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The Sigma 3 Survivor "Ultimate Bushcraft Blade" – Survival Gear and Products

The Sigma 3 Survivor "Ultimate Bushcraft Blade"

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About The Sigma 3 Survivor "Ultimate Bushcraft Blade"

This is the Sigma 3 Survivor knife, and it is the culmination of years of training in bushcraft and wanting to create the perfect bushcraft knife. There are many features that were a must have ...

Product Details

This is the Sigma 3 Survivor knife, and it is the culmination of years of training in bushcraft and wanting to create the perfect bushcraft knife. There are many features that were a must have for us as survival instructors in a bushcraft blade and this knife includes everything we think you must have for survival.

Our Sigma 3 Survivor Knife is made of solid CPM3v steel. We tried doing it in O1 steel before and it was great steel, but just not nearly as good as the Crucible CPM steel. Really nothing else on the market is better for bushcrafting and survival. High rust resistance, super durable and keeps an edge forever.

What is this bushcraft knife best used for? This blade was designed to be light to medium duty blade used for the finer work you will be doing when bushcrafting. It is not designed for batoning, even though it is completely capable of it and we do it regularly with no damage to it to date. Hell we even slammed this thing through a steel drum 200 times and it took it just fine, but that is not the recommended use for it. The scandi grind is purpose built to make super fine cuts, shavings, trap notches, and do the finer work of survival. We recommend the Standard blade for your heavier chopping and batoning tasks. We always say two is one and one is none, when it comes to bushcraft knives. It's always best to carry a backup blade like our Standard, which was purpose built to be paired with this knife.

What about the handle design? One of the things we love about these Sigma 3 Survivor's handles is that they have a very neutral grip so that you can use any style of bushcraft grip you need to get the job done. We also do not polish the handles like many companies such as Bark River Knives, and this gives you greater grip under wet or slippery conditions. We use a 36-grit finish on the G10 handle material.

What's different about this blade? Well the main thing you won't see on any other knife is the scraper on the pommel and it makes the best fire tinder of any knife tool I've used to date. It was added as a feature so that you can quickly take any piece of wood and create the finest wood dust to catch a spark from the ferro rod. Also the spine of the knife is extremely sharp and great for making sparks, as well as tillering bows and much more.


Sigma 3 Survivor Specs:

Steel: 1/8" CPM3v crucible steel

Blade Length: 4" blade length

Overall Length: 8 1/2"

Grind: Scandi grind

Spine: Sharp 90 degree spine

Pommel: (Unique to the Sigma 3 Survivor), fire making tinder scraper

Handles: G10 with a 36-grit finish for increased grip

Sheath: Leather


Let's talk about price: For many people spending $250 on a knife seems like a lot of money. But the number 1 survival tool you can carry in the woods is a good bushcraft knife and we think this is one area you should never skimp on price. This is literally the most important tool for your survival in the wilderness. We always tell our students that you should, "Buy Once, Cry Once". It is better to spend the money on a top notch knife, than to end up going through lots of cheaper knives in order to find what works best. Of all the things you can spend your hard earned money on for survival, your bushcraft knife should be your top consideration. If you find yourself dumped into the river and all your equipment is washed down the rapids, you will at least have your knife and firestarter at your side. The knife enables bushcrafters to create anything they need in the wilderness if they have the right training and skills. There are many great bushcraft knives out there for a lower price, but a production blade will never have the features and quality of this bushcraft knife. Custom sculpted handles to fit your hand. The best heat treat you can get. A scraper that you can't get on any other bushcraft blade out there. Hand made sheath and a great attention to detail in the whole blade making process. This just isn't something you can get from a manufactured knife at a cheaper price. Each knife takes about 10 hours to create and for craftsmanship like this, it is never going to come cheaply. American Made and produced!


If you have any questions about these knives, don't hesitate to contact us!


Customer Reviews

Based on 7 reviews

The Sigma 3 Survivor "Ultimate Bushcraft Blade"

Good knife, but not quite the best

Used the Sigmora at a primitive trapping class to construct deadfall and snare components. Worked very well, but not quite as well as my Tops Puuko. The Puuko is also more comfortable to hold. Still a very good knife.


Das Warten hat sich gelohnt. Ein super Messer.
Bin sehr zufrieden. Danke.

The wait was worth it. A great knife.
I am very pleased. Thank you.

Great knife with 2 minor faults...

Steel is great, handle is great, factory edge is wickedly sharp, etc.

The knife is beefy enough for heavy use and abuse, but the blade geometry is very capable at finer tasks. Would really be 5 stars, but 2 flaws make me downgrade it to 4 stars:

1) very excellent quality, but still slightly overpriced relative to some other options

2) personal preference, but the tinder scraper in my mind is an unnecessary feature and honestly detracts from the overall design having such a sharp pommel (can fray you clothing when worn on the belt or scrape your wrist or fingers when wearing on your belt in a sheath).


The SIGMORA "Ultimate Bushcraft Blade"