Available to order $85.00 Gemtech, GM-45/Blackside Threaded Rear Mount Adaptor, 5/8X24 ThreadPitch, 300Blk 12194
Available to order $209.00 Ballistic Advantage Performance Series, Hanson Profile Barrel, 300BLK, 10.3", Black Finish, Lo Pro Gas Block Included BABL300007F
Available to order $251.75 Odin Works Barrel, Fits AR15, 300 Blackout, 8", Pistol Length Gas System, Threaded 5/8-24, Medium Profile, Nitride Finish, Includes Adjustable Gas Block, Black B-300-8-P-TG-BLK
Available to order $1,175.49 Lantac SF 15 Patrol, Complete Upper Receiver, 300 Blackout, 14.5" Barrel, Fits AR-15, Anodized Finish, Black 01-FA-300-PATROL-UP
Available to order $171.00 Ballistic Advantage Modern Series, DRP Profile Barrel, 300 Blackout, Fits AR15, 16" Threaded Barrel, 5/8x24" Thread Pitch, 1:7" Barrel Twist, Pistol Length Gas System, QPQ Finish, Black BABL300011M
Available to order $160.87 Faxon Firearms Duty Series, Gunner, 1:8 Twist Barrel, 300 Blackout, 10.5", Pistol Length Gas System, Fits AR-15, Nitride Finish, Black 15A38P10NGQ
Available to order $190.91 CMMG Multi Role Profile Barrel Sub-Assembly 4140CM .300 AAC Blackout 12.5 Inch 5/8-24 Threads Salt Bath Nitride Finish
Available to order $265.37 Lantac Raven, 300 Blackout, 14.5" Barrel, Fits AR-15, Anodized Finish, 1:8 Twist, 5/8-24 Threads, Pistol Length Gas System, Black LA00241
Available to order $1,119.99 Lantac PDP, Complete Upper Receiver, 300 Blackout, 7.5" Barrel, Fits AR-15, Anodized Finish, Black 01-FA-300-PDP-UPR
Available to order $499.95 PWS UXR Elite, Conversion Kit, 300 Blackout, 14.5" Barrel, Black, Includes Bolt and Barrel U2E14YB01-1F
Available to order $180.37 Faxon Firearms Match, Gunner, 1:8 Twist Barrel, 300 Blackout, 9", Pistol Length Gas System, Fits AR-15, Nitride Finish, Nickel Teflon Coated Extension, Black 15B38P9NGQ-5R-NP3
Available to order $499.95 PWS UXR Elite, Conversion Kit, 300 Blackout, 14.5" Barrel, Black, Includes Bolt and Barrel UXR-CK-300BLK-14