Notifiying ATF about Caliber changes?

[kell490]

I did search for this, but wasn't able to find it. My Sendra m16 clone is registered as .223 with 11.5" barrel if I change it around some different calibers do I have to notify them? I already have a drop in .22 kit, but want to build a 9mm upper for it. I also have a browning 1919 which I want to change to one of the cheap surplus rounds. I never gave them my new address either when I moved a few miles from my old house.

 

[dprice3844444]

just send them a registered letter return receipt of the address change and keep it in your file.they don't care about caliber when it can be changed so readily.don't confuse them

 

[Aaron Baker]

There's no form for in-state address changes. If you move out-of-state, there's a form that needs to be filled out before you take your NFA item out of the state. (Doesn't apply to suppressors.)

You can send the ATF a letter, but it's just a courtesy so that they can keep the registry up-to-date. It isn't required by law.

As for caliber changes, the ATF asks "pretty please" to let them know about "permanent" caliber changes. For an M16 lower, the general advice is don't bother telling them about it if you still have the original caliber upper that you can swap back. But if you sell that upper, go ahead and send them a nice letter about the new "permanent" caliber change.

For your 1919, it sounds like any change you made would be "permanent." If that's the case, just send them a letter letting them know. They will eventually send you a letter back saying "thanks."

Aaron

 

[Flyincedar]

1919s are not difficult to swap between 308 and 30-06. Definitely not permanent. Not sure about the other fibers, those are the only two I've had

 

[zoom6zoom]

Yeah, 1919 changes are easy, different parts depending on the round. Sometimes just barrel, sometimes booster and or bolt, ,maybe cartridge stop.