Aero Precision .308 Win Bolt Carrier Group is a single part or accessory for AR-pattern rifles, listed with the part name as the maker uses it.

What is listed: Made from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt); Gas Key: Made from 4130 Steel, attached with Grade 8 hardware, and properly staked; Firing Pin: Made from 8740 steel and hard chrome coated; Fits AR .308 compatible uppers and rifles; Material: Case-hardened 9310 Steel; Extractor: Made from 4340 Steel with double O-rings and double springs.

Imbert & Smithers Arms covers 55 counties, the Panhandles to the coalfields. Parts ship to your door where legal; check your state and local law before you order. We confirm price and availability at checkout, before payment.

Fitment is the most common reason a part is returned. Check the platform in the title, compare it with the lower receiver and fire-control group you own, and message us if you are unsure which version you need.

Imbert & Smithers Arms lists this item as a new arrival. The product page shows the maker's name for the item as it was published, the price in US dollars and the photos supplied with it. If something on the page does not match what you need, ask before you pay.

Questions about fit? Match the title to your rifle and trigger type, and ask before you order if anything is unclear. Listed as a new arrival and in stock.