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Ar-15 Bolt and Carrier Group with Erathr3 Logo

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Ar-15 Bolt and Carrier Group with Erathr3 Logo

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Availability: In stock

Regular Price: $210.00

Special Price: $202.44


Quick Overview

Bolt Specs:

  • 9310 Case Hardened Steel

  • Shot Peened & Manganese Phosphate

  • 4340 Steel Extractor, Manganese Phosphate coated

  • MPI & HPI Tested

  • Mil-Spec Extractor Spring, Black O-Ring & Black Insert


The enhanced bolt carrier set-up assists in reduced carrier tilt/cant during recoil, increasing reliability by adding structure to the rear of the carrier.  These are held to much higher tolerance than standard mil-spec carrier groups.

Carriers specs:

  • Case-hardened 8620 steel 
  • Black Nitrided
  • 4130 Steel Gas Key, torqued and properly staked 
  • Hardened 4340 cam pin
  • 8740 Mil-Spec firing pin, Hard Chrome coated

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