Product Description The LaRue Tactical Stealth M4 Barrel is widely recognized as one of the finest upgrades available for any stock AR-15 rifle. Chambered in .223 Wylde with a 1-in-8 twist rifling in a medium-weight contour, this 16-inch barrel delivers exceptional accuracy, with many Stealth Upper owners achieving shot groups smaller than 1/2 MOA. Each barrel arrives with a LaRue Precision Barrel Extension pre-installed, a threaded muzzle (1/2x28), a precision gas hole, and gas block divots at the 6 o&';clock position for straightforward installation. M4 Feed Ramps ensure reliable feeding and consistent function, making this barrel an outstanding choice for tactical applications, competitive shooting, and recreational use. Product Highlights Chambered in .223 Wylde with 1-in-8 twist rifling for exceptional accuracy and versatility across 5.56x45mm and .223 Rem ammunition 16-inch medium-weight contour barrel engineered for improved performance and precision in AR-15 platforms LaRue Precision Barrel Extension pre-installed for convenient drop-in fitment and consistent headspacing Threaded muzzle (1/2x28), precision gas hole, and gas block divots at the 6 o&';clock position for easy installation and proper gas block alignment M4 Feed Ramps deliver reliable feeding and consistent function under demanding tactical and competition conditions Specs Brand: LaRue Tactical Caliber: 5.56x45mm / .223 Wylde Barrel Length: 16 inches Twist Rate: 1-in-8 Contour: Medium Weight Muzzle Thread: 1/2x28 Feed Ramps: M4 Color: Black Compatible Platform: AR-15 MPN: LT156SM223816Y1MM4 UPC: 810143182149 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. ]]>