ProMag builds this magazine (part no. COLA30) for the Colt M4, chambered in .22 LR and holding a full 30-round capacity in black DuPont Zytel polymer with an injection-molded follower and a spring formed from chrome-silicone wire, made in the USA. Note that this magazine will not work with Ciener or G.I.-style .22 conversion rifles. For ProMag owners of a Colt M4 pattern rifle, this rifle magazine is an affordable, high-capacity training spare.

Key Specifications

• Chambered in .22 LR.
• Holds a full 30 rounds.
• Fits the Colt M4.
• Built from DuPont Zytel polymer.
• Runs an injection-molded follower.
• Spring formed from chrome-silicone wire.
• Made in the USA.
• Not compatible with Ciener or G.I.-style .22 conversion rifles.
• Manufactured by ProMag.

Frequently Asked Questions

What rifle does this magazine fit? The Colt M4, chambered in .22 LR.

Will it work in a .22 conversion kit? No, it’s not compatible with Ciener or G.I.-style .22 conversion rifles.

Buy the ProMag Colt M4 .22 LR Magazine

A full 30-round .22 LR magazine built for economical range training on the M4 platform, this ProMag magazine is USA-made and easy to keep stocked. Order it from our Lubbock, Texas gun shop for fast, insured shipping.