ProMag COL27 10rd .22 LR Magazine for Colt M4

Enhance your shooting experience with the ProMag COL27 10-round .22 LR magazine, specifically designed for Colt M4 rifles. Crafted from durable DuPont Zytel polymer, this magazine ensures lasting performance. It features an injection molded mag follower and a mag spring formed from chrome silicone wire, offering reliable feeding and durability. Made in the USA, this detachable magazine is an excellent choice for your Colt M4, providing a perfect fit and smooth operation. Note: Not compatible with Ciener and G.I style .22 conversion rifles.