Choosing Bushing & Expander Sizes

[@oni006]

This is the video I have been looking for. Thank You.

[@primalrights]

You're welcome.

[@jetman1035]

Thankyou for continuing to help me sift through all of the chaff out there.Great and USEABLE information.

[@primalrights]

You are very welcome

[@toddvandyke8737]

Excellent Video Greg! Breaking it down, with calculations, makes it very clear. Thank you for sharing this. Keep honoring God and witnessing. I appreciate your stand!

[@spazzo5726]

Many thanks for sharing your experience.

[@primalrights]

My pleasure!

[@conunpocodefe]

Great video! Thank you for taking the time to answer pertinent questions. I always read questions asked and read your answers. Many times reinforcing (or clarifying) what you spoke about in the video.

[@claverton]

Great vid, really great info ... I kinda instinctively guessed that I needed the bushing to be doing a bit of work for the mandrill to be effective, so nice to have this confirmed. But I'll be getting the callipers out and double checking my bushing and dies for my .222 and 260 Rem reloading since I changed brass recently.

[@seanschweitzer5935]

You make me homesick every time you show the prairie b-roll

[@primalrights]

It is beautiful out here.

[@juliogonzales9217]

Thank you. I think this explains the issues I've been having. Been trying to work brass as little as possible. Annealing every firing and turning necks just enough for consistency. I will try a smaller bushing and mandrel. Thanks again.

[@primalrights]

You're welcome.

[@traviscovey1602]

Im definitely gonna work with this information. Thank you!

[@jackbrownii]

Welp, I'm going to have to buy some more stuff. This is a very clear explanation. Time to test on my 6BR.

[@timothybrown5609]

Great video. You answered several of my questions. And bless you for the witness of our Lord and savior at the end.

[@judodavid1]

Thank you for the knowledge

[@ericmccowen5599]

Good video. Glad to see it quantified. Helps in breaking it down.

[@miltonlanton6693]

Thanks for the information, good video

[@sveinsoermo9883]

Again, outstanding! I know you have mentioned preparing new brass somewhere. Pls give me a hint, or can you please address this topic in a video? Thx in adv.

[@primalrights]

Not much too it, do as little work as possible, and shoot it. Can't trust the first firing anyway.

[@tommywinthrop3429]

As always great info!!!!!!

[@christopheresper6144]

So the real questions is……how much NECK TENSION do I run?!?! 😂.

[@primalrights]

200 universal mass units, depending on the alignment of the closest stars position relative to the nearest black hole.

[@kirkmartin2223]

​@@primalrightsI use 205 universal mass units. 205 is standard with creedmoor cases so it must be the best 😂😂😂

[@AlexMackensen-x7j]

Thank you for the thorough explainatiin and showing the math steps. With wanting to move the brass "a lot" during sizing, at this point, is there even a benefit to the more expensive FL Bushing sizing dies as opposed to standard Full Length sizing and selecting your own Expanding Mandrel for finished Inner Diameter?

[@blackraptorknives]

Very informative and helpful. Thank you! A question I have is I am using a Porter Precision mandrel expander and they have expander pins listed as follows for example. 30 cal could have a .305+ or .305- their website states PLUS tolerance pins have a manufacturing tolerance of +.0002/-.0000 and MINUS tolerance pins have a manufacturing tolerance of +.0000/-.0002. Would you choose the + or the -?

[@txdoodlebug]

Very good video as are all of yours. Thank you for sharing your knowledge. I have a watched a ton of them and have a CPS on order and am anxious to receive it. Just to make sure I am following this correctly and to simplify the math you recommend getting the mandrel 3 thousandths less than the bullet diameter and the bushing 6 thousandths less than the mandrel diameter plus both sides of brass thickness? So mandrel size = bullet diameter - 3 thousandths and bushing size = loaded diameter - 9 thousandths?

[@audiogod2929]

THANK YOU!

[@primalrights]

You're welcome!

[@audiogod2929]

@@primalrights i was not looking for God. I certainly didn't expect to find him on a loading channel. God bless you.

[@richardwills8017]

This is probably, one of the best reloading video’s ever made. Thank you so much!

[@primalrights]

You’re welcome!

[@whliving]

As I understand it, the SAC die has the bushing and mandrel in one unit? Is there any appreciable difference in constructing the neck in one operation and then opening the neck with a mandrel in a separate operation? I have a Redding S f/l bushing die, for which I use a bushing, but I use a 21st Cent. mandrel to set the ID. I don’t have a SAC die, or I would test myself - maybe for my next rifle.

[@ashiha13]

Greg, first I would like to thank you for giving this information to us for free. God bless you for that. I have a question: How do processes like those employed with the Lee collet neck sizer play into this concept? Is it not better to perform the external inward pressure onto the final dimensioned collet instead of splitting the two operations and going beyond the intended points to deal with springback? I don't know if there are other dies that use a similar method of neck sizing to compare, but it seems like it would work the brass less in theory. I don't have the resources to properly test it like you have. I would very much love your input on this. Thank you.

[@primalrights]

Complicated to answer correctly in a comment. Suffice it to say, I don’t use Lee collet dies.

[@charleslewis1229]

How do you use bushing ,and expander in one operation

[@wilhelmhaupt267]

What is your recommendation on neck thickness? I try to remove as little as possible material, but I want the bullet to fall in to a fired case. Am I removing too much material and creating excessive clearance that could hurt accuracy?

[@jrbullock]

on the sac website on their modular sizing die when you look at bushing sizes for 6.5cm with this calculation i would need .285" to have 6 thou, but on the dropdown menu for creedmoor bushing sizes it shows that .286" is for 6.5cm but then .285 is for 25cm. Does that matter? Is that just kinda a guide for ppl and that bushing would still work for me for 6.5cm? Im trying to buy the sac die during black friday deals and am not sure what bushing to get

[@primalrights]

@@jrbullock doesn’t matter. Pick the diameter you want

[@jrbullock]

​@primalrights so even though it says it's for 25cm will it still work for 6.5cm? Cause I want to get the right one

[@primalrights]

@@jrbullock Diameter is diameter... If the math checks out, it doesn't matter what it's called.

[@jrbullock]

​@primalrights got yah. Thank you. I just wasn't sure if the 25cm had a different shoulder angle or something different about its dimensions besides the neck diameter

[@Forumrida38621]

Dang 16 thou that is some thick brass

[@areynolds35]

I appreciate this video, but am trying to understand the math here. 223 average case neck thickness is .0115. I just measured several pieces of brass with different headstamps and am not too far off that cited average. If I follow your instructions and am using a .221 mandrel, I would have to use a .238 bushing to achieve the .005 interference you suggested (factoring .001 spring back). I can’t find anywhere that recommends using a bushing that small. Outside diameter of the fired brass I have is around .248, which means I would be sizing the neck down .01, which seems like a lot. I do anneal my brass, which will help, but have I misunderstood your instructions and does that seem like too small of a bushing for 223 Remington?

[@primalrights]

No, your numbers check out... a .238 bushing is right on. Why do you think it seems like a lot? Is it because you've tried it, and more, and found that it didn't deliver results? Or is it instead because all you've ever read/heard is way less than that? Is it really such a shock that you've been lied to your whole life? Is this really the only thing that you've experienced that with? Open up your caliper to .010" and look at that space. Does it seem like a lot? Now grab a piece of your .223rem brass, take .24cal expander, lube it up, and ram it in the .223 mouth. After that, take a .26cal expander and do the same thing. Then a .28cal and a .30cal. Then repeat that test with annealing between each step. You don't need me to convince you. You need to learn what these materials are actually capable of when properly cared for and stop thinking inside the boundaries other people create for you.

[@areynolds35]

@@primalrights all fair comments. Just haven’t seen and certainly haven’t tested, so your response is fair. I have reviewed a lot of data that don’t follow your prescribed formula with great sub 1/2 MOA results, which is the goal for me, but I am always opened to new enlightenment and will put your formula to the test. Someone else in the comments asked this question and I didn’t see a response. Does this formula change at all if I FLS with a bushing die and mandrel expand in two separate steps?

[@tonydevich7937]

Thanks to you...I need more god

[@joelclark2130]

Start with the WORD OF GOD. I recommend the amplified Bible ❤. Read read read!!!.AND PRAY ABOUT every need you have 😊😊😊

[@tonydevich7937]

Hello my brothren

[@gatrophyhunter]

Hi Greg. I’m currently using the SAC Modular Sizing die with bushing and expander mandrel on my Area 419 for my 300 PRC LAPUA Brass, the info I have is: Caliber 300 PRC (Bullet diameter 0.308”) Loaded round neck diameter: 0.338" Wall thickness: 0.015” I’m using a .333 bushing and a .3055 mandrel to end up with a 0.003 neck tension for hunting ammo reloading magazine feed. Is this correct? What do you suggest? Thank you

[@dalehatcher450]

Greg, Fantastic info like usual. I like many others need MORE neck interference. Can you please share what expander brand you are using? I am assuming that it is an internal in your sizing die? I switched to K+M expanders a few years ago and would like more info on what you use? Maybe you can can do a video on it? Thank you sir.

[@primalrights]

I use SAC dies with integral expanding decappers

[@peaceriver7808]

Along with the instructional content of each video you produce, I really appreciate the admonitions to get to know our Lord and Savior, Jesus Christ.

[@Le10White]

Except they don't have any expander mandrells and won't have any for a year!

[@dennispeltier6142]

😊😊😊😊😊

[@fomerbu]

Consistent neck tension is more important than size. Need a better way to measure the dimension between the ojive and shoulder. Everything else is just here say.