26.5mm

6.5 Creedmore, 5.7x28, 40 S&W, 223 / 5.56, 22LR, 300 Blackout, 308 / 7.62x51, 45ACP, 7.62x39, 9MM, 12 Gauge, 20 Gauge, 26.5mm, 37mm, Rifle, Pistol, Rimfire, Pistol, Rifle, Rimfire, Mounts and Accessories, Surefire, Modlite, Accessories, L3 / Eotech, Steiner, Nightvision, Binos / Goggles, Monoculars (PVS-14, VYPER-14), Mounts and Accessories, Parts and Accessories, Apparel