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