I use all three sizes of bipods, depending on the tactic that day. I typically keep a short bipod in my pred pack. If i am using a fast gun I don't mind having a 9-13 inch bipod clamped on the swivle stud. If I am using a 17 HMR or a 22 Hornet I use only sticks. WHY you ask? I recommend that every one who shoots a mounted bipod to test their POI when it is folded up, extended,... you will be surprised of a POI shift and group size differences. The slower the cartridge or longer the BP the more change, this gets into unraving accuracy and stablizing much like a stabalizer on a bow. Test it so you will not be surprised. I used a versa pod on my M40, liked it because sometimes you want a handstop, and the pod is easy on and off, But it is heavy if you are hauling enough crap for a 3 day stay. I also have the swivle type BPs to help level out the rifle, important if you are working a med to long range shot. Many of the longer BPs are still short if sitting, so try them out first.