Lionsteel M4 w/ Cocobolo Handle M390 Steel

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Jan 8, 2017
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I've had this knife a couple of weeks now and actually received a specific request from another member to review it. So let's go. First let's introduce the knife and it's accompanying sheath.

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I can tell you right off the bat this is one of my favorite leather sheaths I have ever seen. It is formed to the knife in a way similar to a lot of Kydex sheaths and even with the clip open, the knife does not fall out when held upside down and shaken.

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The handle I chose was the Cocobolo. As many of you might know Cocobolo is one of the most dense woods in the world. The handle itself has a very comfortable contour to it and also has small grooves running throughout that are just high enough to add some grip, but not so high you notice they are there and create hot spots. The spine is rounded similar to a CRK, but on the blade it still comes to a sharp 90 degree transition so you could still utilize a firesteel with this knife. Now when I say sharp, I don't mean run your fingers over it and it feels like an unfinished corner. It probably has a micro convexing to the transition point, but in no way would it prevent you from using a firesteel.

No matter how I grip this knife I can not find an uncomfortable position. The ergos simply make it one of the most comfortable fixed blade I have ever held. The weight doesn't even give pause at a little over 5 and a half ounces and the balance is top notch. The blade simply feels, and as we'll get into performs bigger then it is.

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Ok so it's pretty and comfortable, you guys get it. This is supposed to be a bushcraft knife though, can it bushcraft?

As many of you are aware most knives people use for bushcraft are pretty big. This knife's total OAL is right around 8.5" with about a 4" blade, surely it can't baton wood, start a fire, create kindling, process game, baton and do a host of other things a larger knife can do.

So where should we start, Kindling? Sure heck even a SAK can kindle. Lets try some well love and very dry oak.

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Ok so it kindles well. How about whittling? Let's go with some dry maple.

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Child's play you say? I can tell you the smaller size makes these tasks effortless. Let's move into big boy territory, how about some batoning. Dry pecan anybody?

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Hmmm. Didn't really seem to phase it. So why should one buy this knife? A lot of knives can do this kind of work.

For starters I picked mine up for under $130 brand new.

Secondly M390. I'm in the camp that currently believes M390 is the best steel available on the market today and this knife is a fine example of why. You can sharpen this thing up, take it out for a few days and return it to it's sharp factory edge with a few quick passes on any strop or hone. All of the work I did, was purposely done with the factory edge to see how it performed. Good news is, it still cut paper quite easily afterwards. You don't have to worry about the knife rusting because it's M390. It doesn't need oiling and all that other jazz. Get it bloody, rinse it off in a puddle, it doesn't care. The combination of toughness, edge retention and corrosion resistance make it top notch and I believe Lionsteel does a fantastic job with their heat treat of this steel.

Next for me would be the size. It's a 4 inch blade which would probably turn a lot of folks off for a survival/bushcraft knife, but it well outperforms it's size. It's large enough that you can baton, but still small enough that processing game would not be a pain. Most anybody who has processed game before knows that beyond a certain point more knife is not a good thing. It's small enough for your fine work and large enough for the tougher parts like hacking through bone...etc.

Finally, I believe this little knife was built with the weekend warrior or backpacker in mind. It's lightweight, has great ergos for all day use, hold's it's edge forever, is easy to bring back to hair popping, removable handle slabs for cleaning with good deep screws, you can toss it where ever and not worry about it rusting. It's simply made to reduce weight but at the same time perform similar to a larger knife.

On a scale of 1-10 I'd give this knife a 9, as I personally prefer some minor gimping on the top of the handle. Even without it though, the grip is solid. So if you're looking for a bushcraft knife and it's in your price range at $130, I would say it's pretty hard to beat.

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Great review, buddy. Thanks for posting. You answered lots of the questions I had remaining after researching this knife.

The guys that call themselves DBK did a good YouTube review and loved it, but in my limited watching they tend to love everything--not in an "I'm BS'ing you" sort of way; I think they're just generally stoked about knives & such (as are lots of us!).

Anyhow, it's great reading another "put it to work" review. Thanks!
 
At $130 on a full tang M390 that's just an incredible price and the leather sheet as well. Too bad I live in the city and fixed blades don't really get any lovin'

Have a Falkniven A1 and its been pretty much a paperweight since a bought it. Love the knife hate the sheet. If I lived in a small town or went camping and such often I would be all over it. The knife has some sex appeal nice and smoothened curves but as I suspected it needs a bit of work to make it more grippy.
 
I've got the M4 with the black G10 scales. Lionsteel supplies, easily, the best production leather sheath I've ever had come with a blade. Like you say, it is very well formed and the retention is great. I will probably have Eric Lind build a kydex sheath for it as well, only because I like to draw and resheath one-handed.

It carries nice, and I'm anxious to get some use on it. Thanks for the review Amoo.
 
Just ordered one in olive wood. Depending on who you believe, its either a bit harder or a bit softer than cocobolo. I'm thinking the olive will look fantastic with a few years of "seasoning."

Can't wait to take this knife on my next backpacking trip. I'll show it off when it gets here.
 
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Hi. Thanks for the interesting review :thumbup:! I think the M4 is a very nice knife and definitely a value for money item. It has exactly the "right" size and shape I need and it's an eye candy too (at least for me :)). If I wasn't already done with more fixed blades than I really use, I'd probably have bought one already :). Have fun and thanks for sharing!
 
Awesome review! giving it 9 out of 10 for just the lack of gimping is kinda mean in my opinion :) not really a dealbreaker for me
 
My olive wood got here today! I knew the knife was about the size of an Umnumzaan, but the M4 still feels more compact than expected--not necessarily a bad thing.
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The knife seems just small enough to work for horizontal cary with the right sheath. If the exact sheath provided was set for canted cross draw it would be absolute nirvana! I sense custom leather might be in my future.

I whole heartedly agree with Amoo about excellent ergonomics & balance, razor sharpness, and clean lines of the blade. I really like the texture and appearance of the olive wood.

Being my hypercritical self, I found two nit picks. First, the fit of the scales to the tang, while acceptable, is not perfect (there's a small gap). I've tried my best to capture it.
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In reality, it's about equal to the fit I expected based on the only other Lionsteel I once owned. Good enough, but not perfect. I may try to lap it myself, in which case I'll likely make it worse. (Leaving well enough alone has never been my strength!) [emoji16]

The second nit pick is smaller, and closer to a wish. The grain on either side of the scales is beautiful in it's own right. I just wish the patterns matched a little more closely. Yeah, it's probably not really within the realm of expectation--especially sub $130... but still, it would be nice.
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Nit picks aside, this is clearly an awesome knife for sub-$130 (m390!). I agree with Amoo's 9 out of 10 and can't wait to take this backpacking!
 
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The gap may allow the wood to swell when wet, hard to say honestly. Just my first thought on it.
 
Got mine a few months ago in the same exact configuration. My father is going to be my best man in September and I am planning on giving him my unused Lionsteel M4 as a gift. But I do think i am going to order myself one or two more in the long run. I certainly wish they would manufacture the M5 utilizing M390 but I am sure that they have their reasons for producing their M5 in Sleipner tool steel.
 
I agree with the review as spot on. If I were doing the review, it would sound almost exactly like the OP. I ordered the Olive wood version a while back. Ironically, I had the same tiny gap at that one scale. A quick tightening of the scale and it was flush perfect.

After that, it was awesome as the OP says.

Lastly, my scales are beautiful. I would assume at this price point, the scales could be hit or miss.

It's a great balde in many ways and M390 full tang for under $140.00 tyd is a steal. I want the G10 version as well.

I have spoken about this knife before. I call it functional artwork. Beautifully executed but very comfortable and functional.

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Two days of use - The knife isnt as sharp as it was but still cuts paper, i have a spot on the edge where it shines at me (rolled pressed bent, idk) that spot doesnt cut paper and i can't figure out what i cut to create this. It really is microscopic though. I also seem to have trouble stropping it - It doesnt do much. I probably do it wrong. ill keep making it dull until i feel like it is ready to be sharpened to a mirror polish which i am looking forward to. I will aslo add a tiny secondary bevel since the V grind of the knife has quite some resistance when slicing.

Striking ferro rod is possible, the few first strikes werent so great but left black spots on the knifes back and made the edge sharper allowing me to create bigger sparks. Then i spent 10 minutes trying to clean it. Except the slightly less sharper edge which is reasonable, the knife shows no signs of wear after two days (Of course not!)


Sheath is fine,
i glued the unglued part back and then i needed to loosen it a little so the fit wouldnt be too tight. It made for a good friction fit and holded the blade, i didn't like that but it was easy to loosen up i just slid a finger in and stretched it a little. If you find you also have that part unglued, you dont need to glue it IMO.

I sticked a piece of duct tape over the rivet. To my surprise that seems to hold, though the friction between the tape and G10 seems to rip (very very small holes that dont even go through the tape) It doesnt get stuck on this spot anymore

And i bent the strap a little further so that it wouldnt be in the way of the knife. it gets used to it eventually. this place the knife still gets stuck on but it doesnt have as much resistance anymore.

The sheath really is great and i found a good spot to put it on my belt, However even like that it gets cut quite a lot. The knife looks and feels like it will last decades easily, the sheath just cant keep up with it :) I mean after just two days i would not be able to sell this to anyone as "new" even if they were complete noobs.


I said i would carry it until it gets on my nerves, it gets destroyed or i get used to it.
Well ust as i felt like i got used to it this happened:

I tried to put it back in the sheath and it suddenly got stuck "Oh is it already in? No wait the strap is too far" trying it a few more times, then i slide the sheath to the front and look properly and with a sad face realize i just cut a piece of the leather. (luckily just a layer on the inside, but the cut was deep it could have been worse if i pushed on the knife thinking im doing it right) It was because i had the knife at a bad angle. (the place where the edge of the knife slides along under the strap, tilt the knife up and it cuts the front side, tilt it down and it cuts the back side)

There were however many more cuts than i could make with this single attempt... Trying to figure out why i later noticed that i also slide along this spot when i pull the knife out. Angle is the key. These cuts make me sad, but the sheath works very well.

So if you just got this knife i recommend you to pay attention and learn not to tilt the knife up or down to prevent cutting it.
 
I agree the sheath gets cut up pretty easily unless you're really carefull. Another reason I should go for a custom cross draw! Unfortunately I'll have to wait a while to put mine to use... but use it I will!
 
I agree the sheath gets cut up pretty easily unless you're really carefull. Another reason I should go for a custom cross draw! Unfortunately I'll have to wait a while to put mine to use... but use it I will!
You and all the others with customs sheaths for this knife, i would love to see them. I already came up with a design of my own but it will take a while to gather materials and actually make it. Plus some more motivation. Kydex would be great but i cant get my hands on it so i will probably make a backup leather sheath some day. I also thought about nylon with some plastic insert, that would be easily washable.
 
I should probably open a new thread for my reviews but whatever if someone is reading this thread they might want to know the follow up.

I decided to sharpen the Lionsteel M4 after a week of sharpening sticks and trying to dull it (It stopped shaving but cut anything mercelessly anyway)

I used the metal ruixin pro which i got last week as well (dont buy it, it needs too many modifications to work btw) and spent about 5 hours sharpening it carefully from 320 to 0,25micron paste with all the steps i had. I made sure i didnt remove too much material and kept the angles as close to the original as i was able to (the shape of the blade isnt very compactible with the sharpening curve but i drew it with a pencil and moved the blade to adjust to the angle)

After this the knife was very sharp and shaved a little but there were two spots that had a wave like patterned wire edge that even though they could glide through paper didnt shave at all.

After a look with a magnyfying glass i looked up deburring on the forums and found some good tips. The burr had to be ground away, no pulling trough wood as i tried and that probably created the waves. M390 seems to really like creating a burr and keeps it.

I decided to resharpen it starting at 1500 gritt and this time making sure i DONT CREATE A BURR AT ALL, another 4 hours went by and this time the result was much better! Popping hairs of my arm (though not as nicely as i would like, not all of them, only some so i know it wasnt as sharp as some of you could make it, and i would love to get it to that sharpness one day) I tried shaving with it, it pulled when dry but when wet it didnt pull at all (it seemed to pull less with a "cutting" motion though) i shaved my cheeks only because i didnt have time for more

Then i spent a day making feathersticks with it (made around 10 of them) and other random tasks (batoned one log, had to pry two pieces of wood from each other, cut some packages...)

After all that i would drag it just three times on each side on my leather belt while i had it on and it shaved again, not as cleanly as at the start but still.

I put it on the ruixin and stropped it with 0,25micron to get it back to something better and then i shaved my whole face with it.
It shaved easily at the tip and the heel, the most used parts shaved too but dragged a lot and this didnt seem to changed throughout the whole shave, except that the tip started to drag a little bit (1cm beard)
It was not comforatble by any means and i feel like it could have been much sharper, but i have also only shaved twice with a knife :) Only cut myself twice this time and both because i placed the knife on the skin in a wrong angle. I was worried about the knife's shape but it was allright.
To comparison i had an opinel nr7. carbon sharpenened the same way at a steeper angle and that only managed to shave half my face and then dragged too much to finish it.

M390 convinced me, it can hold a shaving edge, but i guess i am not as good at sharpening as i hoped.
 
Finally, I believe this little knife was built with the weekend warrior or backpacker in mind.

Because I am definitely the former, I probably won't purchase more than one fixed blade, and this seems like an excellent choice for those that want a knife that fits the 'bushcraft knife' definition.
 
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