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Toolcraft AR-10 / 308 / 6.5 Creedmoor Bolt Carrier Group – Black Nitride

Save 14 – 16 %
MSRP: $189.95 – $219.95
From $159.95

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SKU: toolcraft-308-bcg-black-nitride Categories: ,
Description

This Toolcraft 308 / AR10 / 6.5 Creedmoor Black Nitride BCG is trusted by weapons manufacturers and custom rifle builders around the world. Now you too can get this outstanding BCG at a fraction of the cost.

The bolt is CNC machined from heavy duty 9310 alloy steel. 9310 steel has a high core & fatigue strength rating, a high hardenability rating, and when properly treated it is actually about 7% stronger than the “mil-spec” Carpenter 158 steel. The bolt is shot peened (stress relieved) and finished with the same Black Nitride finish as the carrier. The bolt also comes completely assembled with mil-spec gas rings, and a high tensile 4140 steel extractor. The bolt is also Magnetic Partical Inspected (MPI) for quality assurance.

The Black Nitride Carrier is machined from 9310 steel. The gas key is made of QPQ Nitride finished 8620 steel, fastened to the carrier using Grade 8 screws and then properly staked. The carrier also features forward assist serrations.

At the time this was written, these excellent BCGs had hundreds of 5-STAR ratings all over the web. These Toolcraft Inc. BCGs come from the factory with a Lifetime Replacement Warranty. Plus, with the AR15Discounts satisfaction guarantee, you can buy your AR build components without apprehension. Our guarantee says if you are unhappy for any reason, you can send it back to us within 30 days for a full refund. No worries.

Included:

  • Black Nitride Bolt Assembly
    • Available with standard bolt or a High Pressure Bolt featuring a reduced aperture firing pin channel and double ejector. Recommended for 6.5 Creedmoor
  • Black Nitride Carrier w/ properly staked Gas Key
  • Cam Pin
  • 8740 Stainless Steel Firing Pin
  • Firing Pin Retaining Pin

Technical Specs: 

  • Gas system: Direct Impingement
  • Caliber: .308 Winchester / 6.5 Creedmoor / 6mm Creedmoor
  • Finish: Black Nitride  (bolt, carrier, gas key, cam pin)
  • Bolt: 9310 Steel (Magnetic Particle Inspected)
  • Carrier: 8620 Aircraft Grade Steel
  • Firing Pin: Mil-spec 8740 steel with hard chrome finish
  • Gas Key: Mil-Spec w/ properly staked Grade-8 screws & Permatex No. 3 sealed
  • Cam Pin: 8620 Steel w/ QPQ Black Nitride Finish
Additional information
Weight 18 oz
Bolt

High Pressure Bolt, Standard Bolt
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