12-16-2014, 11:01 PM
A clamp-on gas block is all you need in your situation, but a set screw works as well, when Red loc-tite is used. I have plenty of guns without the dimples, using set screw blocks.
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
