Your "personal" interpretation towards something that isn't mentioned in the 2nd A.I believe, anyone with some understanding towards firearms and the 2nd A towards a required Militia - knows this.
"Military"flintlock hand-weapons were also stored in the armory, since not everyone's private "firearm" was suitable for a war, aka for a Militia.
Only Rambo wannabe, gun-weirdos, additionally plagued with conspiracy illness - live in denial.