RE: Cracked Necks?????
Can you tell me what cases, bullets, dies, loads, and rifle you are using?
CASE: Winchester
BULLET:Sierra SP, 87 gr.
DIES: RCBS
LOAD: 41.0 grs. IMR 4895
VEL: 3372 fps. (average)
RIFLE: Win. Model 70
What was the air temp?
Mid Eighties
Were the cartridges in the sun?
No, benches are under an overhang at the range.
Can you tell me how to prepare new cases because we screwed some up one time.
Checked OAL, ran cases through resize die, trimmed inside neck for bullet.
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Hope this helps, Dan. All my WSSM and WSM cases have been Winchester brand. I guess I willtry some other brands. I just thought they would be the best, nostly because I haave never had any problems in the past with this brand of cases.