10-07-2015, 01:26 AM
Depending on the extension and the extension tunnel on the upper, they can be wobbly or too tight, to the point that you need to heat the upper and freeze the barrel to get a thermo-fit, which when I find that combo, I'm happiest.
Otherwise, it's bedding time for the extension and upper.
Otherwise, it's bedding time for the extension and upper.
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