• Chrome-Moly
• M4 barrel extension
• 5/8 x 24 thread pitch
• 1:7 twist rate rifling
• 300 Blackout chambered
• .750 at the gas block
• Pistol-length gas system
• 16 inches
• 1 lb., 14 oz. 

Rise Armament Barrel, 300 Blackout, 16", 1:7 Twist, Black Finish, 5/8x24 Bk-160-300-blk

Product Type: Bbl
Finish/Color: Black
Description: 5/8X24
Caliber: 300 Blackout