Facet mounted method with the built-in MILSTD 1913 rail piece for sighting devices. Suitable for use Together with the M203. But don’t ignore, Aero also has the lessen, LPK, and stock in one entire lower in case you’d like that technique of making! Posted by Brett H on twenty third https://jeffreykanvi.blogdosaga.com/29438821/kac-rail-for-dummies