Microbest

Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined

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SKU:
14699
UPC:
14699
Shipping:
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  • Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined
  • Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined
  • Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined
  • Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined
MSRP: $149.95
$134.95
— You save $15.00

Description

Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined

The Microbest BCG has been designed from the ground up with the most avid shooters in mind, using only the best materials available on the market today.  The bolt assembly is machined from Carpenter No. 158® steel, shot-peened, MP marked, HP tested, and has a tool steel extractor that is machined from bar stock.

Features:

  • 4340 Extractor spring, mil-spec insert and extractor retainer pin in mag phosphate
  • Mag phosphate ejector
  • Mil-spec stainless gas rings
  • 8620 carrier in FA profile chrome lined
  • 4130 gas key with grade 8 retainers and sealed
  • 4340 cam pin in mag phosphate
  • 8740 firing pin in hard chrome
  • 1038 retaining pin in mag phosphate
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Additional Information

Bolt Material:
Carpenter 158 Steel
Cartridge Compatibility:
.223/5.56 NATO/.300 BLK
Finish:
Mag Phosphate
Carrier Profile:
M16
High Pressure Tested:
Individually HP Tested
Magnetic Particle Inspected:
Magnetic Partical Inspected
Platform:
AR-15
Bolt Finish:
Mag Phosphate
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