Originally Posted by Doug M.

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Wilson does not make reduced capacity mags for the KZ9/Spec 9 line, and for good reason. There is a long history of reduced capacity mags not working correctly, and that is such a limited production line of pistols anyway that there is no measurable market. It is not going to happen, and you will for all intents and purposes be unable to make use of this fine pistol in NY. (I have a KZ 9 and really like it, although I rarely carry it anymore.)
While Sig does make the 10 round mags, the long history of problems with such mags seems to be universal. The guns were not designed around them.
The same crud applies to retirees under LEOSA - only NY and federal retirees are exempted, which was a later amendment. I was in Rochester a few weeks ago for a family event and did not take my G33, even though I could have down loaded it 2 rounds. I did not want to have a moment of cranial flatulence. I took revolvers.
I know you have family reasons to want to move back, but frankly, I would encourage them to move and never go back, or least do the visiting to you, someplace rational, like Idaho. If you do move there, keep most of your guns out of state, get non-resident carry licenses for the rest of the north east (I don't think RI does that, but ME/MA/CT/NH do, and you don't need a license in VT), the Florida and Utah non-resident licenses, and remember not to carry the standard capacity guns back into NY.