This guide details the installation of the RBU (Red dot Back Up) mount for Glock handguns, as demonstrated by Lenny Magill. The RBU offers an integrated iron sight solution that mounts via the rear sight dovetail, avoiding permanent slide modification. The process involves removing the factory rear sight and tapping the RBU into place, followed by mounting the red dot optic.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.
