Lancer Systems Basepad Magazine Extension for L5 AWM LCR. Hex Key Specifications for Lancer Systems Basepad Magazine Extension for L5 AWM: Manufacturer: Lancer Systems Fabric/Material: 6061 Aluminum Features of Lancer Systems Basepad Magazine Extension for L5 AWM Increases the capacity of any Lancer L5AWM magazine by 6 rounds Installs in seconds with no additional tools or modifications required Optimized for use with the original magazine spring CNC machined from 6061 aluminum anodized and laser engraved Compatible with all Lancer L5AWM magazines Weighs only 3 oz. Package Contents: Lancer Systems Basepad Magazine Extension for L5 AWM What firearm models does the manufacturer say Lancer Systems Basepad Magazine Extension for L5 AWM is compatible with? The manufacturer suggests that Lancer Systems Basepad Magazine Extension for L5 AWM is compatible with AR-15Lancer Systems Basepad Magazine Extension for L5 AWM LCRL5AWMEXTBP06RED