Hard Chrome 5.56 Bolt Carrier Group (BCG) Incredibly stunning look, thanks to the bright Chrome finish used on the surface of the carrier and bolt. The carrier is made using 8620 tool steel, while the bolt head is machined from durable 9310 tool steel.The bolt is magnetic-particle inspected to ensure that consumers get the best-possible components, and the carrier itself is heat-treated for added durability. Bolt-carrier group weighs 12 ounces.Designed for use in 5.56 NATO, .223 Rem., .300 Blackout and .204 Ruger AR-15s Includes M16 carrier notch for reliable performance in full-auto rifles
Specifications:
M-16 Style Carrier:
Machined from 8620 Steel
Heat Treated
Final Grind Before Plating
Hard Chrome Coating
5.56/.223 Bolt:
Machined from 9310 Steel
Shot Peened
MPI
Black Nitride™ by H&M
Billet Gas Key:
Machined from Solid Billet of 4140 Steel
Properly Seated with Grade 8 Fasteners
Properly Staked
Cam Pin:
Machined from 4140 Steel
Billet Extractor:
Phosphate Coated
Extractor Insert Included
Firing Pin :
Machined from 8640 Steel
Hard Chrome Plated
100% American Made