5.56 Bolt Carrier Group/Nickel Boron <br></br> (USA Made)
 
5.56 Bolt Carrier Group/Nickel Boron

(USA Made)
NiB Bolt Carrier Group Assembly Is Made In The U.S.A.
 
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
 
 
 
 
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  • Weight:  11.6 oz
  • Length:  7.5"
  • Finish:  Nickel Boron (NiB)
  • USA Made
 
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