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Windham Weaponry AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16" Heavy Barrel Carbine Length Gas System Fixed Front Sight Removable Carry Handle UR16A4B

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Windham Weaponry
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The Windham Weaponry complete AR-15 Upper Assembly has everything you need to snap it on to your lower receiver. It features a 16" Heavy Profile Barrel that is Chrome Lined and Machined from 4150 Chrome Moly Vanadium Steel. It also features a A2 Birdcage Flash Suppressor, A2 Front sight, and a Removable A4 Carry handle. The upper receiver does include the Bolt Carrier Group, Charging handle, Forward assist and ejection port cover.

Specifications and Features:
Windham Weaponry Complete Upper Assembly UR16A4B
5.56mm NATO (accepts .223 Remington)
16" Heavy Profile
4150 Chrome Moly Vanadium Steel Barrel
1:9" Twist
Carbine Length Gas System
Complete Bolt Carrier Group
A2 Birdcage Flash Suppressor
7" Standard Carbine Hand Guards
Standard A2 Fixed Front Sight Tower
Removable A4 Carry Handle with 300-600 Meter Dual Aperture Rear Sight
Charging Handle
Forward Assist
Ejection Port Cover
Made in the USA

AR-15 Lower Receivers


Item#: 9-102157
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