10.5" 300 Blackout Keymod Upper Assembly Twin River Arms No BCG or CH 349.99 Shipped

Description

(Free Shipping on all Orders)

Upper Assembly

Forged 7075-T6 Flat Top Receiver with M4 Feed Ramps
Laser etched T-marks and Anodized Finish
Manganese Phosphated Chrome Moly Vanadium 300 Blackout Barrel
10.5” HBAR barrel with M4 Barrel Extension
1:8 Barrel Twist
.750 Barrel Diameter at Gas Block
Pistol Length Gas
Nitrided low vis gas block
(Secured firmly with Barrel Dimpling)
5/8-24 Muzzle Thread Pitch
A2 Flash Hider
Mil-spec BCG and Charging Handle (Select from drop-down menu above)
(Phosphated Chrome-lined w/properly staked gas key)
Quad Rail

10" Aluminum Keymod Rail
Railed top that lines up with upper receiver
Free Floating
Slim Profile with secure interface with barrel nut
Fits any mil-spec AR15 lower receiver.

Twin River Arms upper assemblies are made from the highest grade parts, using quality barrels and bolts that are properly staked, dimpled barrels and steel gas blocks, and we test each one to ensure safety and cycling prior to shipping. They are built using stringent quality controls and procedures to ensure maximum reliability.

All NFA rules apply, You are responsible for knowing the applicable state laws regarding barrel length, as well as pistol and short barrel rifle restrictions that may exist in your area.

Two year warranty against manufacturer defects, but finishes will wear with use, and we do not extend warranties to finishes.