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Jacob Grey Firearms 7.62x39 Threaded AR Heavy Barrel Includes Blazin' Deal w/ Free S&H — 2 models

Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39, 7.5in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 7623975HB
Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39, 10.5in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 76239105HB
Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39, 7.5in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 7623975HB
1 of 2 images
Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39, 7.5in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 7623975HB
Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39, 10.5in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 76239105HB
2 of 2 images
Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39, 10.5in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 76239105HB

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Customer Reviews
Helpful Positive Review
nice barrel, even nicer packaging. by Jonny300, Verified Owner, August 17, 2022
Wow first off ups and usps beat the heck out of the optics planet box. It was ripped open and bent and dented. So I was pleasantly surprised to find the barrel in a premium box and packaged incredibly well. Jacob Gray has really made an impression on...
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9/11 found this helpful
Most Recent Reviews
incorrect description by the big B, Verified Owner, August 29, 2025
No major issues with the barrel itself, but the description stating that the gas system is carbine is incorrect as it is actually pistol length. The description also states that it is double dimpled when it is only single dimpled. The gas port positi...
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Product Info for Jacob Grey Firearms 7.62x39 Threaded AR Heavy Barrel

The Jacob Grey AR-15 heavy parkerized 7.6239 barrel has a carbine length gas system with a 1:10 twist rate. Our 7.6239 parkerized rifle barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy. They are then hardened and stress relieved to withstand the effect an AK round can give a barrel. Use a Jacob Grey AR barrel in your next AR15 build and experience superior performance backed by a lifetime warranty against defects!image

All finished barrels go through a 100% inspection process. Inspections equipment includes CMMs and Air Gauges for the bores as well as visual and machine inspection.

Jacob Grey recommends an enhanced firing pin and Winchester 123gr ammunition with our 7.6239 barrels. H3 Buffers and heavy-duty bolt extractors are also recommended in any AR-platform rifle firing this round.

Specifications for Jacob Grey Firearms 7.62x39 Threaded AR Heavy Barrel:

Manufacturer: Jacob Grey Firearms
Color: Black
Finish: Parkerized
Fabric/Material: 4150 CMV
Caliber: 7.62x39mm
Barrel Profile: Heavy
Gas Block Journal Size-Diameter: .750 in
Threads per Inch: 5/8x24
Barrel Twist Rate: 1-10
Barrel Material: 4150 Chrome Moly Vanadium
Flutes: No
Gun Make: AR Platform
Gun Model: AR-15
Gas Block Journal Size-Length: 1.9 in

Features of Jacob Grey Firearms 7.62x39 Threaded AR Heavy Barrel:

  • Feed Ramp: .300 Blackout Feed Ramp;
  • Dimpled: Double Dimpled;
  • Warranty: Lifetime

Package Contents:

  • Jacob Grey Firearms 7.62x39 Threaded AR Heavy Barrel

What firearm models does the manufacturer say Jacob Grey Firearms 7.62x39 Threaded AR Heavy Barrel is compatible with?

The manufacturer says that Jacob Grey Firearms 7.62x39 Threaded AR Heavy Barrel is compatible with AR-15

Jacob Grey Firearms 7.62x39 Threaded AR Heavy Barrel Orderable Models

List of Orderable Models

  • Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39, 7.5in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 7623975HB , MPN: 7623975HB , UPC: 850030294357 , Code: 4M6-ATB-VR1-7623975HB
  • DEMO, Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39, 10.5in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 76239105HB , MPN: 76239105HB-DEMO , Code: 4M6-ATB-VR1-76239105HB-DEMO

Jacob Grey Firearms 7.62x39 Threaded AR Heavy Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39,16in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 7623916HB , MPN: 7623916HB , UPC: 850030294296 , Code: 4M6-ATB-VR1-7623916HB
  • Jacob Grey Firearms Threaded Rifle Heavy Barrel, AR Platform, AR-15, 7.62x39, 10.5in, Carbine Length, 1-10 Twist, 5/8x24 Thread, Black, 76239105HB , MPN: 76239105HB , UPC: 850030294258 , Code: 4M6-ATB-VR1-76239105HB
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