The USGI Enhanced Performance Magazine (EPM) is a 30-round aluminum magazine designed for the M4, M16, and AR-15 family of rifles. Developed to improve reliability and performance, the EPM addresses feeding issues associated with earlier magazine designs, especially when used with the M855A1 Enhanced Performance Round (EPR).
 
Key Features
Enhanced Feeding Geometry:
The EPM features a modified magazine body that presents rounds at an optimal angle, reducing the likelihood of misfeeds and increasing reliability.
Durable Construction:
Constructed from high-strength aluminum with a tan, flat dark earth (FDE) finish, the EPM is built to withstand rigorous military use.
Anti-Tilt Follower:
Equipped with a blue anti-tilt follower, the magazine ensures consistent feeding by preventing cartridge misalignment.
Increased Reliability:
Testing has demonstrated a 300% increase in the mean number of rounds between stoppages when used in the M4 Carbine, compared to previous magazine designs.
 
Specifications
Caliber: 5.56×45mm NATO
Capacity: 30 rounds
Material: Aluminum
Finish: Flat Dark Earth (FDE)
Follower Color: Blue
NSN: 1005-01-630-9508
Part Number: 13058014
 
Applications
Military Use:
Standard issue for U.S. military personnel utilizing M4 and M16 rifles, providing enhanced performance with the M855A1 EPR.
Law Enforcement:
Suitable for agencies employing AR-15 platform rifles, offering improved reliability in various operational settings.
Civilian Use:
Compatible with civilian AR-15 rifles, the EPM offers enthusiasts a durable and dependable magazine option for range and sport shooting.
 
The USGI Enhanced Performance Magazine addresses previous reliability concerns by incorporating design improvements tailored to modern ammunition types. Its durable construction, anti-tilt follower, and optimized feeding angle make it a superior choice for users seeking dependable performance in demanding conditions.