ProMag COL27 10rd .22 LR Magazine for Colt M4

The ProMag COL27 is a replacement or spare detachable magazine designed for Colt M4 .22 LR rifles. It provides a compact, reliable option for range training and recreational rimfire use. Constructed from DuPont Zytel polymer and made in the USA, it balances lightweight handling with durable construction.

Key Specifications

• The magazine holds 10 rounds.
• Compatible caliber is .22 LR.
• Designed to fit Colt M4 .22 LR rifle platforms.
• The body is constructed from DuPont Zytel polymer.
• The exterior finish is black.
• The model is listed as Standard.
• The product type is detachable magazine.
• The follower is injection molded.
• The spring is formed from heat-treated chrome-silicone wire.
• This magazine is made in USA and will not fit Ciener or G.I. style .22 conversion rifles.

Purpose-built as a straightforward, USA-made replacement or spare magazine, the COL27 delivers reliable function for training and recreational rimfire shooting. Its polymer construction and simple design make it a practical choice for shooters who want a durable, no-nonsense magazine for Colt M4 .22 LR platforms.