no, this is only the bolt assembly (bolt, gas rings, extractor)
Yes, you can.
No, this listing is just for the bolt. It does not come with the cam pin, firing pin, or cotter pin.
The bolts are made to Mil-Spec standards for a 5.56 bolt so they should work with any Mil-spec barrel. However, tolerances can vary between manufacturers so we recommend checking headspace on any new build to ensure compatibility and fit.
No, it is a right hand bolt.
Standard cam pins work in a Faxon bolt. Please either email us at techsales@opticsplanet.com or reach out directly to Faxon Firearms.
Yes, this bolt is compatible with .223 Remington ammunition.
5.56 bolt carrier groups are made to function with either caliber perfectly fine.