THE 5-SECOND TRICK FOR AUTO ORDNANCE-THOMPSON

I second what WingedMelon explained. I've several Holosun optics, like this a person, and haven't experienced an issue with any of these. I am basically selling my Trijicon RMR to have another a single. The 507 is on par, if not superior, than my DPP.Even though it could be extra expensive than other options over the market, its efficiency and dura