300 Blackout AR 15 Upper Assembly – 16″ Parkerized Heavy Barrel, 1:8 Twist Rate with 15″ M-LOK Handguard

Description

Please note: We strive to provide the most accurate photographs of our product wherever possible. Due to availability limitations and supply chain constraints, slight variations of the handguard of this upper assembly may occur in the aesthetics of the skeletonizations in between the M-LOK sections.

For the longrange shooter who demands a do-it-all AR with a .30-cal. This 300 Blackout build kit provides a lightweight rifle that can shoot suppressed or un-suppressed with supers and subs all day (and night, for the hogs). With a 16″ barrel forged from 4150 CMV with a 1:8 twist providing optimal velocity and stability for all grains and loads, this upper assembly yields MOA accuracy in any configuration.

What’s Included

This is not a firearm. It includes an assembled upper receiver, bolt carrier group, and a charging handle.

300 BLK Upper Assembly Specs

Barreled uppers are assembled in-house before shipment.

Barrel

• Chamber: .300 AAC Blackout
• Contour: Heavy
• Length: 16”
• Twist Rate: 1:8
• Gas System: Pistol
• Gas Port: 0.750”
• Gas Hole Dia.: 0.070”
• Muzzle Threads: 5/8×24
• Feed Ramps: M4
• Material: 4150 CMV
• Finish: Parkerized
• Process: Button Rifled
• Lining: None
• Extension: M4
• Muzzle: A2 “Birdcage” Flash Hider

Handguard

• Attachment System: 15″ M-LOK
• Finish: Type III Hardcoat Anodized (Mil-Spec)
• Top Rail: M1913 Picatinny
• Material: Billet 6061-T6 Aluminum
• Attachment: Barrel Nut 

Upper Receiver

• Profile: M4 Flattop
• Material: Forged 7075-T6 Aluminum
• Finish: Type III Hardcoat Anodized (Mil-Spec)

Bolt Carrier Group

• Profile: M16/Full-Auto
• Steel: 9310 Tool, HPT/MPI-tested
• Exterior: Black Nitride
• Interior: Black Nitride
• Gas Key: Staked
• Charging Handle: Included

Lower receiver not included.