Product Description The Sons of Liberty Gun Works (SOLGW) Precision V2 18-Inch SPR Profile Barrel in 223 Wylde is purpose-built for shooters who demand exceptional accuracy and reliable suppressor compatibility. Engineered to resist zero shift as a suppressor is added or removed, and optimized for balanced handling even with forward-mounted enablers, this barrel represents some of the most accurate work SOLGW has ever produced. The 223 Wylde chamber accommodates both 5.56 NATO and .223 Remington ammunition, offering maximum versatility for competitive, tactical, and precision shooting applications. With a 5/8x24 threaded muzzle and a rifle-length gas system, this barrel is a premium foundation for any serious AR-15 precision build. Product Highlights Constructed from 4140 Chrome Moly Vanadium (CMV) steel for outstanding strength, heat resistance, and long-term durability Black oxide coating delivers a corrosion-resistant, low-glare finish that enhances both appearance and longevity Polygonal rifling with a 3-groove, 1:7 twist bore ensures superior bullet stabilization and consistent accuracy across a wide range of ammunition weights 5/8x24 threaded muzzle provides seamless attachment of suppressors or muzzle devices for enhanced versatility .750-inch gas block journal ensures straightforward compatibility with standard low-profile gas blocks for a clean, purpose-built setup Specs Brand: Sons of Liberty Gun Works MPN: 18PRECISION-SPR-223 UPC: 644625302103 Caliber: 223 Wylde Barrel Length: 18 inches Material: 4140 Chrome Moly Vanadium (CMV) Finish: Black Oxide Rifling: Polygonal, 3 Groove Twist Rate: 1:7 Profile: SPR Muzzle Threads: 5/8x24 Gas Block Journal: .750 inch Gas System: Rifle Length Weight: 3 lbs Platform Compatibility: AR-15 Country of Manufacture: USA 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.