That's the tops of what I can spend, archy. I figure if I work two jobs for the next fifty years, I can pay for what I buy. A mount wouldn't do me a lot of good without the guns, though.
Hummm....maybe I can work three jobs!
Yeah, sleep is a waste of time, anyway.
Sleep? Oh yeah the state I've visited for 5 hours in the last three days. Yeah, I remember what sleep was!
If you're on a 10 K budget, you might want to stick with magazine-fed toys, it can be hell having a hungry belt-fed weapon with nothing to feed it. But a lot of .30 shooters are running guns set up to use 8mm German ammo, now available pretty cheap at around .04/round or so, better than the dime-plus for 7,62 or .30-06 M2 ball.
Or you might consider getting into one of the belt-fed Browning .30 semiautos, which start off in the $1000-$1500 range- if nothing else, they make a good starting place for learning the Browning innards and they can be teamed with a full-auto gun on a twin-gun mount. The barrels, feed components and topcover of the semis remain unchanged and are still usable as spares in a full-auto gun. And the 8mm conversions ought to work in either.
And there is another possible way into the full-auto .50 world besides the Browning guns...might be cheaper in the long run, might not be.