3050fps or so with the 150gr bullets and 2940 or so with the 160's. This is with both my .280AI's. With the 160's 60.5grs of IMR7828 gets me there and 60.5 of R22 with the 150's. Both rifles have 24" Krieger barrels. I use Sierra bullets for steel and Nosler Partitions for most of my hunting.