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Questions & Answers
what is the bore diameter? .308 or .310?

DEZ Tactical does not provide the specific bore diameter outside of stating "the pulled-button rifling produces a superbly accurate bore diameter." To get a more specific answer on the bore diameter, I would recommend contacting DEZ Tactical Arms directly by phone or email.
Email: info@deztacticalarms.com
Gunsmith/Technical Support: (608) 547-9907

by Brandon, Verified Owner, February 26, 2021
Is this a .308” bore or .311/.312”? Expert Answer

DEZ Tactical does not provide the specific bore diameter.

by Julia, Gear Expert, December 17, 2020
Customer Reviews
Helpful Positive Review DEZ Arms AR15 7.62X39 H-Bar by me, Verified Owner, April 7, 2021
Beautiful looking barrel. I have not installed it yet, but quality looks very good. This barrel comes with M4 feedramps, unlike the A2 Colt units. I will probably build this one to keep and sell my Colt 7.62X39. The 5.56 stuff is getting very hard to...
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3/3 found this helpful
Most Recent Reviews nice barrel by bubba, Verified Owner, November 28, 2021
The strait fluted barrel really gave my ar the look with the Odin works handguard looks really clean and it’s for sure a heavy barrel, matched it with a fail zero bcg that has no issue, have shot brass case and steel case ammo and not an issue
Most Recent Reviews good looking barrel by Mac, Verified Owner, March 1, 2021
This barrel looks to be a good value for the money, the fluting looks good. I am still waiting on my back orders Faxon BCG so I cannot verify heap space or performance at this time. Looks good though and I was happy to find one in stock.
Read All 3 Reviews
Color: Black Finish: Nitride Caliber: 7.62x39mm Barrel Length: 16 inBarrel Profile: HBAR Contour Gas System Length: Carbine Length Threads per Inch: 5/8x24 Barrel Twist Rate: 1-10 Flutes: Yes Gun Model: AR-15 Additional Features: Straight Fluting Included Accessories: Includes M4 feed ramped extension

Code: 3H8-ATB-AR15SBH-425090NITROF-7-62X39

MPN: 425090NITROF_7.62X39

UPC: 751778883554

Product No Longer Available

Product Info for DEZ Arms AR-15 Straight Flute 7.62x39 Barrel w/HBAR Contour

DEZ Arms' custom machined match barrels are made from 4150 chrome-moly vanadium steel. Barrel are head spaced with M4 feed ramped extension installed, pre drilled gas port hole with parkerized finish. Barrels are particle tested, air gauged, concentrically cut and muzzle threaded 0.6in x 24. twist to accept flash hiders/suppressors, stressed relieved, turned on center to prevent accuracy robbing distortion when the barrel heats up, and hardened to 26-33 Rc giving the barrel a long life. The 11 degree crown, polished chamber and lapped bore makes the difference! Our pulled-button rifling produces a superbly accurate bore diameter with uniform rate of twist.image

YOUR choice of fluting: Twister or Straight Flute. Our unique fluting designs improve rigidity and aid in barrel cooling. The pulled-button rifling produces a superbly accurate bore diameter with uniform rate of twist. The match barrel is machined to tighter specifications producing a tighter fit for greater accuracy. This barrel uses a mid length gas tube, mid length hand guard, .750 dia. gas blocks, and front sight (not included).

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.

Optional flash hider and bolt (no carrier) (NOT INCLUDED: sold separately)

Package Contents:

  • DEZ Arms AR-15 Straight Flute 7.62x39 Barrel w/HBAR Contour

Magazine and Accessories

121 / 21
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Gunsmithing Tools & Accessories

114 / 14
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Gun Triggers

116 / 16
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Gun Parts and Accessories

130 / 30
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Gun Barrels

113 / 13
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Gun Sights

119 / 19
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Gun Stocks

117 / 17
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Mounts, Rings and Accessories

118 / 18
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Related Products to DEZ Arms AR-15 Straight Flute 7.62x39 Barrel w/HBAR Contour

DEZ Arms AR-15 Straight Flute 7.62x39 Barrel w/HBAR Contour Unavailable & Discontinued Models

List of Unorderable Models

DEZ Arms AR-15 7.62x39 Match-Grade Barrel, 16 inch, HBAR Contour w/Straight Fluting, Carbine Length, Nitride, Black, 425090NITROF-7.62X39 , MPN: 425090NITROF_7.62X39 , UPC: 751778883554 , Code: 3H8-ATB-AR15SBH-425090NITROF-7-62X39
DEZ Arms AR-15 7.62x39 Match-Grade Barrel, 18 inch, HBAR Contour w/Straight Fluting, Mid Length, Nitride, Black, 4250918NITROMGF-7.62X39 , MPN: 4250918NITROMGF_7.62X39 , UPC: 751778883578 , Code: 3H8-ATB-AR15SBH-4250918NITROMGF-7-62X39
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