100% machined from billet 7075 aluminum and crafted to a high-precision fit. The extra attention to fit and quality lends to building a more accurate and reliable rifle. BAMF lower receiver Dual Drop upper receiver Machined from 7075 T651 billet aluminum Mated and serialized receiver set Zero-wobble, high tolerance fit Upper receiver finished in armor black cerakote on exterior and hard-coat anodized on interior surfaces. Lower receiver finished in armor black cerakote. Flared, oversized mag-well. Comes with the Dual Drop system installed. Includes Trigger Guard Trigger guard and bolt catch are installed with screws, not roll-pins.