ProMag for Glock Model 17/19 9mm, 50 Round Drum Magazine – Black

This drum magazine from ProMag features the same patented follower system as the ProMag 5.56mm AR-15 drums for ultra-reliable feeding! Over molded heat-treated carbon steel magazine upper housing combined with an impact resistant polymer drum housing and stainless-steel magazine spring makes this product perfect for rugged use. It has been heavily field tested by ProMag’s USPSA shooting team for use in Pistol caliber carbine competition this drum magazine sets a new standard for 9mm firepower and reliability.