In Stock
ProMag Magazine for Sig P320 9mm 21-Round Steel Blue
Sold byMidwayUSA•Posted Apr 27, 2026
Compare prices for ProMag Magazine for Sig P320 9mm 21-Round Steel Blue$23.99
Price and stock data refresh continuously from MidwayUSA.
Deal Summary
- Currently in stock.
- Caliber: 9mm
- Category: parts
- UPC: 708279015038
- SKU: 774305
- Brand: Promag
Price History
Deal Details
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 fr
Other Offers for This Product
Active offers from your catalog for ProMag Magazine for Sig P320 9mm 21-Round Steel Blue.
Comparing 10 retailers carrying this product
Lowest Price: $18.67
Highest Price: $212.99
You Save: $194.32
Avg Discount: 13% off
PRO MAG SIG P320 9MM 21RD
PromagBattleHawk ArmorySKU/UPC: 708279015038
$18.67$31.99Save 42%
View at BattleHawk Armory
Pro Mag Industries Replacement Magazine 9mm 21-Rounds for Sig P320
Pro Mag IndustriesGrabAGunSKU/UPC: GAG_SIGA20
$19.99$31.99Save 38%
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ProMag SIGA20 Standard 21rd 9mm Luger Fits Sig P320 Blued Steel, Magazine
PromagHinterland OutfittersSKU/UPC: 159242
$20.50
View at Hinterland Outfitters
ProMag Magazine, 9mm, 21 Rounds, Fits Sig Sauer P320, Steel, Blued Finish
PromagPalmetto State ArmorySKU/UPC: 516551633023
$23.49$26.99Save 13%
View at Palmetto State ArmoryProMag Magazine for Sig P320 9mm 21-Round Steel Blue
PromagMidwayUSASKU/UPC: 774305
$23.99
View at MidwayUSA
Promag Sig P320 9mm Magazine 21Rds (Steel)
PromagAmmunition DepotSKU/UPC: SIG-A20
$23.99
View at Ammunition Depot
