Lucas Botkin CEO of T.Rex Arms runs some drills with  the Glock 19 MOS equipped with the Trijicon RMR sight.

Lucas Botkin runs a few drills with a stock Glock 19 MOS equipped with a Trijicon RM02 RMR. While testing a prototype mag carrier for T.REX ARMS, he’s also running the Safariland 6354DO holster. An active retention duty holster that fits handguns with optics.