Some of my students bring theirs and I allow anyone who wants to use mine (actually the Wife's Mothers day present) to run quals or the training there after with. Mine being a 3rd Gen. I have no experience with the early gens other than the students run 100% with the Federal duty rounds we use and the high brass shot for poppers.
The only downside I really see is that you can muck things up trying to set it up cruiser ready. However, most won't do that.
Remember, the Founding Fathers reason for the 2nd Amendment... to combat tyranny. Sadly, when people discuss the 2nd Amendment, the opponents erroneously think it was meant to stand alone... it HAS a preamble:
"...But when a long train of abuses and usurpations, pursuing invariably the same Object evinces a design to reduce them under absolute Despotism, it is their right, it is their duty, to throw off such Government, and to provide new Guards for their future security..."
— John Hancock
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