M16 Bolt Carrier Group- 5.56 Billet Extractor Nitride C158

Description

• 8620 M16 style carrier
  
  
  
  • H&M Black Nitride finish
  
  
  • Properly heat treated
  
  
  • Final grind before plating


• Carpenter 158 5.56/.223 bolt
  
  
  
  • Heat treated
  
  
  • Shot peened
  
  
  • Precision ground for perfect dimensions
  
  
  • 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