The L5AWM 300BLK magazine has been specifically engineered for use with heavy subsonic .300 Blackout ammunition, particularly with 200+ grain projectiles. The updated internal magazine geometry allows these longer heavier bullets to stack properly, which increases feeding reliability when compared to a traditional .223/5.56 magazine. The outside of the mag body is molded with distinctive .300 Blackout markings and the magazine ships with a contrasting flat dark earth floor plate for easy visual identification.
NOTE: These magazines have been specifically designed and optimized to alleviate the stacking and feeding issues commonly experienced when running 200+ grain subsonic .300BLK cartridges in standard .223/5.56 magazines. If you are shooting lightweight supersonic .300BLK ammunition (<150gr), we recommend using a standard .223/5.56 L5AWM magazine.
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- Specifically engineered for 200+ grain subsonic ammunition
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- Stamped with 300 Blackout markings for caliber organization
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- Contrasting FDE floorplates provide instant visual identification
About the L5 Advanced Warfighter Magazine®
Lancer set out to design a better 5.56 magazine; one with the reliability of steel, durability of polymer and weight of aluminum – the L5AWM. The magazine design includes a one-piece, wrap-around steel feed lip assembly and an aggressive surface texture to create the ultimate hybrid magazine tough enough for military, LE and commercial use. The L5AWM is compatible with modern weapon systems, including M4/M16/AR15, SCAR16, HK416, ARX160, SIG556, ARC, IWI Tavor, SA80, and many more.
Designed, tooled, manufactured, and assembled in the USA.
Todd P –
They work. Never have had an issue between two different ARs.
David Poindexter (verified owner) –
Phenomenally built magazines.