- they are back!
This knife's name includes an interesting thought. Al Mar B-21 may not sound that exciting, but the acronym stands for Bowie for the 21st Century. It is a modern interpretation of an old knife type, and thereby, an exciting dynamic arises.
The B-21 is new for the year and I was an early bird so have had this knife for close to eleven months at this point. It has given me a good basis for a review. It was not, in and of itself, that difficult in this case, it would turn out.
Al Mar B-21 |
The designer behind this knife is none other than Kirk Rexroat. It can be added that this is not his first collaboration with Al Mar. They have been working together since 1997 when Rexroat made a custom "Havanna Clipper" for Gary Fadden who then owned the company. Incidentally, it is a model that has been reinstated in the model program as a tribute. Since then, he has also designed knives such as Back Up I, Back-Up II, and not least Payara. The latter has been released in a new version which I reviewed here.
Some aspects of the B-21 reflect parts of Mr. Rexroat's personality. One is his eye for detail but he is also a "Master blade smith". Another is that he is also interested in hunting and outdoor life, which led to the B-21 not only being a fusion between old and new, but also between a knife intended for such activities and more "tactical" applications. A knife aimed at different types of police, military, and similar professionals.
A modern interpretation of a classic Bowie knife |
Something nice has also happened with parts of Al Mar's production since the last time, and it concerns, among other things, this model. To mark both that change and, to some extent, new times, there is no longer any red in the logo, as the observant may have noticed.
What has happened is that production has been moved. Al Mar's knives were originally made in Japan. When the company was recreated, all production was moved to China in the years 2019-2023. Parts of the manufacturing still take place there. But now the finer models are stamped "Made in Taiwan" instead. It is a big step up can be stated in terms of the folding knives that are current, something I intend to come back to in future reviews.
Then it remains to be seen how this Taiwan-made piece signed Rexroat holds up.
Short version: Al Mar B-21, a new model that lasts all the way. This is a versatile, light, and well-balanced knife.
Blade
In an interview from 1985, Al Mar himself said that a blade for a combat knife should be between 4.5-8 inches, i.e. measuring from about 12 centimeters to just over twenty centimeters. It seems to be something that Rexroat has taken notice of in this case as the blade is almost there. The length in this case is 4.25 inches, which is just under eleven centimeters. It is matched by a height of at most 3.5 cm and a thickness of the blade of 4.1 mm. One, as we say in Swedish, "lagom", blade. That is exactly right, small enough to be out of the way and make the knife light while providing enough edge to handle most tasks.
The appearance has features of its classic predecessor. This means that it inherited a rather bold cut part with a substantial false edge. A shape that gives both a piece of straight edge, a belly, and, not least, an extremely effective tip. It is, after all, a commando knife we are talking about, even if it is not purely bred for that task.
However, a bit of the edge has been stolen into a substantial choil for the index finger. When that is then combined with the parts of the blade that are to be considered as modified, a multitude of ways to grip the knife are created. I'm talking about the marked bend in the spine of the blade which gives the blade an almost harpoon-like appearance. That impression is reinforced even more by the thumb ramp.
A bold and dynamic blade based on a Bowie |
The finish is satin and the marking consists of the Al Mar logo on the ricasso of the presentation side. On the other side, you will find the model designation, designer, and country of manufacture.
The steel used is a staple for many manufacturers. A durable D2 steel that has received a high flat grind, the edge is more than 25 mm high. The thickness behind the edge varies from a full millimeter towards the tip to down to 0.7 mm. It's honestly a bit too much for my taste. Sure the blade gets stronger but it cuts worse. Here, strength has been prioritized over other parameters. On this knife, however, the cutting properties are saved by the fact that the secondary edge is also quite wide. It measures closer to 1.2 mm.
Another effect this edge has is that the point is both very sharp and at the same time does not become fragile. There is of course more material behind it as well. The factory edge was capable, but not quite evenly ground in the name of honesty.
The hardness is stated as 59-60 HRC and that is something I think is correct as the knife has kept its sharpness well.
The blade is about eleven centimeters long and made of D2 steel |
Since the thickness was not extreme from the start and the blade is high and flat ground, you get a knife that cuts well in most materials. Despite the thickness behind the edge, it may be added. It is noticeable that Rexroat is an active hunter. He obviously doesn't like knives that are sharpened pry bars but that are actually usable too.
This type of edge is really good when it comes to, for example, cutting rope and the like. The steeper angle means that the edge can withstand a bit of abuse while the fairly thin blade slides through the material. It's not such a bad idea, as tamp for boats and the like not infrequently contain some gravel and other things that can damage a knife edge. For the same reason, the B-21 is excellent for handling stronger nylon straps, seat belt materials, and thicker plastics.
Even in wood, the knife is fully capable, although not perfect. Here the handle sets the limits, mostly because it is thin. But since you can sneak forward and stay close to the edge, control is good. This means that as long as you don't have to make a living from woodcarving, you'll be fine. Read, it is excellent for camping.
Then the B-21 isn't the best for batoning, an activity popular in knife testing these days. The knife is a bit too thin for that. Therefore, I recommend that if an ax is missing, you carve a small wedge and tap it instead of your precious knife.
The curve of the blade is probably good for skinning jobs for hunters. Now it's more theoretical for me, but I worked as a butcher in my younger days, so I have a pretty good grasp of how a blade is experienced when, for example, trimming a ham or a side of pork. In such work, the indentation on the blade helps excellently. Here you can place a thumb when you want to sneak far forward on the blade or an index finger if better control is desired.
I have mostly used the knife for household meat cutting such as chicken, and pork loin with and without bones, and the like.
Handle
There are basically two ways to make handles. They may belong to the thin or broad school. This is definitely in the first category. To get a comfortable grip, you have to be careful with the other proportions. Rexroat has been. This is a masterpiece in the category.
The handle is made of G10 screwed in place |
The thickness varies between 13.5-11.5 mm. In other words, the sides are sculpted. The length of the handle is 11.6 cm and the height also varies between approx. 26-28 mm.
The knife is apparently a full tang knife and the sides are made of polished G10. A material that is highly resistant to...well, everything! It can withstand heat, cold, moderate amounts of chemicals, etc. It is also very durable so there is no risk of you ruining it in a hurry.
The sides are attached with three screws with T8 heads. It's a bit small, I think. But it works, at least as long as you don't remove the handle sides too often.
The B-21 is a full-tang knife with slightly curved sides |
The fact that the material in the sides is smooth gives a handle that is very comfortable to grip. You lose a bit of friction but in this case, it's not needed anyway because the handle is so well shaped.
It is especially noticeable if you stab hard with the knife. The thumb ramp with its notches and the finger guard means that the hand does not slip even if you jab the knife into wood.
Although the B-21 is not an extremely large knife, it fits well in the hand |
The recess in the back and the forward choil for the index finger increase the grip options even more |
But then we get to the magic itself. The fact that Rexroat has managed to make the knife particularly comfortable despite its thinness. And not only that, the grip possibilities are, if not endless, then at least as many as possible on a knife.
This is because you can hold the knife in a hammer and saber grip as usual, but it can be done both further back and further forward with the index finger in the forward choil. Then, of course, you can place an index finger in the indentation in the blade spine that I touched on earlier.
The B-21 is also excellent for reverse grips with the edge facing the user, but also for "ice pick grips" with the blade down, both with the edge forward and backward. Especially when you have the edge forward, the back end of the handle is comfortable to put your thumb against. Good if you're going to stab something.
Speaking of the back end, that metal sticks out so much that it can be used as, for example, an improvised chisel. It has been thinned out so that is possible. And sure, it can probably be used as a skull crusher too.
The knife also has a small, discreet lanyard hole.
Sheath
The sheath is made of some form of composite plastic. It has proven to be a sustainable variant. The sheath is of the folded type and it is fastened with a screw and four eyelets.
The composite sheath includes a ceramic sharpener |
The knife is held in place by friction and a solid snap. On that front, Al Mar has succeeded very well. Even if the knife is held upside down and shaken vigorously, it is impossible to get it to drop. Because it requires that you place your thumb against the edge of the case and press down. Then it is both easy and very quick to draw the knife.
Another positive feature of this sheath is that it is silent. It is noticeable that Rexroat is a hunter as I said. It is a detail that is very important whether you are trying to sneak up on people or animals. Or just trying to avoid becoming an annoyed hiker because you're carrying around a maraca.
The sheath has a drainage hole which is a necessity especially if carrying around a knife made of D2 steel. As many people know, it is not completely rustproof.
Another small finesse is the white roll that can be seen in the pictures. It is simply a small ceramic sharpener. Actually not as bad as emergency equipment.
The belt clip is of the TecLoc type with a locking function. It takes belt widths up to 5 cm |
When not carrying a backpack, the B-21 is excellent to carry in the small of the back in the so-called "Scout Carry" |
The mount is of the so-called Tecloc type, although I think this is a different brand. But it means a belt clip whose attachment is easily released with a lockable push button. As it is screwed into place, it is also easy to rotate to be carried either horizontally or on a carrying strap on a battle harness or backpack.
The belt clip takes belts up to 5 cm wide. The clip also has spacers that prevent thinner belts from being used.
When I carry a smaller backpack, I usually place the knife on the shoulder strap |
The knife can be carried in several ways, as I explained. If you fasten the clip as usual, however, it sits quite high. Something I'm not entirely friends with. If you are a bit round like me, there is a tendency for the knife handle to poke you in the side in a not-quite-optimal way.
For that reason, I pretty much immediately changed the clip to let the knife sit horizontally instead. This allows me to carry the knife sitting parallel to the belt at the lower back. In any case, when not carrying a backpack, it is extremely convenient to carry the B-21 that way. In fact, you don't feel it at all! That's where the flat format and low weight come into play.
If I wear a backpack, the knife is moved to one of the shoulder straps, alternatively, it ends up in a side pocket and I leave a folding knife more easily accessible instead.
Conclusion
This knife is an example of a very successful collaboration between a master in his field and a company with long experience. With the B-21, Al Marhas achieved a supremely good knife in several areas. Of course, I don't know exactly how the thought process went, but when Kirk Rexroat was going to design a "tactical", he managed to create a really good hunting knife and outdoor knife out of sheer speed. His residence in the forests of Wyoming simply struck a chord.
Like many good knives, this is a production version of a handmade prototype. I hear this one is slightly smaller than the prototype. I would have preferred the knife to be slightly larger if I had to choose, so that version is probably perfect. It also matches exactly with the measurements from Al Mar itself that I mentioned at the beginning.
But for a knife to be good for a lot of things, a solid amount of thought is required and perhaps some compromise. One thing is necessary, however, the knife must be easy to carry, otherwise, it has a tendency not to go along at all.*
This has been achieved by making the knife thin and thus also quite light. According to my scale, the knife weighs 195 grams, and the total weight is 294g.
To achieve the other desirable properties, Rexroat chose a fairly complex blade shape. As I said, the basis is a Bowie, which gave the knife its name. That shape gives a couple of desirable features such as a bit of a straight edge, a belly, and a damn effective tip. The latter is usually reinforced with a fake egg and so also in this case.
But then it has been added both a finger choil, an extra curve on the back of the blade as well as a thumb ramp to enable all the varying grips. This makes this an extremely flexible knife in terms of area of use.
Similarly, the handle is deceptively simple while offering a lot of curves in the right places to match the blade's performance.
The result is outstanding, and I can only state that the Al Mar B-21 belongs to one of my favorites in the class. This knife is capable of most tasks it can possibly be put in front of and for which you need it, whether it's butchering a deer, skinning a hare, starting a fire, or possibly engaging in more sinister tasks wearing camouflage clothing.
Specifications:
Length Overall: 225 mm
Blade Length: 108 mm
Blade Thickness: 4,1 mm
Steel: D2, HRC 59-60
Weight: 195g, knife only. 294 g knife + sheath (weighed by me)
Handle: G10 on a full tang
Sheath: Composite material with adjustable belt clip and ceramic sharpener
Produced by Al Mar, made in Taiwan
/ J - immersing myself in fixed-bladers
* Something I wrote about earlier when I presented the background to Al Mar's SERE folding knife. In all simplicity, it is about the fact that the experiences from, among other things, Vietnam showed that larger combat knives were often attached to a backpack somewhere where the soldier was not when shit hit the fan.