Aero Precision PRO Series AR-15 Black Nitride Bolt Carrier Group

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Go PRO – The Best BCG that Aero Precision has to Offer

The Aero Precision PRO 5.56 Bolt Carrier Group represents the best value for the most prolific, high-volume shooters. Each component’s material has been carefully chosen to ensure a long service life, reliable function, and minimized wear. This is the BCG that can stand up to an aggressive firing schedule, with an easy to clean Black Nitride finish on basically every component.

There are no mystery meat components here – only top quality parts that have been carefully chosen to give you optimal performance.

9310 Steel Bolt – Better than Carpenter 158?

You’ll see a lot of claims online that C158 steel is the only steel for an AR-15 bolt, because that’s what the military uses. Frankly, it’s not true, and that’s why Aero Precision went with 9310 steel for the most important part of the BCG. The bolt is heat treated to provide superior strength and durability, as well as shot peened and MPI tested to ensure the quality.

Specifications

  • Caliber: .223/5.56, .300 Blackout, .350 Legend
  • Finish: Black Nitride
  • Carrier Type: M16/Full Auto Capable (Best for AR-15)
  • Carrier: 8620 Gun Steel
  • Gas Key: 4140 Steel
  • Gas Key Screws: Grade 8, staked
  • Bolt: 9310 Steel, MPI tested, Shot Peened, and Heat Treated
  • Extractor: 4140 Steel
  • Cam Pin: 4140 Steel
  • Ejector: S7 Tool Steel
  • Firing Pin: 8640 Steel, Black Nitride Treated
  • Mil-Spec O-Ring and Gas Rings
  • Weight: 11.5 oz.
  • Country of Origin: USA

Have Questions About this Product?


The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Aero Precision Warranty

If for any reason you have a warranty issue with one of our products, please contact us at 253-272-8188.

Please describe your situation, include your name and order number or transaction id. One of our technical specialists will then review your claim and contact you within 3-5 business days.

If you have images to send, please email them to support@aeroprecisionusa.com

Damaged Items

In regards to claims dealing with damaged or blemished products, we ask that you create a Help Desk Ticket on your My Account page. If you don’t have an account with us, please go to the Contact Us page and fill out the form for review within 72 hours upon receiving the shipment.

If you have images to send, please email them to support@aeroprecisionusa.com

Failed Background Check

There will be a 30% restocking fee on all lower receivers returned because of failed background checks.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.