Videos 3-Gun Sight Options for ARs with Barry Dueck Dueck Defense ‘RTS’ Rapid Transition Sight Dueck Defense RTS Sights for L.E./Military Applications Surefire’s Barry Dueck Shoots Stage 2 New NZ Army Marksman Rifle 2012 USPSA Multigun Nationals Rapid Latch Intro RAPID LATCH by Dueck Defense Barry Dueck Shooting 2012 Ironman Stage 8 Practically Tactical Review of Dueck Defense Red Dot Backup Sight Practically Tactical Installation of Dueck Defense Red Dot Backup Sight Base Barry Dueck at the 2016 USPSA Multi Gun Nationals, Stage 6 Barry Dueck at the 2016 USPSA Multi Gun Nationals, Stage 3