JG 5.56 NATO High Polished PVD BCG – Silver

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.
SPECIFICATIONS:

• • 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