In Stock
ProMag AR-15 Magazine 223 Remington, 5.56x45mm, 300 AAC Blackout 42-Round Polymer Black
Sold byMidwayUSA•Posted Apr 27, 2026
Compare prices for ProMag AR-15 Magazine 223 Remington, 5.56x45mm, 300 AAC Blackout 42-Round Polymer Black$13.99
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Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: parts
Price History
Deal Details
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
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