[Centurion2000]

Easy, bring a 20 gauge Howdah black powder shotgun pistol muzzleloader

Legally, black powder muzzleloaders are NOT firearms.

Sure you only have 2 shots, but they are shotgun blasts or a gawdawful 58 caliber heavy lead bullet in wadding. Either one is going to suck to be on the business end of.

[Centurion2000]

And if you need more shots.

[Manly Warrior]

Well, maybe fedlaw says that, but most or many states DO classify muzzleloaders or cap and ball gun as firearms. That is why the issue is now whether the UoM policy violates the 2A