02-20-2020, 03:53 PM
If you look at your primers, they are textbook.
Sharp surfaces on a mass-produced bolt face and extractor will do this to brass as the norm.
If you are a brass-conscious reloader who wants brass coming out of a gas gun with minimal damage, you need to tune the bolt and extractor so that the sharp surfaces no longer scrape it during firing.
Sharp surfaces on a mass-produced bolt face and extractor will do this to brass as the norm.
If you are a brass-conscious reloader who wants brass coming out of a gas gun with minimal damage, you need to tune the bolt and extractor so that the sharp surfaces no longer scrape it during firing.
NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
