ERGO AR15 M16 Bolt Carrier Group 4958
Ergo

ERGO AR15/M16 Bolt Carrier Group (4958)

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SKU:
ERGO-4958
UPC:
874748007849
MPN:
4958
  • ERGO AR15/M16 Bolt Carrier Group (4958)
  • ERGO AR15/M16 Bolt Carrier Group (4958)
  • ERGO AR15/M16 Bolt Carrier Group (4958)
$165.90

Out of stock

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Description

  • True Mil-Spec Bolt Carrier Group
  • 100% Made and Assembled in the USA
  • Black Nitride Finish
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Warranty Information

Material Case Hardened 8620 Steel
Finish Black Nitride
Gas Key 4130 Steel attached with Grade 8 hardware and properly staked
Cam Pin Hardened 4340 cam pin
Firing Pin Mil Spec firing pin made of 8740 steel, center-less ground and Hard Chromed
Bolt Assembly The Bolt is Mil Spec dimension and external surfaces are CNC ground after heat treat for a precision fit
Bolt Material Case Hardened 9310 Steel
Finish All Bolt components Shot Peened and Black Nitride (except extractor)
Extractor 4340 Steel , Manganese Phosphate coated
Mil Spec Extractor Spring and O-Ring Combination
MPI Magnetic Particle Inspected
Bolt 9310 material, shot peened, MPI tested and hard engraved
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Additional Information

Activity:
Hunting, Shooting
Finish:
Black
Firearm Fit:
AR-15, M16
Product Type:
BCG's & Bolts
Serialized Item:
F
Department:
Firearm Parts
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COMPATIBLE ACCESSORIES

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