Easy way to find out.  We can all submit an online registration everytime we change calibers on a firearm.  See how long that lasts.

Or submit it twice a day -- with or without an actual swap.

Just to play it safe, of course.  Don't want to make the change BEFORE the registration is effective!

 

Remember how I told you guys that Russia has already won Ukraine and it was just a matter of time until it was obvious to everyone, but you were too drunk on CIA propaganda at the time?

Here's another one for you,...Israel is not gong to exist much longer.

Well said!

Russia is the most dominant military power in Europe and has more than proven it can and will prevail in a non-nuclear land war on their continent against anyone.

Barring Israel resorting to its Samson Option; its ongoing genocide against the Palestinians as well as its current goading of Iran, Hezbollah, Syria, etc. into a regional war; Israel is sealing its own fate and selfishly plunging the whole planet into potential economic collapse and WWIII.

Unfortunately for the rest of the Free World that is racing to escape the madness and join BRICS, the US empire will do everything in its power to open up hostilities with China in a last ditched effort to reclaim its imperial dominance via Asian proxy wars using their vassal states of the Japan, South Korea, Philippines, Republic of China, Australia, etc.

I held off on assuming, but yup. All young people.

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What they should say is

"Dont come outside man. The CA district atty will crusify u if u defend urself or ur cars. Then if we get hurt, we or our dirt bag family will sue u. Just let us steal ur shit. Go back to sleep."

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That's ridiculous.

I registered a rifle that came with 3 barrels:  .22LR, .22WMR and .17HMR.

When I bought the rifle from a 2A member, it was registered as a .22LR. 

When I registered, it had the .17HMR barrel installed.

The RECEIVER or FRAME is the firearm by ATF definition.  If you switch parts, the serial number still follows the firearm.

As for your receiver, most AR lowers I bought had MULTI as the caliber stamped on it.  There's a reason for that.   

If they registered the lower as "MULTI" when you bought it, the registration is correct no matter what barrel you install. 

So, if you install a .223 Wylde barrel, doesn't it also use 5.56 caliber ammo?  Also, a 5.56 barrel shoots .223 ammo.  No barrel change required.   

I'd like to throw a P320 at them and see their heads explode.  That pistol was designed and marketed specifically for locations and individuals who want or need a limited number of registered firearms but with the capability to change calibers, frame sizes, threaded barrel vs. not threaded, etc.

I'd ask them where it states in the law that barrels of different calibers are not allowed to be swapped on a registered firearm.  If they can't point to it, then I'd just ignore them.  Sounds more like a policy than a law.  You can't get a "charge" if there's nothing in the law or ordinances saying it's prohibited.

I'm not a lawyer, so don't take my advice as gospel.   But with the number of caliber-swappable firearms legally available here, and with no mention of them in the statute, they'd be hard pressed to find a law you broke.