If you want a G29, don't get it. Just get a G30 and do a 10mm barrel swap.
But don't get a G29 and put a .45 barrel in it, the breechface is smaller on the G29.
Assumption is the mother of all ****ups.
Know what you know, Know what you don't know. -Paul Pedzolt
"Jack of all trades, master of none, though oftentimes better than master of one" -Mynshul