For what its worth i use bertram brass in my 300wsm without issue. Most of it on its 5th firing now with pretty warm loads. Not saying brass isnt your problem just offering my experience with...
Type: Posts; User: 6.5 CRD
For what its worth i use bertram brass in my 300wsm without issue. Most of it on its 5th firing now with pretty warm loads. Not saying brass isnt your problem just offering my experience with...