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:
- Barrel Material: 4150 CMV Steel
- Barrel Caliber: 9MM (9x19mm)
- Barrel Twist: 1:10
- Barrel Length: 4.5”
- Finish: Black QPQ Salt Bath Nitride
- Muzzle Thread: 1/2x36" TPI (Threads Per Inch)
- 11-degree Target Crown
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.***