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	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

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.***