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$176.99
$149.99

In Stock SKU: 10052

MODEL/DESC: 5.56 / 300 BO Black Nitride



Complete Black Nitride Bolt Carrier Group. Smooth & Protective Nitride coating. 



5.56/223 & 300 Blackout BCG 




  • 8620 M16 style carrier

    • H&M Black Nitride finish

    • Properly heat treated

    • Final grind before plating



  • 9310 5.56/.223 bolt

    • Heat treated

    • Shot peened

    • H&M Black Nitride finish

    • MPI



  • 4140 billet gas key

    • H&M Black Nitride Finish

    • Properly seated with Grade 8 fasteners

    • Properly staked to ensure reliability



  • 4140 Cam Pin nitride treated for wear resistance

  • Billet Machined Extractor

    • Machined from solid 4140 bar stock, heat treated and shot peened

    • Phosphate coated for reliable extraction

    • Extractor insert included

    • O-Ring included



  • Firing pin precision machined from 17-4 H-900 Stainless Steel

  • 100% USA Made





 


Complete Black Nitride Bolt Carrier Group. Smooth & Protective Nitride coating. 

5.56/223 & 300 Blackout BCG 

  • 8620 M16 style carrier
    • H&M Black Nitride finish
    • Properly heat treated
    • Final grind before plating
  • 9310 5.56/.223 bolt
    • Heat treated
    • Shot peened
    • H&M Black Nitride finish
    • MPI
  • 4140 billet gas key
    • H&M Black Nitride Finish
    • Properly seated with Grade 8 fasteners
    • Properly staked to ensure reliability
  • 4140 Cam Pin nitride treated for wear resistance
  • Billet Machined Extractor
    • Machined from solid 4140 bar stock, heat treated and shot peened
    • Phosphate coated for reliable extraction
    • Extractor insert included
    • O-Ring included
  • Firing pin precision machined from 17-4 H-900 Stainless Steel
  • 100% USA Made

 

UPC
MODEL 5.56 / 300 BO Black Nitride
FEATURES

Complete Black Nitride Bolt Carrier Group. Smooth & Protective Nitride coating. 

5.56/223 & 300 Blackout BCG 

  • 8620 M16 style carrier
    • H&M Black Nitride finish
    • Properly heat treated
    • Final grind before plating
  • 9310 5.56/.223 bolt
    • Heat treated
    • Shot peened
    • H&M Black Nitride finish
    • MPI
  • 4140 billet gas key
    • H&M Black Nitride Finish
    • Properly seated with Grade 8 fasteners
    • Properly staked to ensure reliability
  • 4140 Cam Pin nitride treated for wear resistance
  • Billet Machined Extractor
    • Machined from solid 4140 bar stock, heat treated and shot peened
    • Phosphate coated for reliable extraction
    • Extractor insert included
    • O-Ring included
  • Firing pin precision machined from 17-4 H-900 Stainless Steel
  • 100% USA Made


 

TITLE Complete BCG Black Nitride 5.56 / 300 Blackout

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