ProMag COLA9B 20rd .223/5.56 AR-15 Magazine

The ProMag COLA9B is a 20-round detachable magazine designed for AR-15 and M16 pattern rifles chambered in .223 Rem / 5.56x45mm. The magazine body and follower are molded from a proprietary DuPont Zytel-based polymer to provide a durable, lightweight option for service and field use. Springs are formed from heat-treated chrome-silicon wire for consistent feeding. Manufactured in the United States, the COLA9B provides a straightforward, dependable replacement or spare magazine for AR-15 type platforms.

Key Specifications

• The capacity is 20 rounds.
• The caliber compatibility is listed as .223 Rem / 5.56x45mm.
• The magazine body material is DuPont Zytel-based polymer.
• The follower is an injection-molded magazine follower.
• The spring is formed from heat-treated chrome-silicon wire.
• The finish is black.
• The product type is a detachable magazine for AR-15 style firearms.
• The listed model designation is COLA9B (Standard).
• The magazine is made in the USA.
• The application is for AR-15 / M16 type firearms.

Durably built and free of unnecessary frills, the ProMag COLA9B offers a simple, reliable magazine solution for shooters who value proven materials and straightforward performance. Its Zytel construction and chrome-silicon spring are specified to deliver consistent feeding and long service life, making it a practical spare or replacement magazine for range use, training, and everyday carry systems compatible with AR-15 pattern platforms.