Fostech Complete Bolt Carrier Group 223/5.56/300 BLK Black Nitride
$136.99 0 in
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Specifications
Caliber
Brand
MSRP
$136.99
Weight
11.6 oz
Finish
Black Nitride
Fits
Echo AR-II, Echo Sport; AR-15 with heavy profile M16 style carrier
Color
Black
Material
9310 Alloy Steel bolt; 8620 Steel carrier
Platform
AR-15
Description
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 AssemblyBolt: Shot Peened; Magnetic Particle Inspected and MarkedBolt Material: 9310 Alloy SteelCompatibility: .223 / 5,56 / 300BLKExtractor: Shot Peened Hardened Tool SteelExtractor O-Ring: Viton, Mil-SpecGas Rings (3): Mil-SpecFinish: BLACK NITRIDEBolt CarrierMaterial: 8620 SteelDesign: Heavy Profile M16 Style(Preferred for most AR-15 Builds)Gas Key Screws: Grade 8; Properly Torqued and Staked to Mil-SpecGas Key Material: 4130 SteelFinish: BLACK NITRIDECam PinMaterial: 4140 SteelFinish: BLACK NITRIDEFiring PinMaterial: 8740 Steel; Centerless Ground; Hard Chrome PlatedWeight: 11.6 Ounces100% USA Made