Cracked 243 necks

MHWASH

WKR
Joined
Aug 21, 2016
Messages
880
Location
S.E.WA
I’ve loaded for this 243 for several years, but haven’t shot it a lot. Last year I shot it quite a bit after having it threaded for my suppressor. I’ve always had trouble with split necks, but I just assumed it was old brass. Last year I bought some Win brass that was supposedly once fired. I believe this is true because it was in the factory ammo boxes. After shooting several rounds today, I noticed 2/3 of the brass has split necks. Could this be a rifle issue? Using RCBS dies.
 

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Ramem7mm

Lil-Rokslider
Joined
Oct 21, 2022
Messages
130
Has the brass ever been annealed? I have a 243 as well and Winchester brass with 2-3 firings and zero split necks. still seems odd to have that many split necks in such a small batch.
 

sniper20

FNG
Joined
Aug 8, 2024
Messages
25
Location
South Dakota
I have never been a fan of Winchester brass... I would highly recommend annealing the brass as soon as you get it. That should help. I have had factory loaded stuff come out with split necks before... so sometimes its just the luck of the draw.
 
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MHWASH

MHWASH

WKR
Joined
Aug 21, 2016
Messages
880
Location
S.E.WA
I bought a box of Federal 100gr ammo. Shot all 20 rounds with no issues. I then loaded up 5 pieces and shot them again. Still no issues. This weekend I’ll load those same 5 and shoot them again.
 
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