Hello from the Peoples Republic of New Jersey. I was looking on the SIG webpage at the P320. I have a P250 and love it and i saw that the frames are interchangeable which really intrigues me. I have it .40 with the .357 barrel and would get the P320 in 9mm. i would be able to make the 320 a .40 or .357 and vise versa. just bought a P229. I have 1 permit left and think I want the P320 or the XD MOD 2. Yea i said permit read the first line of this post nuff said. It stinks and also I bought the P229 2-14-2017 so i need to wait 30 days. Yea another perk from New Jerkastan I am originally from Pennsylvania but, work brought me here can't wait to get back to the land of the free. Any feedback on the 320 is appreciated. thanks in advance.