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22 Creedmoor Brass

nmkid

Gold $$ Contributor
Looking at having another 22CM built. Stupidly, when I sold my first 22CM my notes, brass, and dies went with it. Anyway, looking for suggestions for brass...Lapua, Alpha, Peterson. I still have bushings and mandrels so I could do 6mm brass. Thanks.
 
I use Alpha and Peterson Brass in mine
I also resized 6mm and 6.5 Creedmoor brass to make 22 Creedmoor cartridges
 
I've used Peterson brass before. This time I want to try Alpha...Just because. Now, if I can just find some. Put my name on the waitlist yesterday at several places. I want to get the brass and dies before I call Zack and let him know I'm ready to go again!
 
I've used Peterson brass before. This time I want to try Alpha...Just because. Now, if I can just find some. Put my name on the waitlist yesterday at several places. I want to get the brass and dies before I call Zack and let him know I'm ready to go again!
Blue Collar has Alpha SRP in stock if that helps $118
 
I fire formed 22-250 Lapua brass for mine. It also shot really good while forming, good enough that I formed a few during a long range steel match.
 
If I have multiple cartridges based on the same case I like having the correct headstamp, just helps to ensure mistakes aren’t made. BCR has both small and large primer available in Alpha, headstamp might not matter to you though.


 
The Lapua 22-250's have a neck diameter of .253 with a bullet seated. The reamer used for my 22 Creedmoor has the minimum SAMMI neck of .256 so it was a great fit for a no-turn deal.
How are you finding this brass in the 22creed? Any issues with it?
Are you getting any blow back of soot on your neck shoulder junction or shoulders?
 
Works great...zero issues. I lean on it pretty hard, too. ;) -Al
Are you annealing?
I am having issues with soot with my 22 creed and 22-250 both with lapua brass that are un-turned - I don’t anneal.

However the same chamber with turned brass is sealing up just fine - also not annealed
 
Are you annealing?
I am having issues with soot with my 22 creed and 22-250 both with lapua brass that are un-turned - I don’t anneal.

However the same chamber with turned brass is sealing up just fine - also not annealed
Haven't stress relieved the cases yet...they have been fired 5 times at this point. After f-forming, the f.l. bushing die is adjusted to push the shoulders back .002 (measured from a fired case with primer removed). Chamber neck is .256 and the necks measure .253 across the base of the bullet. Flash holes are equalized with a fairly aggressive chamfer around the inner flash hole. Powders are Rl15 and Benchmark.

If you're lobbing heavies with lighter charges of slower powders, neck sooting may be more of an issue. May not mean anything on target. Or it might.

Good shootin' :) -Al
 

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