The AR-15 upper assembly bushmaster varminter includes a 10” heavy profile. The barrel comes with a slim 10” free-float guard of hands. You can choose the MLOK, keymode, or quadrail.
It is a 4150CMV steel black nitride medium profile barrel. The barrel’s finish is an A2 flash suppressor. It is manufactured from 4150 CMV steel. The rifling comes in a 1/24 twist. M4 feedramps are included. It is non-fluted. The barrel is supported with steel construction. The item boasts a 450. Bushmaster Chamber has a 750 under gas block diameter. The threading is 5/8x24.
The carbine-length stainless steel gas system tube is a 750 low-profile gas block. The item is produced from high-end aircraft quality steel. Aircraft quality aluminum handguards are also anodized with a black hard coat. It is possible to pick your rail preference (MLOCK or keymod). The item under consideration comes assembled. It is fire tested. Check out bushmaster ar 15 complete upper assembly at our website. Things like Charging Handle, BCG, or Bushmaster ar 15 cleaning kit can be ordered separately.