Home / AR Magazines / Promag / ProMag AR-15 Magazine 223 Remington, 5.56x45mm, 300 AAC Blackout 42-Round Polymer Black
▼ 20% below avg
ProMag AR-15 Magazine 223 Remington, 5.56x45mm, 300 AAC Blackout 42-Round Polymer Black
Lowest Price
$11.81
MSRP
$19.99
Savings
41% off
Verified In Stock at
15 Stores
Updated
Aug 26, 2026
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42 - Round Capacity
Easy Loading
Heat-Treated Chrome Silicon Wire Spring
Manufactured & Assembled in the U.S.A.
Rugged Construction
Specifications
Description
These ProMag magazine bodies and followers are injection molded from strong, lightweight polymer. The springs are precision wound using heat-treated chrome silicon wire. The result is quality, consistency, durability and reliability. FeaturesMagazine body constructed of a proprietary DuPont Zytel based polymerInjection molded magazine followerMagazine spring formed from heat treated chrome silicon wire
