Posted May 4, 2017 12:33 am by Comments

By Ammoland

Brownells B-Tac Bolt Carrier Group

by Brian (Rev) Norris
With so many to choose from gun writer reverend Norris deals us his picks for the best AR-15 rifle Bolt Carrier Group or BCG parts.

Best Bolt Carrier Group BCG
AmmoLand Gun News
AmmoLand Gun News

USA –

Brownells B-Tac Bolt Carrier Group

This budget option meets the criteria stated above and comes in a nice nitride finish which should perform slightly better than your standard parkerized BCG over time. Actually, I say that it meets the criteria above, but that’s more in the spirit, rather than letter of the law. The steel used is properly hardened, but I don’t think it’s technically Carpenter 158. However, at under $100, an HPT and MPI tested BCG is an unreal value. You should know that many would say that 9310 steel is stronger than C158 anyway.

Brownells B-Tac Bolt Carrier Group Product Description:

  • Fully assembled Bolt Carrier Group; including the bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin
  • Every Bolt is High Pressure Tested (HPT) with a proof load
  • Following the High Pressure Test, every Bolt is Magnetic Particle Inspected (MPI)
  • The Bolt is machined from 9310 steel
  • Following machining, the Bolt is heat treated and shot …Read the Rest

    Source:: AmmoLand

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