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Gen 4 Upper Receiver Assembly .223 7.25" Barrel, 6" MRR, NP3

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Patriot Ordnance Factory
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Here is the perfect way to complete your new gas-piston AR-15 pistol. This complete AR-15 upper assembly from Patriot Ordnance Factory is overbuilt in every way. Based around a billet machined 7075-T6 aircraft aluminum alloy upper receiver, the assembly features POF-USA's patented Modular Railed Receiver free-floating monolithic rail system. The upper receiver is NP3 nickel boron coated. The bolt carrier is nickel plated with an integrated bolt carrier key, the roller cam pin has a chrome plated stem and NP3 roller, and the bolt is chrome plated.

The upper has an 7.5" fluted match grade barrel made of 4150 Mil-B-11595E chromoly alloy and has been corrosion resistant nitride treated inside and out. It has standard threading and is capped with a POF triple port muzzle device

NOTE: All NFA rules apply. For use in building a handgun only. Any other use requires possession of a REGISTERED short barrel rifle lower receiver prior to ordering.

Specifications and Features:
5.56 NATO (accepts .223 Remington
Rotating bolt short stroke gas piston semi automatic
Multi position gas system with normal, suppressed and bolt action modes
7.5" fluted chromoloy barrel, salt bath nitride finish
Billet machined upper receiver, NP3 plated
Nickel plated bolt carrier with integrated bolt carrier key and chrome plated bolt
POF-USA monolithic Modular Railed Receiver system
Free floating modular aluminum handguard
Anodized billet aluminum charging handle
Overall length 14.5"
Weight 5.3 lbs

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