PROMAG MAG GLOCK 30 45ACP 10RD BLK POLY

10-round magazine – Fits Glock Model 30 .45 ACP – Magazine body constructed of a proprietary DuPont Zytel based polymer – Magazine body has full length steel internal insert stamped and welded like the factory magazine – Injection molded magazine follower – Spring is made from heat treated chrome silicon wire – Made in USA