I shoot handloads, 570g TSX's out of my CZ 550 in 500 Jeffery at 2300 fps. I'm not a monometal bullet fanatic but these shoot well, penetrate like crazy and expand. They also feed beautifully. I'm a fan of the A-Frames and Woodleighs as well. The recoil is sporty but easily manageable offhand. Off the bench, without a lead sled, unless you are incredibly recoil tolerant the 500 Jeffery will punish you. I use a lead sled with 35 lbs on it to do load development. The sled jumps off the bench with every shot lol. Then I will check the sight in off the bench without the sled, then again offhand and sitting. I love shooting and hunting with the rifle. Almost all of my practice and hunting I do offhand. By the way, my CZ 550 weighs 12 lbs with scope, and sling unloaded. I wouldn't want it any lighter. To answer your question I believe the lighter bullets will kick less. I would only shoot ammunition with premium bullets (Woodleighs, A-Frames, Barnes TSX, etc.) unless you're hunting deer or elk with it then it really doesn't matter.
