ProMag COL27 Standard 22 LR 10-Rd Fits Colt M4 Black Polymer Magazine

The ProMag COL27 is a 10-round 22 LR detachable magazine engineered to fit the Colt M4. Built in ProMag's Standard pattern, this magazine is constructed from black DuPont Zytel polymer for a lightweight replacement or spare option.

Inside the polymer body, an injection-molded follower and matched magazine spring work together to deliver consistent round presentation. The detachable box design drops directly into the Colt M4 magazine well, providing a ProMag-manufactured 22 LR magazine option for the platform.

Made in the USA by ProMag, the COL27 combines DuPont Zytel polymer construction with M4-pattern geometry in a 10-round, 22 LR detachable package.