Product Description The LanTac USA SF15 DMR Complete Upper Receiver is a precision-engineered AR-15 upper assembly chambered in 223 Wylde, purpose-built for shooters who demand designated marksman rifle performance. Featuring an 18" barrel and a hard-coat anodized black finish, this complete upper delivers outstanding long-range accuracy while maintaining the reliability LanTac USA is known for. The 223 Wylde chamber is designed to handle both .223 Remington and 5.56 NATO ammunition with enhanced accuracy over a standard 5.56 NATO chamber. Compatible with standard AR-15 lower receivers, this upper is a direct-fit solution for building or upgrading a precision DMR platform. Product Highlights 223 Wylde Chamber: Optimized to fire both .223 Remington and 5.56 NATO rounds, offering superior accuracy compared to a standard 5.56 NATO chamber. 18" Barrel: Extended barrel length maximizes muzzle velocity and long-range precision, ideal for designated marksman rifle applications. Complete Upper Assembly: Ready-to-install unit that fits standard AR-15 lower receivers for a seamless build or upgrade. Hard-Coat Anodized Black Finish: Provides excellent corrosion resistance and durability for long-lasting performance in demanding conditions. SF15 DMR Platform: Built on LanTac USA&';s SF15 platform, delivering match-grade craftsmanship and performance for precision shooting applications. Specs Brand: LanTac USA LLC Model: SF15 DMR Complete Upper Receiver Chamber: 223 Wylde Barrel Length: 18" Finish: Anodized Black Compatible Platform: AR-15 Condition: New UPC: 640117876114 MPN: 01-FA-223-DMR-UPR 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 product&';s manufacturer. ]]>