Weight reduction and improved balance are all I can come up with but when you think about it, what else could it be? Maybe a Becker expert will step in and shine some light on your question. What surprises me is that the BK2 Campanion does NOT have any cut outs under the handle scales and it has a 1/4" blade.
How are you liking your BK9 Melt? I just got my BK2 a few days ago and I'm very pleased with it. I've been considering a BK9 as a future purchase, for some reason it appeals to me more than the 7.
Yeah, I was thinking weight reduction and/or balance, but I'd rather the knife just have a solid handle. It would give me more peace of mind about the knife's strength, though I feel it would take a heck of a lot of abuse to crack the handle off. Don't get me wrong; I'm not slamming this knife. I really like my new BK9. It might be impossible to beat for the 60 bucks I paid for it. It feels good in my hand, with good balance and not too much weight. Maybe those cut-outs help with that, but I'd be willing to have a bit more weight and a bit less balance for a more solid handle. When I got it, I took it out to the scap wood pile and choped some kindling out of a few oak and pine boards that my dad gets me as wooden pallets from a tractor dealership. Mind the nails! I hacked and batoned some, and the blade finish got really scuffed up and looks ugly now. That's my only complaint so far. But the finish still covers the blade to protect it from rust, which is it's real purpose. This ain't no safe queen, anyway. The edge would take a few hairs off my arm straight out of the box, so I chopped enough with it until it would no longer shave. I'd read that these things were hard to get shaving sharp once they were a little dull, but with about 15 minutes on a green DMT slab and a cardboard strop with Metal Glo polish rubbed on it, the Becker now shaves hair very well, even better that it did straight out of the box. The handle scales feel just awesome. They don't look fancy, but hold one of these knives and tell me it isn't one of the most comfortable handles you've ever felt. There's also a plenty of knob (for lack of a better word) at the blade end and back end of the handle so it won't easily come out of your hand. I also like the sheath, which is similar to the old sheaths the Camilus made Beckers had, except it is black instead of green like the one that came with my Camilus made Crewman. There is a pouch on the front of the sheath that will hold a multi-tool, folding knife, some para cord, a sharpening stone, or maybe a small survival kit. As a bonus that was not mentioned on Ka-Bar's web site or in their 2009 catalog, there is a small Becker BK13 knife that rides in a small sheath on the front of the main sheath. This knife (the BK13) is marked "China", appears to be some type of stainless steel, has about a 2 inch blade length, and also got hair-shaving sharp on the DMT and cardboard strop. I used it (the BK13) to eat a steak with the other night. I'm hoping to replace it with a little Buck Hartsook neck knife when I get around to getting one. Sadly, my Becker Necker won't fit in the same little sheath the BK13 goes in. So, I'm very pleased with the 9 so far. Other than machetes, it is the first large (over 7 inches) fixed blade I have owned, and I'm looking forward to taking it camping this summer. I'm also considering getting a kydex sheath for it, but that can wait. Now if only Ka-Bar and Becker would put out a BK9 in D2 (a steel Ka-Bar already uses in some knives) with micarta handles and kydex sheaths! That would be a beast of a knife! I'd need one of those!