I personally do not own a Knight Revolution. I do own a Knight Wolverine. If the Revolution is like other Knight rifles, they are excellent sabot shooters. I would think with the length of the barrel your powder range will fall somewhere between 90-120 grains of loose powder for your best accuracy.

My Knight likes the 240 Thompson Center Mag Express XTP's and it really shoots the 250 grain Barnes Expanders exceptional. I think they would be a good place to start with your rifle. Also most of the Knight rifles like the Knight RED HOT sabots. You might want to give them a try also.

Last of course there are the Shockwaves. The 250 & 300 grain seem to shoot good out of most rifles unless there are loading problems. You will not know that until you try them.

Also the Knight rifles comes with a manual and a video. In the manual and video it gives some excellent suggestions on loads to try. At least my rifle did..

Good luck with the rifle and keep us posted as to how it shoots and your impressions of the rifle.