Description

The PRI Mark 12 Mod 0 SPR Upper Receiver Assembly is a ready to shoot 5.56 upper, equipped with a 18″ Douglas 416 stainless steel barrel with a fitted bolt, and commercial bolt carrier. The Mark 12 Mod 0 SPR has a flat-top picatinny receiver, PRI flip up front gas block front sight/rear sight, and rifle length gas tube. It also comes with a Gas Buster charging handle with a big latch and OPS Muzzle Brake with collar. The Mark 12 Mod 0 SPR Gen II comes equipped with a Gen III rifle length carbon fiber free float forearm in either black or flat dark earth finish. The full length top rail comes with an PEQII removable rail section as well.

Features

• Forged Upper Receiver T6 7075 Hard coat anodized aluminum
• Douglas 416 stainless steel 18″ Barrel with M4 feed ramps
• Flip up front sight gas block with 2 cross bolts for securing
• Rifle Length Forearm with Black or FDE Finish
• SPR Straight Fully Length Picatinny Top Rail with SPR PEQ II Removable Rail Section
• Rear Sight designed for the gas block
• 1/2″x28 Thread with OPS Muzzle Brake and Collar
• Overall Length of 27″
• Only 5.2 Pounds

• Product Information

  Cartridge	5.56x45mm NATO
  Finish	Flat Dark Earth/Black
  Material	Aluminum
  Weight	5.2 Pound
  Barrel Length	18 Inches
  Twist	1:8 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	Gen III Carbon Fiber Free Float
  Bolt Carrier Assembly Included	Yes
  Muzzle Device	OPS Muzzle Brake
  Mil-Spec or Commercial	Commercial
  Country of Origin	United States of America
  Compatible With	AR-15

  Delivery Information

  Shipping Weight

  7.205 Pounds