Facet mounted program with an built-in MILSTD 1913 rail piece for sighting programs. Suitable for use with the M203. But don’t forget about, Aero also has the reduced, LPK, and stock in one finish lower should you’d like that way of building! It allows you to relaxation the gun high https://elliottuhrai.activablog.com/29033993/the-best-side-of-kac-m4-ras