The Barska 4x32 AR-15 / M-16 Sight by Barska is the perfect sight for instant and accurate targeting. Features long eye relief for quick target acquisition. The scope's mil-dot reticle and windage and elevation adjustments helps you stay on target with 1/2 MOA click value. 100% water proof, fog proof, shockproof and can withstand the recoil of advanced compact firearms. Includes picatinny/weaver base, M16/AR15 adapter mount and lens cloth. Backed by a One Year Limited Warranty.