FEATURES:-Caliber: .350 Legend-Barrel: 16.1"-Twist: 1:16"-Weight: 1 lb, 9ozPRODUCT SPECIFICATIONS:Dimension 1.90 X 1.90 X 17.70Height 1.9000Width 1.9000Length 17.7000AR-15 ACCESSORY YCALIBER 350 LEGENDFINISH NITRIDELENGTH IN INCHES 16.0000SIGHTS NFLUTED NTHREADED YOTHER FEATURES: MEDIUM TAPER 416SS BLACKENED THREADED 1/2-28", 1:16 TWIST, CARBINE LENGTH GAS PORT, .750 GAS BLOCK SIZE USES STANDARD 5.56/.223 BCG'SNO DIRECT SHIP TO CALIFORNIA