Guns More on the Trijicon MRO – Sentinel Concepts Recoil Staff August 19, 2015 Join the Conversation As we reported before, the Trijicon Miniature Rifle Optic is here and it looks good. In this video from Practically Tactical, Steve Fisher of Sentinel Concepts is on the range at the Alliance, OH Police Department discussing the new optic. Warning: it's a full 1:50 in before they actually begin talking about the MRO. Explore RECOILweb:Happy Earth DayNighthawk Custom - Korth Arms CollaborationSIG SAUER P320 Safety UpdateGun Review: Bergara Hunting Match Rifle (HMR)