These are genuine Sig OEM Fire Control Units for the P320. They do NOT need to be milled or “completed” before use. Requires Lower Parts Kit, Grip Module, and Complete Upper for a complete build.
Please Note: These parts are registered as 9mm, but will work with 9mm/.357 Sig/.40 S&W parts.
This item is serialized and considered a firearm; it must be shipped via Fedex Overnight to your selected FFL. This is a flat rate, $40 charge which includes insurance.