YES ! and the $499 is only for the kit. buying it is legal, assembling it will land you in jail unless you have a 16+ inch barrel
Even there it sounds sketchy. 2 problems,
1, if all I have to do is take the 2 seconds to replace the 4" barrel with the 16" is that going to fly with ATF. If I recall TC guns had to make it impossible to put fixed stocks on their pistol models.
2 Will the recoil spring and guide rod handle the weight of a 16" barrel even if it is legal? I think I'll wait for the factory model.
FQ13