The L5AWMTM +6 Extended Basepad increases the L5AWMTM capacity by 6 rounds, it is 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 and is compatible with all standard capacity L5 Advanced Warfighter Magazines. Type Magazine Extension Model L5AWM Finish Black Series Magazine Base Pad Caliber 223 Rem,5.56 NATO Capacity 6 Material Aluminum Brand Fit Lancer