NBS .223/5.56/300BLK M16 Profile Left-Handed Bolt Carrier Group Black Nitride - $99.95 (Free S/H over $175)

Description

Description
The NBS AR-15 5.56/.223 Left-Handed BCG is the perfect starting point for our wrong-handed friends. This BCG has one of the best black nitride finishes we have seen, and comes in a mil-spec design with a lifetime warranty. The bolt is made from enhanced 9310 steel while the carrier is made from 8620 tool steel. It is shot-peened and magnetic particle inspected.
Included:
- Bolt w/ D2 Extractor
- Bolt Carrier w/ staked Gas Key
- Cam Pin
- Firing Pin
- Firing Pin Retaining Pin
Technical Specs: 
- Gas system: Direct Impingement
- Caliber: 5.56x45mm NATO/.223 Rem, .300 Blackout
- Finish: Salt Black Nitride
- Bolt: 9310 Alloy Steel (High Hardness)
- Carrier: 8620 Aircraft Grade Steel
- Extractor: Shot Peened and Case Hardened D2 Tool Steel
- Firing Pin: Mil-spec 8740 steel with hard chrome finish
- Gas Key: Mil-Spec w/ properly staked Grade-8 screws & Permatex No. 3 sealed
- Cam Pin: 8620 Steel w/ Black Nitride Finish
- Quality Control: MPI Inspected for QC
Weight: 0.0000 oz
Bolt Finish: Nitride / Melonite
Bolt Material: 9310 Steel
Cartridge Compatibility: .223/5.56 NATO/.300 BLK
Finish: Salt Bath Nitride
Carrier Profile: M16
High Pressure Tested: Untested
Magnetic Particle Inspected: Magnetic Partical Inspected
Platform: AR-15
SKU: 4837