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When you first pick up the SOG SEAL XR, it’s immediately clear this isn’t your average folding knife.
Built with the same DNA as SOG’s elite fixed blades, the SEAL XR combines raw tactical strength with the precision and speed demanded by serious users.
Every line, lock, and edge on this knife feels purpose-driven — designed for operators, first responders, and anyone who refuses to settle for fragile gear.
But how does all that muscle translate to real-world performance? In this hands-on SOG SEAL XR review, I put it through its paces to see if it truly earns its “SEAL” name or if it’s just another overbuilt EDC tank.
Table of Contents
SPECS
| Rating | ★★★★★ |
| Blade Length | 3.90 in |
| Blade Thickness | 0.19 in |
| Blade Style | Clip Point |
| Blade Material | CPM S35VN |
| Handle Material | FRN |
| Lock Type | XR Crossbar |
| Weight | 8.25 oz / 233.88 g |
| Opener | XR / Thumb Hole / Kick |
| Action | Manual |
| Pivot Assembly | Ball Bearing |
PROS
- EXTREMELY TOUGH
- EXTREMELY DURABLE
- EXTREMELY STRONG HANDLE AND BLADE
- VERY SMOOTH PIVOT POINT
- HIGH QUALITY S35VN STEEL
CONS
- QUITE HEAVY
- KNIFE IS THICK
- COULD HURT SOFT HANDS
PRICE
VERDICT SNAPSHOT
In my opinion, even though the SEAL XR is on the pricier side for kives, it is hands down worth every penny, as it is such a tank of a knife and can handle any task you throw at it.
The SOG SEAL XR is an all-around awesome knife. Out of all the knives I own and have tested, it is the most tactically focused and functional.
It has four deep finger choils, a textured grip, a lanyard hole, a thick pocket clip, and a slick clip-point blade. Although not particularly slicey, the XR is very stabby and excels at puncturing clothes and other tactical gear.
In day-to-day activities, the SEAL XR is a bit overkill, but it does everything you need it to from cutting cords and zap straps to opening bags of chips and Amazon packages.
It is a heavy-duty workhorse of a knife.
IN THE TRENCHES
The first aspect that stands out when you pick up this knife is its weight. Coming in at 8.25 oz, the SEAL XR is two, almost three times as heavy as many other popular tactical and EDC knives.
The handle also stood out because it isn’t flat at all. It’s rounded so it fits the contours of your hand and sits snugly in your fist. The handle is also extremely textured with deep jimping along the front and back and on the blade’s spine.
The first time I tried to open it, how strongly the XR lock held the knife locked in place also stood out. With a strong detent, you know there’s no concern about this knife opening when it shouldn’t.
How thick, heavy, firm, and rough the SEAL XR is are the characteristics that hit me hard when I first opened that box.
Getting used to the added weight in my pocket was probably the number one thing I had to deal with in the SEAL XR.
Never having carried a heavy-duty knife around as an EDC before, this was new to me. That being said, I got used to it pretty quickly.
I also learned that the XR isn’t as slicey as many EDCs are. Now that has nothing to do with the sharpness of the blade, but purely to do with the thickness of the blade.
Slimmer blades slice right through objects, but the thicker blade of the SEAL XR can not. The S35VN steel can be razor sharp and cut objects like butter, but it doesn’t slice them as well.
Where the SEAL XR does shine is in stabbing.
Where many thinner knives would break upon stabbing a medium to hard object, such as a kitted-out tac vest, the SEAL XR, with enough pressure, can puncture right through without bending, breaking, or chipping.
So far, it has easily handled everything I have thrown at it, with nothing more than some of the Cerakote finish coming off.
BUILD BREAKDOWN
HANDLE
SCALE OUTER TEXTURE
The outer scales are both heavily textured with diamond imprints. The rough texture provides excellent grip with both bare and gloved hands.
A complaint I have seen online is that it is too rough. I, however, don’t see it this way. I think it’s precisely what is needed in a heavy-duty tactical blade.
Most blades lose grip once you put on gloves, but this texture keeps the SEAL XR securely in place no matter how thick the gloves are.
FINGER CHOILS
The finger choils on the XR are excellent. It boasts four solid choils with an extra-deep choil at both the bottom and top of the handle.
The deep-end choils allow for an extra solid grip with your index finger, whether you’re wielding the XR in a forward or reverse grip.
Each finger choil is also slightly bevelled to fit the curve of your finger better. This makes it easier and more comfortable to grip.
SCALE LININGS
The inside of the scales has full steel linings. These steel linings are where the XR gets much of its weight and strength.
SOG did attempt to reduce the weight slightly by adding a few cutouts to the steel linings, but I don’t know how much it helped.
I like how thick and heavy the SEAL XR is, as it makes you feel like you’re actually holding a solid fighting tool.
BLADE PIVOT
The Pivot point on the XR uses ball bearings, which offer an exceptionally smooth opening. This is excellent, since the XR has such a thick, heavy blade; it needs a smooth opening to open quickly.
One issue you typically see with ball bearings is that they can get dirty and slowly become less smooth. This is especially a problem with field knives, as the field is a filthy place to operate.
SOG solved this problem to some degree by having the ball bearings recessed into the handles.
This prevents them from getting dirty as easily as many other knives.
LANYARD HOLE AND POCKET CLIP
There is a decent-sized lanyard hole on the tail end of the XR. This provides an excellent place for an extra length of 550 cord in case of an emergency
The SEAL XR features a deep carry pocket clip that lets it sit low in your pocket. Like the rest of the knife, the pocket clip is strong and beefy.
It is the widest pocket clip I’ve seen on a folding knife. A clip this size is needed on the XR; however, given its size and weight, it holds it securely in your pocket.
POMMEL STRIKE
Unlike many pocket knives, which have a glass-breaker bead or tip at the bottom of the handle, the SEAL XR has a pommel strike.
The action of pommel striking is a downward hammer fist, typically while holding a sword. So you’re hitting your enemy with the butt of the handle.
The SEAL XR, having a pommel strike, is just another part of the knife meant to be used to injure or kill an enemy combatant.
This again reinforces that the XR is a knife truly meant for the battlefield.
REAR JIMPING
The entire back side of the knife has steel jimping, from the bottom to the top. This, along with the diamond-textured scales, makes the XR extremely grippy.
Regardless of the thickness of your gloves, the XR won’t slip out of your hands. Now, at the same time, people complain that this hurts their hands and that this level of texture is unnecessary.
I strongly disagree, though. I haven’t had any problems with it hurting my hands, and it helps with grip. I quite like the jimping on the back, as it accentuates the knife’s toughness.
BLADE
STYLE
The SOG SEAL XR has a clip-point blade with a sabre grind. It comes in both a serrated edge and a straight edge, as you can see in my photos.
The classic sabre grind would typically offer great slicing ability, but with such a thick blade, it gives it what it can. It does, though, offer strong stabbing ability and a thick spine for massive strength.
MATERIAL
CPM S35VN is a premium steel created to be even tougher than its big brother, CPM S30V. This improved toughness of S35VN gives it excellent edge retention even against other high-end steels.
Its approximate hardness lies between 58 and 61 on the Rockwell Scale and is highly regarded as one of the best premium steels in the knife industry today.
Check out my article on blade steel for a more in-depth understanding of steel: “The Ultimate Guide To Blade Steel.“
SPINE WIDTH
This is one of the most significant chunks of S35VN steel you’ll find on any knife, let alone a folding knife.
The spine of the XR is 0.19 inches thick and is one of the thickest spines you’ll find on a folding knife. This thickness makes the SEAL XR extremely strong, which is why it can take such a beating.
This amount of steel, along with the liners, is also part of why the XR is so heavy and why it carries the price tag it does.
OPENER
KICK (FLIPPER)
The flipper or kick, as SOG calls it, is quite large and has the same aggressive jumping on it as the rear of the handle and the blade’s spine.
It comes in handy as the detent on the XR is so strong that you need that extra grip on the kicker to open up the knife.
Again, it is rough and sure it could hurt your hands if they’re soft, but it is not something I have had any issue with, and I don’t think most people would.
THUMBHOLE
The XR comes with a nice, big thumb hole as one of the three ways you can deploy the blade.
The issue with the thumb hole is that the handle is so thick that it is almost unusable as a practical way to open the blade.
It’s a good idea and you can use it if you’re playing around, but it’s next to useless if you need to deploy the blade with any real urgency.
XR LOCK
SOGS XR lock is their version of Benchmades Axis lock. SOG did an excellent job creating its version. It is extremely tough and strong, being able to withstand 1500 lbs of force.
The XR lock is the third method of blade deployment on the SEAL XR, and although not as easy as just using the kicker, it is easier than using the thumbhole.
You can see that the two bars at the back of the knife are incredibly thick and do an excellent job of holding the blade in place once it’s deployed.
The outside pull tabs are smooth and easy to operate, you do have to pull down quite strong however to release the blade fully. It is functionally fantastic and straightforward, and makes for a great lock on a tactical knife meant for field use.
MY TAKE
LOOSE SCREWS
The only complaint I have had about this knife is that it came with loose screws.
Now, this might be an accidental one-off, and I have never experienced it with any of the other SOG knives I have owned, but within the first month, two screws came out, and the belt clip almost came off.
When you’re paying upwards of $200 for a knife, you should not have to worry about it falling apart from simple everyday use.
I then called SOG’s customer service, and they would not replace the screws that had fallen out. Again, I had not yet done any testing of the knife, and I had not abused or misused the knife in any way.
It was highly disappointing that they fell out so easily, and then even more disappointing that SOG would not replace the screws.
SEAL FAMILY
SOGS SEAL line of knives is one of the all-around toughest, strongest, and most functional families of knives ever created. Soldiers and the tactical community were thought about from start to finish in the creation of these knives.
The whole line of knives has solid finger choils for grip, deeply textured handles, a large finger guard, a lanyard hole, a thick spine, and other than the XR a full tang.
For many years, the SEAL Pup was even issued to soldiers because it is such a simple, light, and functional knife.
SOG created these knives as brutes made to be used and abused in hostile environments. Anyone looking for a good tactical knife, backpack knife, field knife, or just an everyday carry would do well to pick up one of these.
FINAL CALL
SOG is truly a maker of tactical knives; they excel in this genre, and the SEAL XR is no different. It is a tactical beast, made to fight bad men.
The XR excels in far more than just the battlefield, though. It is the perfect heavy-duty folder for any hunter, hiker, adventurer, law enforcement, or gear enthusiast.
So, if you want to take a step out from the more traditional little slicey pocket knife and into the realm of the heavy-duty pocket knife, the SOG SEAL XR is the perfect knife to do it with.
