Vortex StrikeFire Red/Green Dot Scope

VORTEX STRIKEFIRE RED DOT SCOPE When the situation demands fast shooting...and a big scope with a narrow field of view won't cut it, the StrikeFire red dot riflescope lets you shoot quickly with both eyes open! With unlimited field of view and eye relief—nothing gets you on target faster than this tough, shockproof and waterproof red dot scope. - Shockproof with rugged one-piece 30mm aluminum alloy tube. - High recoil caliber rating—tested with .375 H&H Magnum for 1000 rounds. - Included extra-high 30mm ring puts scope's bore center 40mm above the base height (lower 1/3 co-witness). Commonly used for mounting with a Flat Top AR15, providing lower 1/3 co-witness with iron sights.