LBE Unlimited Standard Recoil Buffer Carbine Length AR15 is expertly crafted from durable silver aluminum and features 3 steel weights for a solid performance. Weighing just 3 oz it's lightweight yet robust making it a reliable upgrade for your AR15. Built for standard carbine-length setups this precision-engineered buffer ensures smoother operation and improved reliability. A high-quality choice for firearm enthusiasts seeking enhanced functionality without added bulk.