Ahhh... that makes more sense... with all of the recent talk about the 17 WSM being compared to Hornets, as soon as I saw the "17" in your post, you went right and the old brain took a left turn!
OK, so lets do a comparison of the two Hornets, cause we been there done that. We rechambered two H&R Sportster 17 HMR's to 17 Hornet, shot them for about three months, sold them at the range and then happily went back to .22 K-Hornet... here's why;
I gotta say, I prefer our K-Hornets with 35 grain V-Max and Lil' Gun. If someone has a Hornet barrel, they would be further ahead to ream to K-Hornet and shoot the 35 VM's rather than messing with the 17H...
Actual numbers;
.22 K-Hornet with 35 V-Max and 13.5 grains Lil' Gun (max) =
3122 fps & 758 ft/lb
.17 Hornet with 25 V-Max and 8.9 grains Lil' Gun (max) =
3195 fps & 567 ft/lb
There is an incredible assortment of .224 bullets and a very limited assortment of .172 bullets, while the K-Hornet gives up little in trajectory, it gains huge in energy and even more (IMO) in versatility... it is a pleasure reloading .224 compare to .172... from champfering to seating 17H is a PITA.
Of course new stuff is fun... and if you just gotta, you just gotta (I did)... but sometimes the "tried and true" is justa better way to go... gonna stick with the K-Hornets for a long, long time.