Upper receiver/barrel alignment is critical for accuracy. Lapping the receiver ensures a perfectly square and true surface for the barrel to mate against, and produce optimal positioning of the barrel nut so ideal torque can be achieved along with proper gas tube hole alignment.
- Helps create a perfect fit
- Realize the true accuracy potential of your rifle
. Please Note – We just added this product to our catalog, so it may not show all attributes, description, or pictures. We’re working on cleaning it up!.