7.5" H-Bar Pistol Barrel 300 Blackout 1:7 Nitride | 300AAC

Product Description

Nitride Treated: Read about this process being better than Chrome lined bores

Accuracy Results: (5 Shots @ 100 yards)

1. Supersonic Ammo: HPR HyperClean 110-grain TAC-TX: 0.35" Shot Group
2. Subsonic Ammo: Remington 220-grain OTM: .064" Shot Group !!

Specs:

• Length: 7.5"
• Profile: H-Bar
• Rifling: 1:7 twist, 6 groove button rifled
• Gas Port: 0.11 (.750 ID. dia gas block needed)
• Chamber: 300AAC (300 Blackout)
• Gas Length: Pistol Length
• Treatment: Melonite Nitride 
• Mil spec M4 feed Ramp Cuts
• 5/8 x 24 threading so our .308 brakes will work.
• Weighs 1.28 LBS