Machined to Military Specifications & Standards with a closed trigger and marked "Multi-Cal " to be used with multiple calibers on the AR-15 platform. Don't over pay for a lower receiver with a different logo and use the money you save elsewhere on your build! Pair this with one of our Upper Receivers for a solid fit for your AM-15 build! Technical Specifications Lower Receiver Material Forged 7075 T6 Aluminum Lower Receiver Finish Type 3 Hard Anodized - Black Trigger Guard Closed Trigger Lower Parts Kit Standard Parts Kit Included Buffer Tube 6 Position Buffer Tube Buttstock Hogue Compatibility All AR15 Platform Calibers Weight 4 Country of Mfg United States RF-85 Treated Non-treated UPC 686162540426