▼ 9% below avg
ProMag Drum Magazine for Sig Sauer P320 9mm 50-Round Polymer Black
Lowest Price
$71.6
MSRP
$114.99
Savings
38% off
Verified In Stock at
12 Stores
Updated
Aug 26, 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
