Meprolight's Mepro GLS (Grenade Launcher Sight) solves historical accuracy issues with grenade launcher optics. It adjusts for elevation and corrects projectile spin drift with an integrated compensating system. Its long eye relief allows for target acquisition with both eyes open, enhancing accuracy. Operating without batteries, Meprolight Mepro GLS offers continuous use day or night, in any weather. Available with various mounting hardware for side or top rails, it's easy to use: simply place the reticle on target and shoot.