The FCU is the serialized part of the gun, it’s on the right side of the FCU, ie it essentially is the gun for ATF purposes. You can swap frames and slides with the XL if you want a larger gun. I don’t, I bought my 365 for concealability.
Sig should pay your transfer, I know S&W does.
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Sure you did
Last edited by ladder13; 09-11-2020 at 02:30 PM.
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