MAGPUL MAG557 M3 BLK sling (Battery Assist Device) extended bolt

(Battery Assist Device) extended bolt catch attaches to the standard AR-15 bolt catch with a back plate and screw

All mounting hardware included

• Open 6

Superior ballistic impact protection per US MIL-PRF-31013 standard clause 3

• Passive retention detent adjustment screw and SERPA® Auto Lock™ release

MAGPUL MAG557 M3 BLK sling (Battery Assist Device) extended boltThe next generation PMAG 30 GEN M3 is a 30 round (Pinned to 5) 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.