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This Old Testament Firearms assembled 5.56 NATO "Close Quarters Battle" Upper Receiver Group is the perfect choice if you have wanted a pistol length upper but do not want the concussion and exaggerated flash signature that comes with a short-barreled 5.56/223 upper receiver!
This 5.56/.223 Upper Receiver Group consists of the following components:
- 10.5" Nitride Finish Hitman Series 5.56 NATO Barrel
- Carbine Length Gas System
- 1/7 Twist
- 1/2-28 Threaded
- Strike Industries J-Compensator and OPPRESSOR Concussion Reduction Device
- Quick Detach Mounting System
- Designed Specifically For Short Barrel Rifles/Pistols To Direct Gasses Out The Front and Retain Linear Braking Functions
- Directs Flash and Sound Forward While Improving Overall Weapon Control
- 9.85" OT Firearms Free Float MLOK Handguard
- Allows The Use Of Oppressor CRD or Your Preferred Suppressor and Mount
- OT Firearms Forged 7076-T6 M4 Upper Receiver
- Nitride Finish Low-Profile Gas Block
- Nitride Finish Pistol Length Gas Tube
- Does NOT Include BCG / Charging Handle