First-gen (I think) Bucklite Ranger 442. An entire challenge using the Ranger on another forum made me realize the modern 110 and 112 lightweights were terrible in terms of ergonomics and comfort with extended use.
I have both the LT and Slim Select versions of the 110 and 112, and they're terrible. The fit and finish is lower than a standard 110, and the handles are awful. They feel cheap, and the texture/chequering pattern on the handles is too aggressive. The Slims are way too thin to be comfortable, and the handles have sharp edges. And then there's that annoying bump between the lock bar and blade. Supposedly it's unavoidable, but the even cheaper Bantams have this nub removed--why not the 110 and 112 lightweights?
Whatever plastic (presumably, Delrin) the 422 uses feels solid, and the fit and finish is more like an older 110/112. The Micarta-like texture is grippy, but will not dig into my hand. The finger grooves were part of what drew me to the first and second gen LT versions--and they fit my medium-size hand well. I like this one so well, I'm beginning to wonder if maybe I shouldn't have ordered the second-gen also. I got all the unholy mess of grime out of it, now comes the hard part--getting a good edge on the thing. It's 425M, which means it's definitely more of a challenge than 420HC.