▼ 7% below avg
ProMag Drum Magazine for Sig Sauer P320 9mm 50-Round Polymer Black
Lowest Listed Price
$74.99
MSRP
$114.99
Savings
35% off
Retailers Reporting In Stock
2 Stores
Updated
Sep 8, 2026
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Drum housing constructed of a proprietary DuPont Zytel based polymer
Injection molded magazine follower
Made in USA
Magazine spring formed from heat treated stainless steel
Magazine upper tower has full length steel internal insert stamped and welded like the factory magazine
Description
The ProMag Magazine for the Sig Sauer P320 9mm pistol features a magazine body constructed from a proprietary DuPont Zytel based polymer. The follower is injection molded and the magazine spring formed from heat treated stainless steel wire. FeaturesMagazine body constructed of a proprietary DuPont Zytel based polymerInjection molded magazine followerMagazine spring formed from heat treated stainless steel50 round drum magazineBlue steel upper magazine tower
