StrikeFire red dot scope

Vortex Optic's StrikeFire red dot scope comes with a choice of rings for either shotgun or AR mounting. This compact, waterproof and shockproof red dot is built on a rugged, nitrogen-purged 30 mm aluminum alloy tube with an extra-high recoil rating -- tested with .375 H&H Magnum for 1,000 rounds. The StrikeFire quickly switches between red and green dots, which are both adjustable for intensity. Parallax free and unlimited eye relief for quick target acquisition results in pin-point repeatable accuracy at all ranges. The lens are fully-multi-coated and protected with flip-up lens caps. It's battery life ranges from 2,000 hours (83 days) to 3,000 hours (125 days), depending on the power setting. Finish is a non-glare, black matte.