CQB Top End
CQB / MRP User’s Kit
The CQB upper receiver has 16.25″ of uninterrupted 1913 picatinny rail on the 12 o’clock position. 8″ of rail on 3 and 9 o’clock positions, and 7″ of rail at the 6 o’clock position.
Monolithic rail platform barrels utilize a low profile gas block and straight gas tube. They possess proprietary coating and are cryogenically treated for long term durability.