JG 7.62×39 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
• Bolt Face Depth: .125 (measured face to end)
• Gas Key: 4130 Steel, attached with Grade 8 hardware, properly staked, sealed, and PVD Coated
• Cam Pin: 4140 Steel, Manganese Phosphate coated.
• Enhanced Firing Pin: 8740 Steel, center‐less ground and Hard Chrome coated.
• Extractor: JG Enhanced Shock Resistant Extractor
• Mil-Spec Extractor and Ejector Springs, Firing Pin Retaining Pin, Gas Rings
• Mil-Spec Heat Treated
• Length: 7.5″
• Weight: 11.7 oz.
• Lifetime warranty