The ProMag COL27 Standard magazine provides a robust and reliable feeding solution for Colt M4 platform firearms chambered in .22 LR. Engineered to exacting standards, this magazine ensures consistent ammunition delivery for training and operational requirements, minimizing feed-related stoppages.
Key Features
Construction & Materials
This magazine is meticulously constructed from DuPont Zytel polymer, a high-strength, impact-resistant material chosen for its durability and dimensional stability. The injection-molded follower is designed to mitigate tilt and optimize reliable feed geometry. A spring formed from chrome silicon wire maintains consistent tension over extended use cycles, contributing to dependable operation and prolonged service life.
Reliability & Function
Designed for consistent cycling, the COL27 mitigates common feeding issues, ensuring the firearm operates as intended during rapid fire or sustained engagements. Material selection and precise assembly contribute directly to its functional integrity, providing a consistent feeding platform.
Compatibility
This magazine is specifically engineered for the Colt M4 .22 LR platform. Users should note this magazine is not compatible with Ciener or G.I. style .22 conversion rifles. Verification of firearm compatibility is critical for optimal performance.
Technical Specifications
- **Caliber:** .22 LR
- **Capacity:** 10 Rounds
- **Material:** DuPont Zytel Polymer
- **Follower:** Injection Molded Polymer
- **Spring Material:** Chrome Silicon Wire
- **Compatibility:** Colt M4 .22 LR Rifles (Does NOT fit Ciener or G.I. style .22 conversion rifles)
- **Color:** Black
- **Manufacture:** Made in USA









