Product Description The Stern Defense Upper Receiver is a Mil-Spec, flat-top AR-15 upper receiver built for dependable fit, function, and long-term durability. Machined from strong 7075-T6 aluminum and finished with hard-coat anodizing, it features a dry film lubricant in the bore to help promote smooth cycling. This upper includes a Stern Defense laser-engraved dust cover and a forward assist, making it an excellent foundation for a new build or a quality replacement part. Product Highlights Mil-Spec flat-top AR-15 upper receiver for broad parts compatibility Precision-machined 7075-T6 aluminum construction for strength and reduced weight Hard-coat anodized finish for enhanced wear and corrosion resistance Includes Stern Defense laser-engraved dust cover and forward assist Mil-Spec dry film lube in the bore to support smooth operation Specs Brand: Stern Defense Product Type: Upper Receiver Firearm Fit: AR-15 Material: 7075-T6 Aluminum Finish: Hard-coat anodized Configuration: Flat top Included Components: Dust cover (laser engraved), forward assist Approx. Weight: 0.82 lb Approx. Package Dimensions (L x W x H): 12.8 x 4.0 x 3.5 in UPC: 850001176651 Manufacturer Part Number: 010UPPERRECIEVERKKP Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the products manufacturer.