I never used a crimp on my bolt guns in 300 mag, but I could see where the bolt cycling on a bar could cause the bullet to move, not like but possible. I don’t see where a light crimp would cause an issue as long as you are not maxed out on powder. I crimp 30-30s because they will move on you in the magazine without any issues.


If I agreed with you, we'd both be wrong.

Bluetick serpentines around green fields and rock spit a lease