ProMag builds rugged and reliable aftermarket furniture and magazine products for a wide variety of weapons.This 50-round Glock drum mag is a lightweight solution that can nearly triple your magazine capacity in double-stack 9mm Glock pistols or pistol caliber carbines with Glock magazine compatibility.ProMag Glock G17/G19 9mm Drum MagazineFDE FinishFits the Glock 17 & 19 9mm50 Round CapacityMade in USAWith this drum magazine your Glock pistol will be able to provide the sustained fire for up to 50+1 rounds.Order your ProMag Glock 17/19 drum online today!Score big savings and fast shipping when you shop our large selection of 9mm ammo in bulk available online at Ammunition Depot.