The MAGPUL PMAG GEN M3 Window represents the current production standard for 5.56x45mm NATO (.223 Remington) polymer magazines designed for AR15/M4 compatible weapon systems. This 30-round magazine integrates transparent windows, enabling rapid, approximate visual identification of remaining ammunition, a critical utility in dynamic operational environments. Developed with advanced material technology and refined manufacturing processes, the GEN M3 platform delivers enhanced structural integrity, durability, and feed reliability, designed to surpass stringent military performance benchmarks.
Key Features
Enhanced Material Construction
Constructed from a proprietary impact-resistant polymer, the GEN M3 magazine is engineered for exceptional resilience and longevity. This material science advancement contributes directly to the magazine’s ability to maintain structural integrity under demanding field conditions, mitigating potential failures common to lesser-quality magazine designs. The design ensures consistent performance across a broad operational temperature range.
Visual Round Count Integration
Each GEN M3 Window magazine incorporates durable, transparent windows on both sides. These windows are calibrated to provide a quick, approximate visual reference for the remaining rounds, allowing operators to assess ammunition status without manual verification or magazine removal. This feature enhances situational awareness and facilitates proactive reload planning.
Optimized Geometry and Broad Compatibility
While optimized for seamless integration and function within Colt-spec AR15/M4 platforms, the GEN M3 features revised internal and external geometry. This precise engineering ensures compatibility and reliable operation across an expanded range of firearms, including the HK 416/MR556A1/M27 IAR, British SA-80, FN SCAR MK 16/16S, and various other 5.56x45mm NATO systems. The over-travel insertion stop ensures proper seating without over-insertion on certain platforms.
Reliability Enhancements
The magazine is equipped with a low-friction follower, designed to provide consistent feeding across the entire capacity range. A USGI-spec stainless steel spring provides robust tension for extended service life and reliable round presentation. The flared floorplate facilitates positive magazine manipulation and provides enhanced drop protection, while also being easily removable for maintenance.
Technical Specifications
- Caliber: 5.56x45mm NATO (.223 Remington)
- Capacity: 30 Rounds
- Platform: AR15, M4, HK416, MR556A1, M27 IAR, SA-80, FN SCAR MK 16/16S, and others
- Material: Impact-resistant Polymer
- Color: Medium Coyote Tan (MCT)
- SKU: RSR|MGMPI556MCT
