THE 2-MINUTE RULE FOR SPRINGFIELD ARMORY M1A SOCOM16

I second what WingedMelon explained. I have numerous Holosun optics, including this one, and have not experienced a difficulty with any of these. I am truly selling my Trijicon RMR to obtain One more just one. The 507 is on par, if not far better, than my DPP.Comfortably and conveniently carry your multitool, flashlight and pen with Versacarry’