NBS .223/5.56/300 BLK Complete Bolt Carrier Group Nickel Boron w/o Logo - $89.95

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
ADDITIONAL INFORMATION

OPTIONS
w/ Logo, w/o Logo

BOLT FINISH
DLC, Mag Phosphate, Nickel Boron, Nitride / Melonite, TiN

BOLT MATERIAL
8620 Steel, 9310 Steel, Carpenter 158 Steel, Stainless Steel

CARTRIDGE COMPATIBILITY
.223/5.56 NATO/.300 BLK, .308/6.5 Creedmoor, .45 ACP, .458 SOCOM, 22LR, 6.5 Grendel, 6.8 SPC/.224 Valkyrie, 7.62×39, 9mm

FINISH
DLC, Mag Phosphate, Nickel Boron, TiN, Salt Bath Nitride, Stainless Steel

CARRIER PROFILE
Enhanced, Lightweight, M16, Other, Semi

HIGH PRESSURE TESTED
HP Tested, Individually HP Tested, Untested

MAGNETIC PARTICLE INSPECTED
Magnetic Partical Inspected, None

PLATFORM
AR-10 / LR-308, AR-15

SKU: 2572