RTB Complete 16" 5.56 Upper Receiver | A2 | 12" M-LOK | With Bolt Carrier Group and Charging Handle
This Complete 16 inch M-LOK upper receiver comes with our RTB 12 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.
We also carry this Upper Receiver unassembled here if you are a DIYer / Do It Yourselfer.
- LENGTH - 16"
- MATERIAL - 4150 CHROME MOLY VANADIUM
- 11-DEGREE TARGET CROWN - FURTHER IMPROVE ACCURACY
- PROFILE - M4
- FINISH - QPQ CORROSION RESISTANT
- GAS SYSTEM LENGTH - CARBINE
- GAS BLOCK JOURNAL - .750" GAS BLOCK JOURNAL
- TWIST RATE - 1/7 TWIST
- MUZZLE - 1/2X28 THREADED
- WEIGHT - 28OZ
Bolt Carrier Group:
- Enhanced 9310 Steel (Bolt)
- 8620 Tool Steel (Carrier)
- Bolt is shot Peened and MPI
- All BCG components are pre-polished before being processed and then post polished for an incredible shine
- Machined from a Mil-Spec 7075 T6 forging Hard Coat Anodized per Mil-A-8625F, Type III
- M4 Feed ramps
- Made in the U.S.A.
- MATERIAL: HARD COAT ANODIZED ALUMINUM HANDGUARD, ALUMINUM BARREL NUT
- PRECISION BORE
- ACCEPTS M-LOK RAIL SECTIONS & ACCESSORIES
- 7075-T6 BARREL NUT
- RAIL LENGTH IS MEASURED ALONG THE TOP
- INNER DIAMETER: 1.36"
- Tried and True Standard Charging Handle
- Forged 7075 Aluminum construction
- Mil-Spec Type-III Hardcoat Anodized finish
- Caliber - .223 / 5.56 / 300 Blackout
- Made in the USA
Please Note: Uppers may present light fouling from our quality control process and/or test firing