Magpul PMAG 20 GEN M3 308

The next-generation PMAG GEN M3 is a 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Along with expanded feature set and compatibility, the GEN M3 incorporates new material technology and manufacturing processes for enhanced strength, durability, and reliability to exceed rigorous military performance specifications.

Features:
Next-generation impact and crush resistant polymer construction.
Modified dimensions allow for wider compatibility with non colt-spec platforms constant-curve internal geometry for smooth feeding anti-tilt, self-lubricating follower for increased reliability long life USGI-spec stainless steel spring for parts commonality over-travel insertion stop on the spine.
Ribbed gripping surface and new aggressive front and rear texture for positive magazine handling.  
Paint pen dot matrix panels on the bottom of the body to allow for identification marking.
Flared floorplate aids magazine handling and disassembly yet is slim enough for use with many double and triple pouches.  
Pop-off Impact/Dust Cover to minimize debris intrusion and for ammunition protection in storage and transit.