RTB FDE 16" 9MM Upper Receiver | A2 | 15" M-LOK | Without Bolt Carrier Group and Charging Handle
This Complete 16 inch M-LOK upper receiver comes with a 15 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 making the action smooth and easy to keep clean.
| Barrel | Specifications |
|---|---|
| Caliber | 9mm |
| Length | 16" |
| Material | 4150 Chrome Moly Vanadium |
| Profile | Straight |
| Finish | QPQ Corrosion Resistant |
| Gas System Length | Blowback |
| Gas Block Journal | N/A |
| Dimpled? | No |
| Twist Rate | 1:10 |
| Muzzle Thread | 1/2x36 TPI |
| Weight | 24.3oz |
| Barrel Extension | Integrated |
| Target Crown | 11 Degree |
Upper Receiver:
- Machined from a Mil-Spec 7075 T6 forging
- FDE Finish
Handguard:
- MATERIAL: FDE 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 Note: Uppers may present light fouling from our quality control process and/or test firing
