▼ 18% below avg
ProMag Magazine Sig P320 9mm Luger 21-Round Steel Flat Dark Earth
Lowest Listed Price
$19.15
MSRP
$34.99
Savings
45% off
Retailers Reporting In Stock
9 Stores
Updated
Sep 8, 2026
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21-Round Magazine
Fits Sig Sauer P320 9MM Pistol
Flat Dark Earth Endplate
Injection Molded Magazine Follower
Made in the U.S.A.
Magazine Body Constructed of Heat Treated Steel with Black Oxide Finish
Magazine Spring Formed From Heat Treated Chrome Silicone Wire
Description
ProMag magazine for the Sig P320 is constructed of high carbon heat-treated steel and TIG-welded for strength. The springs are precision wound using heat-treated chrome silicon wire. Bases and followers are injection molded from polymers selected for their durability. The result is quality, consistency, durability and reliability.FeaturesFits Sig Sauer P320 9mm pistolMagazine body constructed of heat treated steel with black oxide finishInjection molded magazine followerMagazine spring formed from heat treated chrome silicone wire
