RTB Barreled 10.5" 5.56 Upper Receiver - Flat Dark Earth | A2 | 9" M-LOK
This Barreled 10.5 inch M-LOK upper receiver comes with our RTB 9 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 - 10.5"
- Material - 4150 Chrome Moly Vanadium
- Profile - Government
- Finish - QPQ Corrosion Resistant
- Gas System Length - Carbine
- Gas Block Journal - .750"
- Twist Rate - 1:7 inches
- Muzzle - 1/2x28 Threaded
- Weight - 19oz
- Other Info - M4 feed ramps
- Machined from a Mil-Spec 7075 T6 forging Cerakoted in FDE
- M4 Feed ramps
- Made in the U.S.A.
- MATERIAL: FLAT DARK EARTH 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.***