Brownells BRN AR-15 5.56 MK18 BARREL GROUP 10.3'' 1-7 TWIST,CARBINE GAS 10.3-5.56-GOV

Brownells BRN AR-15 5.56 MK18 Barrel Group 10.3'' 1-7 Twist Brownells BRN AR-15 5.56 MK18 Barrel Group 10.3'' 1-7 Twist, Carbine Gas The Brownells BRN AR-15 5.56 MK18 Barrel Group 10.3'' (1-7 Twist, Carbine Gas) (10.3-5.56-GOV) is a complete, high-quality barrel assembly designed for AR-15 rifles. This MK18-style barrel group features a 10.3-inch barrel chambered in 5.56 NATO with a fast 1:7 twist rate and carbine-length gas system, making it an excellent choice for compact builds. MK18-Style Configuration This barrel group is built to MK18 specifications, offering the same compact size and performance favored by military and law enforcement users. The 10.3-inch length provides excellent maneuverability while maintaining reliable function with the carbine gas system. It is ideal for AR-15 pistols, SBRs, and close-quarters configurations. 5.56 NATO Chamber with 1:7 Twist Chambered in 5.56 NATO, this barrel is compatible with both 5.56 and .223 Remington ammunition. The 1:7 twist rate is optimized for stabilizing heavier projectiles, particularly 62 to 77 grain bullets, delivering excellent accuracy and performance across a wide range of loads commonly used in defensive and duty applications. Carbine Gas System The carbine-length gas system is properly matched to the 10.3-inch barrel length, ensuring reliable cycling and smooth operation. This gas system length provides consistent performance with standard 5.56 ammunition while helping to reduce recoil and improve overall shootability in a short barrel configuration. Key Features of the Brownells MK18 Barrel Group 10.3-inch barrel length 5.56 NATO chamber 1:7 twist rate Carbine gas system MK18-style configuration Part number: 10.3-5.56-GOV Complete barrel group assembly Benefits for AR-15 Builders This MK18 barrel group offers a ready-to-install solution for builders looking to create a compact, reliable AR-15. The combination of the 1:7 twist and carbine gas system provides excellent accuracy and dependable function. It is particularly well-suited for short-barreled builds where reliability and performance are critical. Recommended Applications AR-15 pistol builds Short-barreled rifle (SBR) configurations Close-quarters and home defense rifles Custom MK18-style clones Compact tactical builds Why Choose Brownells Barrels? Brownells is a trusted name in the firearms industry for high-quality AR-15 components. This MK18 barrel group is manufactured with precision and attention to detail, ensuring proper fit, function, and long-term reliability. The 5.56 chamber, 1:7 twist, and carbine gas system deliver excellent performance in a compact package. Technical Specifications Brand: Brownells Product: MK18 Barrel Group Caliber: 5.56 NATO Barrel Length: 10.3 inches Twist Rate: 1:7 Gas System: Carbine Part Number: 10.3-5.56-GOV Build Your Compact AR-15 The Brownells BRN AR-15 5.56 MK18 Barrel Group 10.3'' is a premium choice for anyone building a short, reliable, and accurate AR-15. With its MK18-style configuration, fast 1:7 twist, and properly tuned carbine gas system, this barrel group delivers excellent performance in a compact package. Add this high-quality barrel assembly to your next AR-15 build for superior handling and reliability. The End