Hi again,
thanks for the suggestions.
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The Benchmade 710 : I hadnt considered this knife because i didn not know about it. I like it! The shape of the blade looks fantastic for big game, and i guess it would also work for small game (i havent seen it personally but it might be a little bit to long/pointy, so that maybe you cut some organs while you are cleaning it, spilling all if its interior on the flesh. But as said, i havent seen it and i believe you if you say that it works). As you say: cleaning in the field, skinning at home.
Only thing that maybe looks problematic is the grip.Can you tell us about it a little bit?
By the way, why m390? (I ask this because i just found 710's in D2) What diffferences are there with CPM-M4?
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Grip is pretty good in use for me. It doesn't have a 50-50 choil like a lot of the Spydercos, so your hand stays well clear of the edge which is kind of my preference for a hunting knife (had some issues with the Military's choil before). It's slim but not flimsy with full liners and the handle is plenty long, so grip has never really been a problem in use. Ergonomically, the Spyderco Paramilitary 2 and Gayle Bradley folder are definitely superior but there's nothing
wrong with the way the 710 works, and it carries a lot slimmer without the wide spyder-hole blade profiles.
M390 is very stainless and has excellent wear resistance at around 60-62 HRC, and I've never had any problems with chipping. In terms of wear resistance, most seem to rate it slightly below S90V but comfortably above S30V, XHP, and Elmax. A recent test by Ankerson suggests that ZDP-189 run up to 65 HRC might be able to compete with a coarser edge, but I find M390 preferable because it is more stainless, easier to sharpen, and doesn't need to be run so hard to get that performance out of it.
For CPM M4, run hard enough wear resistance will be roughly on par with M390. It might be a little easier to sharpen up, and it will be tougher. Its main drawback is that it is not stainless - while it's got a decent amount of chromium and will not rust so quickly as something like 1095, it will take a patina pretty quickly.
Since it sounds like you're looking at the Spyderco Gayle Bradley, I think that would be a good choice too - the blade is kind of wider than I like, thanks to the opening hole, and it's heavier and bulkier than the 710, but the design feels great in hand and is very solidly built. Pretty darn stiff liner lock, too - it's meant to do some work. I don't think you would be disappointed with it.
I've had the Air for a while and recently picked up a Bradley folder.