Build Box Bonus: Aero Precision Bolt Catch | Gun Talk Videos
This guide details the installation of an enhanced bolt catch on an Aero Precision M4E1 AR-15 lower receiver. It covers the removal of the old part, proper alignment of the new component with its spring and detent, and the secure installation of the screw using blue Loctite to prevent loosening. The process highlights specific features of the M4E1 lower, such as its drilled and tapped screw hole for the bolt catch.











