FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Questions & Answers
Has anyone used this in a ks-47 build and have it work reliably? Manufacturer Answer

Our firearm accessories are common Mil Spec. It should work, but I cannot guarantee it will work in other manufacturers product.

by Jacob Grey, Manufacturer, October 24, 2023
Does this come with an enhanced firing pin and the other components of a BCG? Expert Answer

The Jacob Grey Firearms 7.62X39 Bolt Carrier Group specifications include:
HP proof testing, 100% using a high pressure M197 or SAAMI commercial equivalent.
MPI testing after above, 100% inspection per ASTM E1444 using a standard 5 turn magnetizing coil.
Bolt precision machined from 9310 alloy; carburized/case hardened & shot peened (PVD Coated)
Gas Rings; Steel Corrosion Resistant
Extractor: machined 4140 Tool steel alloy (PVD Coated)
Precision machined Extractor Pin and Pin
Extractor Spring; 5 coil, ASTM Grade A 228 wire stock, stress relieved, Extractor Spring O-Ring.
Ejector: S7 shock resistant tool steel alloy, hardened, shot peened.
Ejector Spring: ASTM Grade A 228 wire stock; heat treated, stress relieved.
Carrier machined from 8620 alloy, full auto profile, heat treated, ultrasonically cleaned, hard chrome bore (PVD Coated).

by Ethan, Gear Expert, December 7, 2022
Customer Reviews
Helpful Positive Review Rose Gold Heaven by Sales Team, March 10, 2023
First, the color of this BCG caught my eye. My boyfriend and I are in the process of building a 16 inch 7.62x39. He was sold on the custom extractor this bcg includes. At the end of this build and after taking it our for a test run. We were both impr...
Read More...
3/3 found this helpful
Helpful Negative Review great finish, bad firing pin. by Nick, Verified Owner, April 25, 2024
The firing pin lasted two shots. The coating looks great though.
1/1 found this helpful
Read All 2 Reviews

Product Discontinued by Manufacturer

Jacob Grey Firearms 7.62X39 Bolt Carrier Group (BCG)s has been discontinued by Jacob Grey Firearms and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Parts, Bolt Carrier Groups yourself to try and find the perfect replacement for you!

Product Info for Jacob Grey Firearms 7.62X39 Bolt Carrier Group (BCG)s

The Jacob Grey processes are designed to provide reduced friction, lower operating temperatures and increased overall performance and BCG life. Dont be fooled by claims of 1- or 2-year warranties from other manufacturers. Our Bolt Carrier Group BCG are backed by our lifetime warranty. Should our products fail to function properly, return it for a brand-new replacement. Jacob Grey has taken years of experience in aerospace engineering and experience and applied to our firearms, parts, and accessories. To not only provide you with the most advanced technology in firearms coatings but supply a component that effectively works time and time again.image

Advantages:

Abrasion Resistant

Chemical Resistant

Corrosion Protection

Extreme Hardness

Extreme Temperature Resistant

High Wear Resistant

Oil Fuel Resistant

Features of Jacob Grey Firearms 7.62X39 Bolt Carrier Groups:

  • HP proof testing, 100% using a high pressure M197 or SAAMI commercial equivalent;
  • MPI testing after above, 100% inspection per ASTM E1444 using a standard 5 turn magnetizing coil;
  • Bolt Carrier Style: M16 Full Auto;
  • Extractor: JG Enhanced Shock Resistant Extractor and DLC Coated;
  • Mil-Spec Ejector Springs, Firing Pin, Retaining Pin, Gas Rings, O-Ring;
  • Mil-Spec Heat Treated;
  • Lifetime warranty

Package Contents:

  • Jacob Grey Firearms 7.62X39 Bolt Carrier Groups

Magazine and Accessories

1–17 / 17
Previous
Next

Gun Triggers

1–13 / 13
Previous
Next

Gunsmithing Tools & Accessories

1–14 / 14
Previous
Next

Gun Parts and Accessories

1–54 / 54
Previous
Next

Gun Sights

1–17 / 17
Previous
Next

Gun Stocks

1–17 / 17
Previous
Next

Mounts, Rings and Accessories

1–13 / 13
Previous
Next

Related Products to Jacob Grey Firearms 7.62X39 Bolt Carrier Group (BCG)s

Jacob Grey Firearms 7.62X39 Bolt Carrier Group (BCG)s Unavailable & Discontinued Models

List of Unorderable Models

Jacob Grey Firearms JG 7.62X39 High Polished PVD Bolt Carrier Group BCG, Rose Gold, 762BCGRG , MPN: 762BCGRG , UPC: 850040696752 , Code: 4M6-BCG-7GUCR-762BCGRG
Jacob Grey Firearms JG 7.62X39 High Polished PVD Bolt Carrier Group BCG, Silver, 762BCGSLV , MPN: 762BCGSLV , UPC: 850040696769 , Code: 4M6-BCG-7GUCR-762BCGSLV
Jacob Grey Firearms JG 7.62X39 High Polished DLC Bolt Carrier Group BCG, Black, 762BCGBLK , MPN: 762BCGBLK , UPC: 850040696776 , Code: 4M6-BCG-7GUCR-762BCGBLK
Compare (0)