These are 10 shot groups @ 100yds with JSB Kings @ 915FPS....

First one was just too big to measure...
http://i647.photobucket.com/albums/u...n/100_2033.jpg

http://i647.photobucket.com/albums/u...n/100_2032.jpg

http://i647.photobucket.com/albums/u...n/100_2031.jpg