
@craposnap 2 жыл бұрын
Seems like the target crown tool is in right now if you’re still looking
@yahuahyahusha364
@yahuahyahusha364 3 жыл бұрын
I have watched this video at least 20 times this week before I cut my barrel
@DJChrisArgueta
@DJChrisArgueta Жыл бұрын
How’d it go?
@yahuahyahusha364
@yahuahyahusha364 Жыл бұрын
@@DJChrisArgueta GREAT! My Arsenal SAM7 is more accurate than ever, shooting dime size group at a 100 yards. The muzzle and thread finally are concentric to the bore now so I can run my suppressor on it without fear of a baffle strike.
@gelugon2105
@gelugon2105 5 жыл бұрын
I would be a proponent of just a simple file-down (3:05). The outside contour of the barrel edge wouldn't affect projectile exit much anyway. Besides, I would not want to risk a screw-up of the inner chamfer/crown.
@CommanderOfChicken
@CommanderOfChicken 4 жыл бұрын
Where would you guys recommend hiding my dog while I perform this job?
@jakegarrett8109
@jakegarrett8109 4 жыл бұрын
Haha, yeah in a lot of places this is a felony, in others you have to ask permission half a year in advance and pay a $200 tax (and ask the government for permission way in advance every time you cross state lines) just to repair your old barrel. I’m sure our founders who executed their politicians for much less would pay that $200 on top of their tea tax right before blowing off some heads with their newly shortened sawed off musket. But you can’t even legally repair your barrel in many states so even paying the tax and putting your name on the dog execution list isn’t legal to comply with the game of tyranny.
@jaylawrence1479
@jaylawrence1479 2 жыл бұрын
In what states is it illegal to work on your own firearm?
@CommanderOfChicken
@CommanderOfChicken 2 жыл бұрын
@@jaylawrence1479 None if you're not a bitch
@tedundercarriage8183
@tedundercarriage8183 Жыл бұрын
​@@jaylawrence1479all of them very bad
@kurtlanford1448
@kurtlanford1448 3 ай бұрын
Thank you Steve for sharing your expertise !
@KalashKrusador
@KalashKrusador 2 жыл бұрын
All this stuff needs a restock ASAP!
@joewilliam9315
@joewilliam9315 5 жыл бұрын
Thanks. Are there advantages to either the 11 degree or 45 degree or is it just a cosmetic preference?
@scottbuckley6578
@scottbuckley6578 3 жыл бұрын
I just took a tremal with some fluid film and with to town on 2 of my rifles worked out great
@texaspatriot9159
@texaspatriot9159 2 жыл бұрын
Lapping compound A brass round head screw And a dremel tool
@ronwhittaker6317
@ronwhittaker6317 7 ай бұрын
drill press and some make shift tools you can turn some brass down . or just make a clay mold and poor it ,,, then polish it up in the drill. / be just as good as anything they put out, save some $ , there's junk brass all over this country its just knowing where to look for its .. out door plumming mostly/
@cheddarchip1013
@cheddarchip1013 3 жыл бұрын
so is the 11 degree cutter the same as the 79 degree cutter?
@Name-ps9fx
@Name-ps9fx 10 ай бұрын
Only caveat about cutting down a barrel....do not cut below 16"! Most 16" barrels are actually 16 1/4" just to be sure it doesn't get below that sinful 16"....
@MavHunter20XX
@MavHunter20XX 4 ай бұрын
Pin and weld time
@redneckzen
@redneckzen 2 жыл бұрын
I feel like I just grew some brain cells with this video. Thanks guys!
@witchywoman165
@witchywoman165 2 ай бұрын
I want do this to my m1 garand but i do not see the tools needed on Brownells for that. Where is the wrench and the crowning tool? Seems all the wrench handles are out of stock and it does not say what size is needed for the M1 garand.
@DjPorkchop73
@DjPorkchop73 7 жыл бұрын
Are there radius tools for an octagonal barrel or would this one work? I am building a muzzle loader and would love to chamfer the corners of the barrel. I like the chamfered look much better than the plain square all the way across look.
@ThePatriotParadox
@ThePatriotParadox 2 жыл бұрын
I just cut and crowned a barrel on my personal.22lr, my second year gunsmithing, I plan on cutting to 90 and putting threads on later, but my crown is good, I already reblued the barrel, but on one spot it's not quite perfect. As long as my crown is and it shoots straight would it be ok to leave a little spot a few degrees off....
@untrust2033
@untrust2033 2 жыл бұрын
That facing tool is genius!
@asterixdogmatix1073
@asterixdogmatix1073 9 жыл бұрын
Perfect, thanks for the informative video. Now to spend some money on your website!
@cptbirdwalker
@cptbirdwalker 9 жыл бұрын
That was great. I'd love to do this.
@nickreynolds1440
@nickreynolds1440 9 жыл бұрын
Love the variety of products brownells has..HATE how slow it is for them to get the order out to shipping.
@carolynpayne5733
@carolynpayne5733 8 жыл бұрын
Gosh....I always appreciated how very fast their orders arrived!
@4kdemoscene
@4kdemoscene 6 жыл бұрын
Yeah Smart Post, ahh pretty dumb, just my 2 bits. (Not worth much I knoq) But thier return policy is the best I've found.
@stihlsawrepairs7955
@stihlsawrepairs7955 2 жыл бұрын
I am amazed that the barrel steel is so soft! The hand chamfer and a hacksaw blade cut through it like butter. That’s amazing to me. I would think barrel steel would be somewhat hardened. I’ll have to admit, I do not look at my Browning BAR with as much respect as I did before. And where is the proof that Muzzle profiling is not just for aesthetic’s, anyway??
@five5105
@five5105 2 жыл бұрын
Barrel steel is most definitely hardened, it's just that the cutting tools are made from harder steel than the barrel. Barrels aren't super hard like the cutting tools because containing tens of thousands of pounds of pressure is not exactly safe with brittle steel lol. Using lubricants like cutting oil helps smooth things out a lot too.
@ThugShakerActualMcTactical
@ThugShakerActualMcTactical Жыл бұрын
The proof is in the pudding, do your own work lmao
@msw9671
@msw9671 6 жыл бұрын
Make sure to also never run cutting tools in reverse, it is the quickest way to dull the tool.
@jacobthune4095
@jacobthune4095 3 жыл бұрын
my dad made cutting tools and he never told me that one. Thanks!
@s.thompson9
@s.thompson9 5 жыл бұрын
The crown is not the entire face of the muzzle, the crown is the exact edge where the rifling ends at the face of the muzzle.
@theoriginalDirtybill
@theoriginalDirtybill 10 ай бұрын
how is a hacksaw and file a better option than using a proper lathe?
9 жыл бұрын
Most helpful videos and great to watch.
@keithlincoln1309
@keithlincoln1309 2 жыл бұрын
Absolutely love these videos
@milsurprifleguy7091
@milsurprifleguy7091 6 жыл бұрын
If you are going to recrown the barrel why cut it off ? By what I was seeing you could do that process on the barrel as is and thus have a new crown
@royrogers3624
@royrogers3624 6 жыл бұрын
david carter you must have had it muted he said "if damaged beyond repair" for instance if you buy a gun that someone managed to bend the barrel on or if the first few inches of rifling are ducked or counter bored (the glorious nosin nagant is in mind when I say that I bought one to sporterize and someone hit it with a hack saw and then threw a break on it and called it a day)
@craigadamkelly
@craigadamkelly 2 жыл бұрын
So what is the best angle for accuracy?
@ivobiancucci4528
@ivobiancucci4528 4 жыл бұрын
Why do I watch these videos a few days before pay day ?
@tredimetaverso3362
@tredimetaverso3362 2 жыл бұрын
Minute 1.37 the name of this tool? Thank you
@ronwhittaker6317
@ronwhittaker6317 7 ай бұрын
90 DEGREE CHAMFER CUTTER
@cleilsonsousa3597
@cleilsonsousa3597 10 ай бұрын
Boa noite, moro no Brasil e gostaria de saber onde posso comprar essa ferramenta? E qual o nome dela?
@pcp售
@pcp售 4 ай бұрын
我也想知道
@resolute123
@resolute123 Жыл бұрын
Is there a disadvantage of crowning? If it improves accuracy, why is it not featured in all firearms?
@ThugShakerActualMcTactical
@ThugShakerActualMcTactical Жыл бұрын
It is a feature on literally every gun, crowns are just cut differently based on preference. 11°, recessed target, hunter, etc
@garagegunguy5089
@garagegunguy5089 3 жыл бұрын
I bought a HBAR barrel from brownells a few years ago and it has never shot below 2”. I’m a manual machinist I have thought about throwing the barrel in the lathe and re-crowning the barrel. Is it possible it would improve accuracy in that type barrel or is that not much more than I should expect
@allandobbs7059
@allandobbs7059 2 жыл бұрын
Definitely would if done correctly.Look on YT for recrowning using a brass screw in a drill,(softer than the barrel steel) using some auto valve polishing paste .Simples.
@texaspatriot9159
@texaspatriot9159 2 жыл бұрын
@@allandobbs7059 That's how I recrown my barrels It's simple and cheap and very effective
@Bens7799
@Bens7799 5 жыл бұрын
available for airgun barrel cal .177 .22 .25 ?? thank you
@jeremiahdillard9201
@jeremiahdillard9201 4 жыл бұрын
He makes it look so easy!
@shaadydog1
@shaadydog1 5 жыл бұрын
What about a full 11 with a partial 45?
@adriannavarrocuetara5469
@adriannavarrocuetara5469 4 жыл бұрын
Hi!! I have the .17 model 45° , Can i use this chamfering with other pilot for example .22 cal??? Or need buy other chamfering tool? Thx!!
@Rusted_Link
@Rusted_Link 4 жыл бұрын
I did my SR22 on a lathe and the results were awesome. kzbin.info/www/bejne/h4u5payQlNqlY5I
@muffemod
@muffemod 4 жыл бұрын
2:31 inspect the cut for cheddar or Birds
@mmpiforall5913
@mmpiforall5913 3 жыл бұрын
also noticed power tools weren't even held square to the barrel!
@brianmetaphor
@brianmetaphor 3 жыл бұрын
@@mmpiforall5913 For what they were doing, it shouldn't matter as long as it is held steady. The brass polishing piece for the crown is radiused on the end so the angle isn't critical.
@HB-kp6rl
@HB-kp6rl 3 жыл бұрын
Might need a 90 degree crowing tool for mounting a suppressor to an ak
@kamikazej77
@kamikazej77 6 жыл бұрын
Is there a pilot available for 9mm ? I can’t seem to find one
@connerrounds9004
@connerrounds9004 7 жыл бұрын
Won't this damage the rifling?
@mikec8086
@mikec8086 6 жыл бұрын
Conner Rounds the steel might be the brass one won't.
@airgunsofalaska
@airgunsofalaska 11 ай бұрын
Great video!
@olibarahosasa1137
@olibarahosasa1137 2 ай бұрын
I love this guy
@ronalddavis
@ronalddavis 6 жыл бұрын
you can do the same thing with a lee handheld cartridge trimmer.
@smoakngun
@smoakngun 5 жыл бұрын
Can you please, PLEASE, tell me where I can get a vise like that?
@jamesCarter666
@jamesCarter666 4 жыл бұрын
Amazon has them, look up parrot vise.
@debluetailfly
@debluetailfly 3 жыл бұрын
Michael Lea and Daughter used to modify those vises. I am unable to find current information about these folks. They were in Columbus, OH. Good people! You might find a used one if you are really lucky, but most people are going to be unwilling to part with one. The modified version is much better than the unmodified. The original jaws were cut off and replaced with heavy angle iron with wood pads glued to them. I found one picture of the new jaws.
@Aussie038
@Aussie038 7 жыл бұрын
So what size pilot do you need for a 22 Magnum barrel?
@royrogers3624
@royrogers3624 6 жыл бұрын
Aussie038 well it's. .22 powder backing the round doesn't change the projectile diameter
@mmpiforall5913
@mmpiforall5913 3 жыл бұрын
Using a hack saw to cut off the end of a barrel?? Many barrels are already at minimum legal length, check out what's allowed in your state or you may be in legal jeopardy! Brownells needs to proof read the script!!
@tormauseth6022
@tormauseth6022 5 жыл бұрын
If you put somthing innsid the barrel and rotate it you got stripes across the lands.
@edstimator1
@edstimator1 3 жыл бұрын
good point!
@jjfoodandtravel4745
@jjfoodandtravel4745 2 жыл бұрын
How to make a barrel?
@chrisheglund7664
@chrisheglund7664 8 жыл бұрын
what degree chamfer would you recommend for a 380 auto ?
@brownells
@brownells 8 жыл бұрын
A 45 degree chamfer should be perfect! :)
@accessoiresyoussef664
@accessoiresyoussef664 6 жыл бұрын
On
@allens9573
@allens9573 3 жыл бұрын
How hard is it to take a 22 Long rifle revolver and turn the whole thing into 22 Magnum?
@jeffmcgrath8718
@jeffmcgrath8718 4 жыл бұрын
Great information thanks
@juantovar4861
@juantovar4861 2 жыл бұрын
Thank you for Your video.
@akibteguh953
@akibteguh953 4 жыл бұрын
I have someone to help buy
@x1pyroveride
@x1pyroveride 7 жыл бұрын
Very helpful, and very indeff also.
@jorgelima9349
@jorgelima9349 3 жыл бұрын
Como se fabricar um estrumento para fabricar araiamento em canos de rifle ou melhor um tutorial sobre este assunto de araiamento ok um abraço do amigo do brasil j LIMA
@pcp售
@pcp售 4 ай бұрын
这个工具的全称叫做什么?
@blueyddevil5
@blueyddevil5 7 жыл бұрын
Part numbers?
@josephharris5346
@josephharris5346 3 жыл бұрын
Brownells does not warranty their products sold thru Optics Planet
@AkangLukmanchanel
@AkangLukmanchanel 4 жыл бұрын
Thank you
@SamiUllah-od7xr
@SamiUllah-od7xr 6 жыл бұрын
My need good quality barrel Please send me your website
@bearly1727
@bearly1727 4 жыл бұрын
I just looked for one for my AK and they are Out of Stock.
@muffemod
@muffemod 4 жыл бұрын
CNC warrior might have some
@ivan868
@ivan868 2 жыл бұрын
Do you hear about the machine called LATHE?
@craposnap
@craposnap 2 жыл бұрын
Lathe: 500-1000 dollars, lots of learning Hand tools: 100 dollars, 3 minute video.
@tvincent1650
@tvincent1650 Жыл бұрын
wow - out of plumb with the drill both times... Informative though.
@joepeverelle6845
@joepeverelle6845 2 жыл бұрын
Never in-stock
@محمدمحمد-ن5د2س
@محمدمحمد-ن5د2س 7 жыл бұрын
Good
@robertosborne1753
@robertosborne1753 7 ай бұрын
How about some actual links to the tools? lol
@andreykyzn
@andreykyzn 7 жыл бұрын
Это какаето клиника. Не проще на сверлильном зенкеровать?
@TheRottenOneRepents
@TheRottenOneRepents 6 жыл бұрын
It's some kind of clinic. Is not it easier to drill a boring bit?
@varjagg
@varjagg 5 жыл бұрын
@@shakingmyhead7707 it's a smartass comment to effect that it's easier done on a drill press (which it isn't really)
@muffemod
@muffemod 2 жыл бұрын
out of stock yo
@tonglo85
@tonglo85 4 жыл бұрын
Thumbs up 4me
@akibteguh953
@akibteguh953 4 жыл бұрын
i want to buy a firearm
@stevenhodges3343
@stevenhodges3343 8 жыл бұрын
Please do not cut your muzzle this way. It will seriously ruin your barrel. This video is only meant to sell products. The only way to get a precise crown is turning on a large
@izaakb
@izaakb 8 жыл бұрын
I've done half a dozen like this (using the drill attachment). works beautifully.
@Nordic_Goon
@Nordic_Goon 8 жыл бұрын
Let me guess, you're a lathe salesman.
@mbh8280
@mbh8280 8 жыл бұрын
Maybe if you're making a barrel fresh from a steel rod, but this is perfectly suitable for the simple projects described here.
@TRICK-OR-TREAT236
@TRICK-OR-TREAT236 7 жыл бұрын
I THINK YOU MEAN LARGE SALESMAN !
@rumsin300
@rumsin300 7 жыл бұрын
Agree 100% ! Also why would anyone stick a steel pilot inside the muzzle and turn it? Total disaster! Depressing ideas!
@Kanoshe
@Kanoshe 5 жыл бұрын
no. hand tools are not the best way to get precise even cuts. your just wrong. the hacksaw and file bout the worst idea i can think of.
@joserolon7715
@joserolon7715 4 жыл бұрын
Ver todo
@kassilewis5511
@kassilewis5511 4 жыл бұрын
For a long range precision target rifle ...yes not the best idea. For a hunting rifle that needs repair to be able to hold at least 1 1/4 m.o.a. or better at 100 yards....this works just fine.
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