 
Brand: NBS
NBS .223/5.56/300 BLK Complete Bolt Carrier Group – Nickel Boron
From $125.95
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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:Â 11.6 oz
- Length: 7.5″
- Finish: Â Nickel Boron (NiB)
- USA Made
- Covered by NBS Limited Lifetime Warranty
Additional information
| Weight | 5.232 oz |
|---|---|
| Options | w/ Logo, w/o Logo |
| Bolt Material | 9310 Steel |
| Finish | Nickel Boron |
| Cartridge Compatibility | .223/5.56 NATO/.300 BLK |
| Carrier Profile | M16 |
| High Pressure Tested | Untested |
| Magnetic Particle Inspected | Magnetic Partical Inspected |
| Platform | AR-15 |
| Bolt Finish | Nickel Boron |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
