Complete 4.5" 9MM Pistol Upper Receiver | FLASH CAN | 5.5" M-LOK Slant Cut | With Bolt Carrier Group and Charging Handle
This Complete 4.5 inch M-LOK upper receiver comes with a 5.5 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 black nitride 9mm barrel and our black nitride bolt carrier group that is finished with incredible polish, making the action smooth and easy to keep clean.
| Barrel | Specifications |
|---|---|
| Caliber | 9mm |
| Length | 4.5 |
| Material | 4150 Chrome Moly Vanadium |
| Profile | Straight |
| Finish | QPQ Corrosion Resistant |
| Gas System Length | None |
| Gas Block Journal | N/A |
| Dimpled? | No |
| Twist Rate | 1:10 |
| Muzzle Thread | 1/2x36 TPI |
| Weight | 8.3oz |
| Barrel Extension | Integrated |
| Target Crown | 11 Degree |
Bolt Carrier Group:
- Colt & Glock Compatible
- USA made 8620 Steel Carrier Construction
- Phosphated or Nitrided Finish
- Heavy Firing Pin Retaining Spring
- 14.8 oz.
Upper Receiver:
- Machined from a Mil-Spec 7075 T6 Forging
- Black Anodization
Handguard:
- 5.5" free-float handguard
- MIL-STD 1913 Picatinny rail on top
- 2 M-Lok slots on 3 sides
- Precision Machined aicraft grade aluminum, for high strength and weight savings
- Clamp-on system for easy assembly
- Steel Barrel nut to resist movement under heat
- Made in the USA
Charging Handle:
- Forged 7075 Aluminum construction
- Mil-Spec Type-III Hardcoat Anodized finish
***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***
