Fostech Complete Bolt Carrier Group Black
Sale
$
136.99
$204.19
Save $67.20 (33% Off)
Fostech Complete Bolt Carrier Group Black, This is a standard full-auto M16 cut bolt carrier group. It is designed to function with the Echo AR-II and the Echo Sport.
Bolt Assembly
Bolt: Shot Peened; Magnetic Particle Inspected and Marked
Bolt Material: 9310 Alloy Steel
Compatibility: .223 / 5,56 / 300BLK
Extractor: Shot Peened Hardened Tool Steel
Extractor O-Ring: Viton, Mil-Spec
Gas Rings (3): Mil-Spec
Finish: BLACK NITRIDE
Bolt Carrier
Material: 8620 Steel
Design: Heavy Profile M16 Style
(Preferred for most AR-15 Builds)
Gas Key Screws: Grade 8; Properly Torqued and Staked to Mil-Spec
Gas Key Material: 4130 Steel
Finish: BLACK NITRIDE
Cam Pin
Material: 4140 Steel
Finish: BLACK NITRIDE
Firing Pin
Material: 8740 Steel; Centerless Ground; Hard Chrome Plated
Weight: 11.6 Ounces
100% USA Made