Full metal construction withstands rigorous use and damage Mounts onto M-LOK handguard rail systems Anodized aluminum provides additions without increasing the weight of your airsoft gun Increases rifle stability while firing Includes mounting hardware for easy installation out of the box In the Box 1X Handstop 1X Mounting Hardware Specifications: Brand G-Force Build Aluminum Alloy Compatibility M-LOK Handguards Length 2.2 Color Red California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov