Beileshi 3-in-1 Useful 2.5-10x40 Tactical Rifle Scope Dual Illuminated Mil-dot with Red Laser w/ Rail Mount & 4 Reticle Green / Red Dot Sight 2.5-10x40 Tactical Rifle Scope with Red Laser Dual illuminated Mil-dot w/ Rail Mount This Scope Barrel Mount 1"/ 25mm & 30mm Ring Adapter w/ 20mm Weaver Picatinny Rail all functions. Tactical 4 Reticle Red/Green Dot Open Reflex Sight with Weaver-Picatinny Rail Mount for 11 mm Rails