▼ 15% below avg
ProMag Drum Magazine for Glock 21, 30 45 ACP 40-Round Polymer Black
Lowest Listed Price
$70.31
MSRP
$124.99
Savings
44% off
Retailers Reporting In Stock
13 Stores
Updated
Sep 2, 2026
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40 - Round Capacity
Easy Loading
Heat-Treated Chrome Silicon Wire Spring
Manufactured & Assembled in the U.S.A.
Rugged Construction
Description
The ProMag Drum Magazine 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 steel40-round drum magazineFits the Glock Model 21 and 30 .45 ACP DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.
