The Camp USA Photon Keylock Carabiner is a super light carabiner for climbing like the speed of light. That probably isn't true at all, but it'll definitely drop the weight of your rack, so that's something. Available in a straight gate or bent gate, so you can get the clipping action you're looking for. Shaped like a beaut and ready to clean effortlessly.
Products on Sale are Discontinued Styles or Colors.