Product Description Mil-Spec flat top upper receiver with Stern Defense laser engraved dust cover and forward assist. Machined from 7075-t6 aluminum and hard-coat anodized. Mil-spec dry film lube in the bore. Stern Defense 010UPPERRECIEVERKKP Upper Receiver 7075-T6 Aluminum Anodized Receiver for AR15 at Shooting Surplus Browse all Shooting Surplus deals $101.99 In Stock at Shooting Surplus Price verified 2d ago Buy Now at Shooting Surplus Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Stern Defense Stern Defense