How do you change gun registration in Iowa?
You would have to wait until their actually is a gun registration before this question could even be relevant in any way. As with most states, Iowa doesn't require registration of ordinary Title I firearms.
If you are in the U.S. the basic answer is, you can't. Most states don't require registration, regardless of what you hear. "Gun registration" may be the single most mis-used phrase ever. Also, there is no federal registration. In the few U.S. states that do require registration, the information is not available to the general public.
Generally speaking, no. A few states, 5 or 6, require gun registration, but in most of the U.S. there is no registration. The 4473 form you fill out stays at the gun shop for 20 years, then after that, the gun shop can shred and dispose of the forms, but that isn't the same thing as having to register the gun.
It depends on where you are. Most states do not require registration and there is no national registration. If you live in one of the few states that requires it, you have to sell your gun through a gun store. Otherwise, you can sell a gun to another person with no paperwork as long as the other person can legally own a gun. You do still have the option of selling through a gun store…
registration and background checks when purchasing a gun It doesn't require "registration" but it does require a 4473 form to be completed and a background check to be performed when purchasing a gun from a gun store. In many states, it's perfectly legal to sell a gun between individuals with no paperwork.