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NBS .223/5.56/300BLK M16 Profile Left-Handed Bolt Carrier Group Black Nitride - AR15-Left-Handed-Bolt-Carrier-Group

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MSRP: $149.95
$129.95

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SKU: 4837 Categories: ,
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 11.408 oz
Bolt Material

9310 Steel
Cartridge Compatibility

.223/5.56 NATO/.300 BLK
Finish

Salt Bath Nitride
Carrier Profile

Left Hand
High Pressure Tested

Untested
Magnetic Particle Inspected

Magnetic Partical Inspected
Platform

AR-15
Bolt Finish

Nitride / Melonite
MPN AR15-Left-Handed-Bolt-Carrier-Group
UPC 4837