PRW Enhanced Upper Receiver Group 5.56 NATO

Patriot Rifleworks Barreled Upper Receiver Group

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Patriot Rifleworks Barreled Upper Receiver Group in 5.56


UPPER RECEIVER: Patriot Rifleworks AR15 Upper Receiver Forged from 7075-T6 aluminum, this assembled upper is precision machined to Mil-Spec M16/M4 specifications and features M4 feedramps. Patriot Rifleworks logo laser etched on top rear of receiver.

Finish - Mil-Spec (MIL-A-8625F) Hard Black Anodized


BARREL: PATRIOT RIFLEWORKS 16” Government Profile Mid-Length Barrel Our Patriot Rifleworks barrels are made from quality rifle barrel steel, then heat treated in a QPQ process known as Molonite or Black Nitride which hardens all surfaces of the barrel while giving it superior corrosion resistance. Each PRW Barrel is also capable of 1 MOA accuracy using match grade ammunition.

Length - 16"

Material - 4150 Chrome Moly Vanadium (Mil-B-11595)

Profile - Government (SOCOM)

Finish - Corrosion Resistant QPQ / Black Nitrate / Molonite

Gas System Length - Mid-Length

Gas Block Journal - .750"

Gas Port - 0.076"

Twist Rate - 1:7 inches

Muzzle - 1/2-28 Threaded



Carrier Style - M16 / Full-Auto

Finish - Nickel Boron (Nib 6% Boron)

Bolt Material - Carpenter C-158

Carrier Finish - Nickel Boron (Nib 6% Boron)

Carrier Material - 8620 Steel

Extractor - Enhanced O-Ring

Gas Key - Staked

Magnetic Particle Inspection - Yes

High Pressure Tested - Yes


HANDGUARD: PATRIOT RIFLEWORKS PRW 15" M-LOK HANDGUARD Ultra Lightweight PRW15-M 15″ Handguard with the Magpul M-LOK™ mounting system for AR15 type Rifles. Fully machined from 6061-T6 aluminum the upper rail is a true 1913 spec with M-LOK™ slots on both sides & bottom giving the shooter multiple mounting locations for rail sections and accessories. Check out all of the features and see for yourself why the Patriot Rifleworks PRW15M is one of the lightest and strongest M-LOK hanguards available.

Material - Aircraft Grade 6061-T6 Aluminum

Finish - Mil-Spec (MIL-A-8625F) Hard Black Anodized

Length - 15”

Inside Diameter - 1.35”

Weight - 8.5 oz. (including barrel nut and fasteners)

One Piece Free Floating Design

M-LOK Accessory Rail Mounting System at 3, 6, & 9 O’clock Positions

Mil-Spec 1913 Picatinny Top Rail

Steel Barrel Nut and Aircraft Grade Fasteners


GAS BLOCK: PRW Low-Pro .750”

Gas Block is made from 4140 Steel.


GAS TUBE: PRW Mid-Length Stainless Steel


CHARGING HANDLE: Mil-Spec Charging Handle

Our PRW Uppers comes with a standard mil-spec charging handle.

*Optional Raptor ambidextrous charging handle available


MUZZLE DEVICE: Mil-Spec A2 Flash Hider


SIGHTS: *Optional, choose from the following...

- Magpul MBUS (Polymer)

- Magpul MBUS Pro (Low Pro Metal)

Additional Info

Additional Info

Manufacturer Patriot Rifleworks


Customer Reviews (1)

Has never failed meReview by Chambered
I purchased an upper about one year ago with all the works, and to this day I have yet to have a single failure. It shoots well, handles well, and is precise. All i have to do is take care of it and it will take care of me. (Posted on 12/14/2019)

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