ProMag COLA20 StandardBlued Detachable 30rd for 7.62x39mm AR-15

The ProMag COLA20 is a 30-round detachable magazine engineered for 7.62x39mm AR-15 platforms. Built and assembled right here in the USA, this blued steel magazine delivers the capacity and reliability you need for extended range sessions, training, or tactical work. ProMag backs every magazine with a lifetime guarantee against manufacturer defects—a commitment to standing behind what they make.

Magazine reliability matters. ProMag uses precision heat-treated chrome silicon wire for the spring—the same material and process you'll find in higher-end alternatives—and subjects every stage of assembly to inspection and verification. That attention to detail translates into consistent feeding and reliable performance when it counts. The rugged construction handles the abuse of field use without compromising function.

Loading is straightforward and intuitive, and the blued finish resists corrosion while maintaining a clean, professional appearance on your rifle. Whether you're building an AR-15 chambered in 7.62x39mm or stocking up on spares, this 30-rounder gives you the capacity to keep shooting without constant reloads.

Key Features

• 30-round capacity for extended shooting sessions
• Heat-treated chrome silicon wire spring for reliable feeding
• Manufactured and assembled in the USA
• Rugged construction designed for field use
• Easy, intuitive loading
• Lifetime manufacturer defect guarantee
• Blued finish for corrosion resistance

Specifications

Frequently Asked Questions

Will this magazine work with my 7.62x39mm AR-15?

Yes. The COLA20 is designed specifically as a detachable magazine for AR-15 rifles chambered in 7.62x39mm. Verify compatibility with your specific platform before use.

What's the warranty on ProMag magazines?

ProMag backs the COLA20 with a lifetime guarantee against manufacturer defects. If a defect in materials or workmanship occurs, ProMag covers it for the life of the magazine.

Is this magazine made in the USA?

Yes. The COLA20 is manufactured and assembled in the United States.

Why does the spring material matter?

ProMag uses precision heat-treated chrome silicon wire for the magazine spring—a material choice that provides reliable feeding and durability. Every assembly stage is inspected to maintain consistent quality.