Promag Glock Style AR-15 Carbine Magazine 9MM Black Polymer Drum - 50/Rd

• 50-round drum magazine
• Fits 9mm AR-15 carbines using GLOCK type 9mm magazines
• 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
• Flush Fit drum magazine for use in Glock type magazine
• Made in U.S.A.

NOTE : Does not fit Glock Pistols for use in PCC / 9mm AR-15 using Glock type magazines only.