AR-15 18" Match Mid-Gas .750 dia H-Bar Barrel ($195)

18"  MATCH Mid-Gas H-bar, Med. Wt. Barrel is made from durable 4150 chrome moly vanadium, 5.56 NATO Chamber, 1 in 9 twist 6-groove, stress-relieved, turned on center for precision accuracy and functioning, head spaced and parkerized. Barrel includes (M4 cut feedramps) extension, alignment pin, gas port hole drilled at mid-gas length, utillizing a .750 dia gas block Gas block/FSB (not included; sold separately) Nitro Carburized*

 

*Nitro carburized interior and exterior finish which is also applied to the barrel extension and gas port during heat treating and creates a monolithic black finish that is superior to hard chrome. The process does not add material to the internal dimension of the bore, increasing surface hardness to between 58-65 HRC, lowering bore friction, enhancing surface lubricity, improving running wear performance, enhancing corrosion resistance and heat resistance over industrial hard chrome.

Barrel is not chrome lined.

Made in the USA

 

Detailed Specs:

Caliber: 5.56 NATO

Length: 18"

Contour: HBAR

Twist Rate: 1x9

Muzzle: 1/2"-28 Threaded / Crowned

Diameter at Gas Port: .750"

Gas Type: Mid

Material: 4150 CMV Steel

Rifling: Button / 6 Groove

Finish: Nitro Carburized

Weight: 2 Lb. 11.7 Oz.

AR-15 18" Match Mid-Gas .750 dia H-Bar Barrel ($195)
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  • Item #: 4250918NITROMG
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