RTB Barreled 16" 5.56 Upper Receiver - Burnt Bronze | A2 | 12" M-LOK
This Barreled 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.
- 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
- Machined from a Mil-Spec 7075 T6 forging Cerakoted in Burnt Bronze
- M4 Feed ramps
- Made in the U.S.A.
- MATERIAL: BURNT BRONZE CERAKOTED 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"
***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***