there is a correlation between twist rate and barrel length.
I have a 20" 1 in 8 barrel that pattens 62gr and below (5-6 inch groups), but shoots sub moa with 75gr. (electronrider has currently borrowed it for match shooting and can verify), while my 16" carbine with 1 in 9 likes 55-62 gr, and...
who made the receiver and what does the serial number start with?
big difference between Springfield armory that the gov't owned and the current Springfield.
Carry a gov't 1911 in a M-tac minotar with a belt by the beltman, or a k-frame smith in an uncle mikes convertible (iwb/pocket/owb, not a drop top. lol)
unsure about the current stuff, but mine came in a cardboard sleeve with olin corp, 00 buck and some mil stock and lot numbers on it.
haven't shot any of it, prefer copper plated steel #2 shot for home defense.
the weight of the tractor is want causes ruts, turf tires give floatation, but fill with mud quickly, thus making you stuck.
would also recommend using chains to tie down the tractor on the trailer over straps, unless you want 12k of tractor coming to see you in the cab.
hertz equipment rentals. used them a lot before i broke down and bought my own trailer. another option is to call a local tractor dealer and see how much they charge; did this about once a month when i delivered lawnmowers.
Never used the 32H&R (don't own one), no issues with 38spl, 45acp or 45LC.
only issues I've had is the 308win won't load in buddy's (or bro-in-law's as well) rifles.
worked at a (green tractor) dealership for about 5yrs (driving the delivery truck, working the parts counter and turning wrenches on occasion); in your price range you get either: worn out commercial unit, or a disposable tractor, good for 10yrs at best (more like 5-6). If you want longevity...
dual wheels make the rig more stable in a cross wind (and a margin of safety for a blown tire).
Should you desire to sometime tow a jeep behind a trailer, you MUST have a 5th wheel and limited to 1900pds on 2nd trailer (most tow a boat) and limited by the routes traveled to triple trailer use...