"State militias were outfitted by the states"
Yep, and in 1892/93 or so the Federal Government had de-accessioned hundreds of thousands of Trapdoor Springfields, Colt (and apparently some S&W) revolvers, and millions of rounds of ammunition for distribution to the State Militas.
That had apparently been done in a fairly expedient manner.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.