Lapping an AR15 upper receiver ensures that the barrel is true to the upper receiver by providing a perfectly perpendicular surface for the barrel extension. This task is easily accomplished with a few simple tools and a handheld drill.
For this project, Brownells supplied us with the following:
Rifleshooter.com: VTAC L.U.S.A. Universal Sling Adapter Review VTAC has once again answered the call with a novel sling mount that works with most systems. The VTAC L.U.S.A. (100-004-331), attaches to a rifle’s rail system via […]