Ridge Runner
Well-Known Member
Kirby built my 7mm AM in 2006, I quickly found that the max load for it was 115 gr of WC872 behind a 160 accubond @3700 fps, I backed the load down to 3575 fps with 110 grs. so it was just a bit sooty to give me a buffer for mild weather during deer season.
I've loaded the cases 5 times, the rifle has never been less than exceptional. today for the first time in 450 rounds it pierced a primer, sending a spec of metal into a shooting buddy's cheek.
was this due to fatigued brass or over pressure? 2 weeks ago I had the first cracked neck so I'm thinking its the brass is just too overworked and needs to be discarded.
opinions please!
RR
I've loaded the cases 5 times, the rifle has never been less than exceptional. today for the first time in 450 rounds it pierced a primer, sending a spec of metal into a shooting buddy's cheek.
was this due to fatigued brass or over pressure? 2 weeks ago I had the first cracked neck so I'm thinking its the brass is just too overworked and needs to be discarded.
opinions please!
RR
