Maximize your firepower with the Lancer® L5 AR-15 .300 Blackout 30-Round Advanced Warfighter Magazine. Engineered for reliable performance with heavy .300 Blackout ammunition, this magazine boasts a translucent polymer body with a one-piece steel feed lip design for lasting durability, superior reliability, and corrosion and chemical resistance. Aggressive texturing on the exterior of the magazine offers lightning-fast mag changes and reliable handling, while the polymer floor plate is easily removed for quick disassembly. Plus, the high-tensile steel spring and anti-tilt polymer follower ensure smooth, snag-free feeding performance for added reliability in the field.