ProMag Standard 50rd Drum 9mm Luger Fits Sig P365/P365XL Black DuPont Zytel Polymer DRMA32

50-round drum magazine - Fits Sig Sauer P365 9mm pistol - 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 USA