ProMag COL-A1 AR-15 Magazine 30-Round Blued Steel

The ProMag COL-A1 is a detachable 30‑round magazine designed for AR-15 type firearms chambered in .223 Rem/5.56 NATO. It is built from heat-treated steel and finished with a blued oxide for corrosion resistance. The magazine uses an injection-molded follower and a spring formed from chrome silicon wire to promote consistent feeding. This item is made in the USA and serves as a replacement or spare magazine for range or field use.

Key Specifications

• The capacity is 30 rounds.
• The cartridge compatibility is .223 Rem / 5.56 NATO.
• The construction material is heat-treated steel.
• The finish is blued.
• The magazine uses a spring formed from chrome silicon wire.
• The follower is injection-molded.
• Intended application is for AR-15 type firearms.
• The overall external dimensions are 1.65 x 3.30 x 7.80 inches.
• The listed weight is 0.5 lb.
• Country of manufacture is United States.

Durable, straightforward, and built to match standard AR-15 requirements, the ProMag COL-A1 provides a reliable spare magazine option for range days and general use. Its steel body, proven spring material, and anti-tilt follower design focus on consistent feeding and longevity without unnecessary complexity.