Promag Handgun Magazine for Glock 48/43X Black Polymer Drum 9mm

Features:

• 50-round drum magazine
• Fits the Glock Model 48 and 43X 9mm pistols
• Drum housing constructed of a proprietary DuPont Zytel based polymer
• Magazine upper tower has full length steel internal insert stamped and welded like the factory magazine
• Injection molded magazine follower
• Magazine spring formed from heat treated stainless steel
• Made in U.S.A.