4.5" 9mm Upper Receiver -Black | FLASH CAN | 5.5" M-LOK Slant Cut | Without BCG & CH

Barreled 4.5" 9mm Upper Receiver | FLASH CAN | 5.5" M-LOK Slant Cut | Without Bolt Carrier Group and Charging Handle

NO BCG OR CHARGING HANDLE INCLUDED

Click here for Charging Handles

Click here for Bolt Carrier Groups

This Barreled 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 M4 barrel.

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

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 6000 Series 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

***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***