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- NiB Billet Extractor
This Bolt carrier group will hold up in the harshest conditions and outlast and compete with the best BCG's on the market
Bolt made from 9310 Vac-Arc steel mag phos coated
Carrier made with 8620 Steel and bolt made from 9310 Vac-Arc Premium Carburizing Steel which has a high core hardness and high fatigue strength unlike standard Hot/cold rolled 9310 steels
MPI tested
Gas Key Nickel Boron 308components - NiB Billet ExtractorInvestment Cast with Secondary Machining Shot Peened Nickel Boron Coated
