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PRI AR-15 Mark 12 Mod H Upper Receiver Assembly 5.56x45mm 16″ Barrel



Product Information

Cartridge 5.56x45mm NATO
Finish Flat Dark Earth
Material Aluminum
Weight 5.7 Pound
Barrel Length 16 Inches
Twist 1:7 Inches
Threads 1/2″-28
Barrel Contour Standard
Sights Yes
Barrel Finish Flat Dark Earth
Chrome Lined No
Gas Block Diameter 0.75 Inches
Gas System Length Rifle
M4 Feed Ramps Yes
Upper Receiver Type A4 Flat-Top
Barrel Material 416 Stainless Steel
Handguard Recce Top Rail
Bolt Carrier Assembly Included Yes
Muzzle Device AE Muzzle Brake
Mil-Spec or Commercial Commercial
Country of Origin United States of America
Compatible With

Delivery Information

Shipping Weight

6.565 Pounds

Product Overview

The PRI Mark 12 Mod H Upper Receiver Assembly is a ready to shoot 5.56 upper with MOA accuracy. The Mark 12 Mod H Upper is equipped with a 16″ Douglas 416 stainless steel barrel with a fitted bolt, and commercial bolt carrier. The Mark 12 Mod H has a flat-top picatinny receiver, PRI rail mounted flip up front and rear sights, and rifle length gas tube. It also comes with a Gas Buster charging handle with a military big latch and AE Muzzle Brake with collar. The Mark 12 Mod H comes equipped with a forearm and Reece top rail that connects to the forearm rail.


  • Forged Upper Receiver T6 7075 Hard coat anodized aluminum
  • Douglas 416 stainless steel 16″ Barrel with M4 feed ramps
  • Rifle Length Forearm with Black or FDE Finish
  • Reece Picatinny Top Rail with Flip Up Front and Rear Sights
  • 1/2″x28 Thread with AE Muzzle Brake and Collar
  • Overall Length of 25″
  • Only 5.7 Pounds

Made In United States of America


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