FREE SHIPPING for orders over $75!Shop Now


JG 5.56 NATO High Polished PVD BCG – Silver


  • Abrasion Resistant
  • Chemical Resistant
  • Corrosion Protection
  • Extreme Hardness
  • Extreme Temperature Resistant
  • High Wear Resistant
  • Oil & Fuel Resistant

The Jacob Grey PVD (Physical Vapor Deposition) processes are designed to provide reduced friction, lower operating temperatures and increased overall performance and BCG life. Don’t be fooled by claims of 1- or 2-year warranties from other manufacturers. Our bolt carrier groups 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.

    • Bolt: 9310 Steel, MPI, shot peened, and PVD Coated.
    • Bolt Carrier: 8620 Steel, shot peened, and PVD Coated.
    • Bolt Carrier Style: M16 Full Auto
    • Gas Key: 4130 Steel, attached with Grade 8 hardware, properly staked, sealed, and PVD Coated.
    • Firing Pin: 8740 Steel, center‐less ground and Hard Chrome coated.
    • Extractor: 4140 Steel and PVD Coated.
    • Cam Pin Material: 4140 Steel
    • Mil-Spec Ejector Springs, Firing Pin, Retaining Pin, Gas Rings, O-Ring
    • Mil-Spec Heat Treated
    • Compatible with: Most AR-15/M16/M4 style rifles
    • Chamber: .223/5.56/300 Blackout/.350 Legend
    • Length: 7.5″
    • Weight: 11.7 oz.
    • Lifetime warranty

No attribute set

No attribute set

Standard Equipment

No standard equipment set

Similar Firearms

JG10 - The Finest AR10

The JG10 is the finest precision-manufactured AR10 rifle on the market. The focus on quality in the design and weight of this AR10 has resulted in an outstanding example of American craftsmanship that is second to none.

JG15 - The Next Level in AR15 Precision

Jacob Grey crafts a full gallery of Complete AR15 Rifles, Pistols, Receivers & Builder Kits. All are individually CNC Machined from billet aluminum and tolerance to meet all Mil-Spec standards. Built to last a lifetime.

JG15 - When you need an AR15 ULTRALIGHT

The Jacob Grey Ultralight Rifle was designed with the next-generation AR15 in mind. This AR15 rifle is built around the 7075-T6 billet lower receiver specifically machined and cut in areas where excess material was unnecessary and areas that see excess use and wear, reinforced and strengthened to give a sleek, refined look, without losing the classic lines of the AR15 platform. The same consideration was given to the matching billet upper receiver.

JG9 - the AR9 You've Always Wanted

The JG9 is the best precision-manufactured AR9 out there. Our AR9 rifles are all individually crafted from billet aluminum to Mil-Spec standards.