NBS Complete Bolt Carrier Group .223/5.56/300 BLK Nickel Boron
$125.95 0 in
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Specifications
Caliber
MSRP
$125.95
Overall Length
7.5"
Weight
11.6 oz
Finish
Nickel Boron
Fits
M16/AR-15 style carrier for .223/5.56/300 BLK
Material
8620 tool steel carrier, 9310 tool steel bolt, S-7 tool steel extractor, 17-4 stainless gas key and firing pin
Platform
AR-15
Description
NBS Nickel Boron Bolt Carrier Group for .223/5.56/300BLK Carrier M16 style (Auto) Machined from 8620 tool steel Heat treated to mil spec Bolt Machined from 9310 tool steel Heat treated to military specifications Shot Peened MPI (Mag Particle Inspected) Gas Key Machined from 17-4 Stainless Steel Heat treated to mil spec Extractor Machined from S-7 shock resisting tool steel Heat treated to mil spec Shot peened Extractor spring is made of stainless steel music wire Firing Pin Machined from 17-4 stainless steel Heat treated to milspec Specifications Weight: 11.6 oz Length: 7.5 Finish: Nickel Boron (NiB) USA Made Covered by NBS Limited Lifetime Warranty