Is anybody offering barrel shortening for the KR9?

Shouldn't be too tough for a gunsmith but might be easier to just buy the KP9 instead.

Brownells sells a one caliber crown and chamfer set for $158.00.
Do it your self. Tape, hacksaw strait off, file smooth and strait. Crown and chamfer. Touch up with some cold blue.
You can buy different pilots for the crown and chamfer tool to do other calibers.

I did mine myself..... primarily because everyone wanted to pull/repress the bbl to cut/thread. I really didn't want the bbl pin/stock catch messed with .

I went with a KR9 because it was cheaper than a KP9, already came with a stock (often out of stock/expensive), and I wanted a 14x1 thread instead of 1/2x28 .....

Cutting was easy....and I already had a 9mm muzzle facing/crowning tool. Had to buy an annular cutter, pilot, die, and had to have a 14mmx1 LH thread alignment tool (to fit a 9mm bore) made.

Pressing off, and replacing the FSB was a bit of a pain .....but it makes for a much nicer end result

I had the muzzle device made so it would function with the slightly "higher" plunger/detent on the KP/KR9 guns

You can always recover some of the tool expenses by selling them when you're done.....