

Product Description
The ProMag COL-A16 is a 42-round aftermarket magazine designed to fit AR-15/M16 rifles chambered in .223 Remington / 5.56 NATO (5.56x45mm). Built for rugged use and easy loading, this black polymer magazine is manufactured and assembled in the USA and uses a precision-wound, heat-treated chrome silicon wire spring for consistent feeding. ProMag magazines are backed by a lifetime guarantee against manufacturer’s defects.
Product Highlights
- High-capacity 42-round magazine for AR-15/M16 platforms in .223 Remington / 5.56 NATO
- Precision-wound, heat-treated chrome silicon wire spring for reliable performance
- Durable polymer magazine body and follower for long service life
- Made and assembled in the USA with quality checks throughout the assembly process
- Backed by a ProMag lifetime guarantee against manufacturer’s defects
Specs
- Brand Name: ProMag Industries
- Manufacturer Part Number: COL-A16
- UPC: 708279012679
- Firearm Fit: AR-15 / M16
- Caliber Compatibility: .223 Remington / 5.56 NATO (5.56x45mm)
- Capacity: 42 rounds
- Color: Black
- Material: Polymer magazine body (DuPont Zytel-based polymer referenced by seller listing)
- Spring Material: Heat-treated chrome silicon wire
- Country of Manufacture: USA
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