Increases L5AWM capacity by six rounds; Optimized for use with original magazine spring; Speeds up reloads by increasing magazine drop efficiency; Installs in seconds; no additional tools or permanent modifications required; CNC machined from 6061 aluminum; anodized and laser engraved; Compatible with all standard capacity L5 Advanced Warfighter Magazines; Designed, tooled, manufactured, and assembled in the USA; Magazine NOT Included