07-03-2017, 05:19 PM
biodsl Wrote:What media should be used?I just use lapping compound from Brownell's.
I also make sure to orient the upper receiver vertically so I'm not biasing the weight of the lapping tool in the upper and therefore creating an angle on the receiver face.
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
