• Image of Erathr3 Bolt Carrier Group AR-15
  • Image of Erathr3 Bolt Carrier Group AR-15
  • Image of Erathr3 Bolt Carrier Group AR-15
  • Image of Erathr3 Bolt Carrier Group AR-15
  • Image of Erathr3 Bolt Carrier Group AR-15

Erathr3:
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 Nitrided4130 Steel Gas Key, torqued and properly staked Hardened 4340 cam pin8740 Mil-Spec firing pin, Hard Chrome coated

Bolt Specs:

9310 Case Hardened SteelShot Peened & Manganese Phosphate4340 Steel Extractor, Manganese Phosphate coatedMPI & HPI TestedMil-Spec Extractor Spring, Black O-Ring & Black Insert

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