Joe
One of the Categories , We (NCOWS) offer is Working Cowboy ( it is also perhaps our more popular)
Here your 73 rifle and 1 pistol are the only guns you'll need.
You don't use gun cart , simple saddlebag or even a poke of some sort to carry your ammo.
I plan attending the SC shoot, and shooting WC as I did last year.
Major.... Cracker Cow Cavalry