I never use nor would I recommend someone to use the link constraint (it's the crappiest tool in max imo). There are some tools that can be found on the net that works way better than the linkconstraint or make yourself your own link constraint. About the IK / FK : I would do both then build a quick fk/IK switch with both…
I'm digging up this thread because I would like to make the best choice. I see what you guys are saying about the parenting unparenting for reloading, but you only need to parent the weapon to one hand for FK right? So the unparented hand could be the reloading hand. Can FK be jittery with proper animation? Or are they…