Fostech M16 FA Bolt carrier Group Nickel boron BCG MPI 5.56 300BO
Bolt Assembly
Bolt: Shot Peened; Magnetic Particle
Inspected and Marked
Bolt Material: Alloy 9310 Alloy Steel
Compatibility: .223 / .556 / 300BLK
Extractor: Shot Peened Hardened tool Steel Extractor 0-Ring: Viton, Mil-Spec
Gas Rings (3): Mil-Spec
Finish: NICKLE BORON
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
Finish: NICKLE BORON
Cam Pin:
Material: 4140 Steel
Finish: NICKLE BORON
Firing Pin
Material: 8740 Steel; Centerless ground; Hard Chrome Plated
Weight: 11.6 Ounces
100% USA Made
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Please allow 1-3 business days for items to ship once payment and FFL are received.
FFL's can be emailed, faxed or mailed to us. Please reference your name and the item number to prevent any delays in shipping.
Long guns and accessories ship UPS Ground. Handguns are shipped USPS priority mail.
Once payment and FFL are received we will email you a tracking/delivery confirmation number.
NO CREDIT CARD FEES!
Serial numbers will vary.