CMMG 30BF827 Upper 300 AAC Blackout Carb 16 in WASP 4140 Chrome Moly Quad Rail Blk
This upper has a 300AAC Black Out Chamber and the barrel is 16 in M300 profile WASP treated 4140 chrome moly steel. It has a 1:7 in twist and 5/8-24 threaded end. The hand guard is K9 4 rail with a free floating tube. It also features a low profile gas block and no sights with a M16 bolt group.
SPECIFICATIONS:
Mfg Item Num: 30BF827
Category: UPPERS
Type :Complete Gas Impingement
Caliber :300 AAC Blackout/Whisper (7.62x35mm)
Sights :None (Optic Ready)
Barrel Length :16 in
Barrel Material :WASP Treated 4140 Chrome-Moly Steel
Twist :1:7
Barrel Description :M300 Profile
Barrel Finish :Black
Receiver Description:A3
Receiver Finish :Black
Handguards :Quad Rail
Handguard Finish :Black
Barrel Length Range :