Knife Survival System: The Ka-Bar® Becker Champion BK2

My Ka-Bar® Becker Champion BK-2 Knife Survival System is generating interest. Let us find out what is in my knife survival kit.

My Ka-Bar® Becker Champion BK-2 Knife Survival System is generating some interest on my social media accounts. It seems that every time I post a picture of the kit, people send me questions about it. As with most things related to wilderness survival, there is a lot of interest concerning survival gear. Backpackers, hunters, preppers, survivalists, and those who love the outdoors are getting into survival gear. So, let us find out what is in my knife survival kit.

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The Knife: Ka-Bar® Becker Champion BK-2

The Ka-Bar® Becker Champion BK-2 is the standard fixed-blade knife that I carry on the trail when I go backpacking. Most of the time, I wear it on my belt. However, some backpacks are not belt-knife friendly, so the knife goes into one of the outside pockets of that particular pack. For example, when I am using my Kelty® Redwing 50, the knife kit will be stored in one of the large side pockets on the outside of the pack.

 
The BK-2 is the first fixed-blade knife that I purchased after doing some research back in 2015. Most of the survival knife reviews that I read, at that time, had the BK-2 ranked somewhere on their top ten list. Furthermore, the knife is a quality product that also fit into my budget. Thus, it was sensible for me to purchase this knife from a familiar and reputable company. Ka-Bar has an extensive history supplying fighting knives to the U.S. military.

 

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Knife Description

  • Weight: 1 lb.
  • Overall length: 10.5 inches
  • Blade Type: Fixed Blade
  • Blade Length: 5.25 inches
  • Blade Thickness: .25 inches
  • Blade Width: 1.625 inches
  • Blade Shape: Drop Point
  • Blade Material: 1095 Cro-Van
  • Blade Grind: A high Scandi Grind with a beveled edge. Ka-Bar calls it a Flat Grind, but it is not a textbook flat grind.
  • Rockwell Hardness: 56-58
  • Handle Material: Ultramid-B®.

Ultramid-B® is a hardened, unreinforced plastic manufactured by BASF® (Ultramid, BASF.com, 2019, https://products.basf.com/en/Ultramid.html).

Pros

The knife is heavy enough to do some light chopping. It is also proficient at batoning and feather sticking wood. Its thick blade allows it to do the basic bushcraft skills such as carving, chopping, processing, skinning and scraping (with blade edge). This knife is one of the best on the market for outdoorsman and backpackers.

Cons

Some of the criticisms of this knife by others are that the blade comes coated and the standard handle scales are too smooth. These criticisms from bushcrafters are valid if one wants a knife for processing game. The Becker Champion is designed to be an all-around task knife. One con with this knife is that the blade spine is not ground to a sharp 90° angle for use with ferro rods or flint rock. It also limits the knife on scraping bark or hides.

Suggested Improvements

There are two improvements that Ka-Bar could make to this knife to improve it, overall. The first improvement is to replace the powder coating on the blade with a more game processing-friendly coating or a patina. Another option for Ka-Bar would be to offer the knife with no blade coating. The second improvement to the knife is to grind the spine to a sharp 90° angle for more efficient scrapping tasks and use with fire making implements.

The Sheath: Spec-OPS Brand® Combat Master (Short)

The sheath that works well with the Becker BK2 knife is the Spec-Ops Brand® Combat Master (Short) sheath. The Combat Master sheath is the 21st-century version of the leather sheath from the Air Force Survival knife (OKC 499). The sheath is made of 1000 denier Cordura® fabric. It is compatible with MOLLE gear such as MOLLE rucksacks, body armor, and load bearing vests. This sheath works well with the current MOLLE Rifleman’s Kit. The sheath is also compatible with waist belts, such as tactical rigger’s belts or a leather Kore Essentials belt.

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Sheath Description

  • Length: 13 in.
  • Width: 2.875 in.
  • Fits blades up to 6 inches long and 1.25 inches wide.
  • Fully adjustable outside pouch.
  • Diamond Braid cordage laced around the edge of the sheath.
  • KYDEX® liner can be removable for cleaning.
  • Two Belt Loops with snaps and Velcro
  • Web loop at the bottom for tie-down to packs, leg-loop, etc.
  • Double-layered 1000D Cordura® fabric for sheath body
  • Mil-spec. Grommet tie-downs along sides of the sheath body.
  • Snapping Handle Securing Strap

The Sharpening Stone: Gator Finishing Products® Pocket Sharpening Stone

The sharpening stone that works well with this kit is the pocket sharpening stone by Gator Finishing Products®. However, any pocket whetstone or sharpening stone that is 4 in. x 1 in. x .25 in. or smaller will work. This one just happened to be the one that I found first while shopping at a Tru-Value® hardware store in Virginia. The manufacturer recommends using honing oil on the more coarse side of this stone. However, a possible field expedient honing oil could be the CLP oil in your weapon cleaning kit. Nevertheless, I am sure that the knife gurus have better recommendations for pocket sharpening stones.

 

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Stone Description

  • Length: 3.937 in.
  • Width: 1 in.
  • Thickness: .437 in.
  • Grit: One side is 60 grit. The opposite side is 80 grit.

The Ferro Rod: Böker® Plus Fire Starter

The current ferro rod that I use with this system is the Böker® Plus Fire Starter. It has some features that make it a great addition to this system. The Böker® Plus Fire Starter is a longer version of the Aurora Fire Starter. The item has a threaded, aircraft aluminum body with non-slip checkering. It has a small button compass embedded in the handle. The striker is 3 inches long with some interesting features. It has a bottle opener and a hex opening for use with small hex bits. There is a 1/10,000 map measuring tool on one side marked to 5 kilometers. On the opposite side of the scraper is a metric ruler up to 5 centimeters. There is a sharpened single bevel edge that is .5 inches long on the bottle opener side of the tool. The sharp edge gives the ability to cut cordage.

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Description

  • Length: 4.5625 in.
  • Width: .625 in.
  • Ferro Rod Length: 2.25 in.
  • Some optional ferro rod choices for this system would be the Aurora Fire Striker, the Bear Grylls Compact Firestriker, or the Exotac Nanostriker.

Final Thoughts:

My Becker BK-2 Survival Knife System is an attempt to find a one system solution for general outdoor and backpacking activities. There are many other more robust options on the market, such as the TOPS Knives Bushcrafter Kukri 7.0. However, for a budget-friendly option, this system meets my needs in the field. As you consider your field gear options, it is helpful to remember three primary considerations: your gear knowledge, your gear experience, and your gear budget.

 

 

Product Purchase Links

Alternate Fire Strikers

A Short History of the Air Force Survival Knife

The genesis of the Air Force Survival Knife goes back to the 1950s at the dawn of the jet age. Here is the basic history of this knife.

June 21, 2018

Many of us have been exposed to the fixed blade knife known popularly as the Air Force Survival Knife. We have seen it in outfitter stores, marketed on the internet, and may even have owned one. Possibly, some may have had one issued to them while serving in the military. This knife has been around for many years. It used to be a standard piece of gear for anyone, including backpackers, who was a serious outdoorsman and wilderness adventurers back in the 1970s and 1980s, before the Rambo movies made popular the Rambo-type survival knife. I became curious about the background and history of this knife about a year ago. It was enlightening to discover that there is very little information available on the background and origins of this knife. Most of the information that I have collected about the knife comes from blogs and knife forums on the internet. After vetting the information against the published government standards for this knife and the government procurement process, what emerged was a unique story of an iconic knife that has found its way from the military to the civilian outdoor world and into the hearts of many owners and users.

Origins Of A New Survival Knife for Military Aircrews

Robin Olds Survival Knife2The genesis of the Air Force Survival Knife goes back to the 1950s at the dawn of the jet age. The U.S. Defense Department published to private industry requirements for a standardized fixed blade knife to issue to pilots and aircrews of the various service branches. Before this requirement, knives of several types were procured by the individual branches of the military and dispensed to their members. By contrast, the current DoD procurement process is much more refined and regulated. Thus, the current standards, methods, and procedures were not necessarily applicable to the procurement process that brought this knife into existence. As such, finding a definitive history of the development and procurement of this knife is difficult to reconstruct. It is assumed that such information resides in the archives of the companies that have manufactured the knife as well as the files of the DoD. However, based on the information that I have collected, vetted, and coupled with my own experience with the DoD procurement and testing process, here is the basic history of this knife.

The story of this knife seems to begin in 1953, when the DoD announced to private industry their specifications for a standardized survival knife for pilots to interested vendors in Military Specification MIL-K-8662 (16 October 1953). Companies interested in gaining the government contract received these requirements and submitted proposals for consideration based on those requirements. As the development and testing process began to take shape, updates to the original specification documents were published. The 1954 update calls for the knife to have a sharpened clip point blade and an additional rivet to the sheath. That same year, the Marble-Arms Corporation (now known as Marble’s®) began work on designing their prototype for the survival knife based on the government specifications. In 1957, the Marble-Arms Corporation submitted to the U.S. government a design based on their Ideal Hunting Knife design. This design was accepted, and the military specifications documents were updated to reflect Marble’s concept in MIL-K-8662A (04 November 1957). This military specification document would become the standard for further improvements and changes to the pilot survival knife throughout the years.

Marble produced several thousand knives for field testing and delivered them to the U.S. Air Force between 1957-1959. After the completion of testing and bidding competition between Marble, Camillus Cutlery, and the Ontario Knife Company (OKC), Camillus was awarded the contract to supply the new Jet Pilot Survival Knife (JPSK) to the Department of Defense instead of Marble. Camillus produced the knife with a 6-inch blade from 1959-1961. In 1961, updates to the military specifications called for a 5-inch blade. Camillus produced the Jet Pilot Survival Knife with a 5-inch blade from 1961-2006. It appears that in 2006, Ontario Knife Company became the current vendor to the DoD of the Jet Pilot Survival Knife under the National Stock Number (NSN): 7340-00-098-4327. The Ontario Knife Company identifies this knife as the 499 Air Force Survival Knife on their website. Additionally, OKC is the only company selling this knife commercially.

The Air Force Survival Knife Introduced to the Commercial Market

The Air Force Survival Knife was introduced to the commercial market by Marble after not being awarded the DoD contract to supply the new survival knife to the military. The reason behind Marble selling their knife to the general public was due, in part, to pre-maturely manufacturing several thousand knife blades and parts in advance of learning who would be awarded the government contract to supply the knives to the military. To recuperate some of the money that they had spent producing blades and knife components, Marble offered a civilian version of the knife to the public in 1961. Their commercial version of the survival knife had a polished blade instead of a subdued or blued blade, brass guard, and polished pommel. These knives became popular with outdoorsman. Later, after service members began returning from Vietnam, the military-grade issued knives began to be seen on the market. Currently, the military-grade Air Force Survival Knife is only manufactured and sold by the Ontario Knife Company.

Design Features for the Air Force Survival Knife

The primary document that describes the various features of the Air Force Survival Knife is Military Specification MIL-K-8662 (16 October 1953). Over the decades, this document has been updated. The current edition of this document is Aerospace Standard SAE-AS-8662. However, the essential features of the knife have remained constant throughout the life of the knife. What are the unique features of the Air Force Survival Knife, as outlined in the U.S. Government specifications?

Basic Description:

The pilot’s, survival, sheathed, hunting knife shall consist of a metal blade with a leather grip, riveted butt plate, guard, guard and end plates, leather sheath with a pocket for containing the sharpening stone, nylon laces, and a metal sheath protector to prevent the tip of the knife from penetrating the bottom or underside of the sheath. The intended use of the knife is for pilots as required in survival situations.

The Blade:

  • The blade is to be a “through tang” blade blanked from AISI 1095 steel conforming to MIL-S-8665 Steel Bars, Carbon, AISI 1095, Aircraft Quality.
  • The blade will be tempered to a Rockwell Hardness of C50-C55
  • The cutting blade is to be 5 1/8 inches long and 3/16 inches thick.

The Sheath:

  • The sheath shall be made of leather in compliance with Federal Standard KK-L-271 Leather, Cattlehide, Strap, Vegetable Tanned.
  • The sheath leather shall be 8/64-inch-thick
  • The sheath welt shall be 3/8-inch-thick and 2 ½ inches in length.

The Handle Grip:

  • The grip will be made of leather in compliance with Federal Standard KK-L-165 Leather, Cattlehide, Vegetable Tanned and Chrome Retanned; Impregnated and Soles.
  • The leather for the grip will be cut into washers, 1/8 inch in thickness.
  • The leather will be treated with para-nitrophenol fungicide.
    • Paranitrophenol fungicide:
      Paranitrophenol was first registered in the United States in 1963 as a fungicide incorporated into leather products and hides as a preservative. A second fungicidal product was registered in 1967. Both products contained a second active ingredient, salicylanilide. However, the registrations for all registered products containing salicylanilide as an active ingredient have been canceled. Currently, one pesticide product is registered to contain para-nitrophenol as an active ingredient. This registration, granted in 1980, is for use of paranitrophenol as a fungicide incorporated into leather for military use, at a concentration not to exceed 0.7% on the basis of dry finished leather weight. In 1983, this registration was amended to add the use of the product for incorporation into cork insulation for military use.

The Sharpening Stone:

  • The sharpening stone shall be fabricated from silicon carbide, grain size 280, hardness P, vitrified bond.
  • The sharpening stone size shall be 3 inches long, 7/8-inch-wide, and 1/4 inch thick.

Some Comments on the Design Features of the Air Force Survival Knife

The Air Force Survival Knife was designed to meet a particular requirement for the military. As such, this knife was not intended as a frontiersman or bushcraft knife, per se. The design features for this knife came about through various inputs from servicemembers, survivability researchers, and training developers. Moreover, the requirement for having a standard survival knife for pilots and aircrews across the DoD was due to economic considerations and budgeting constraints at the time which fostered standardization across the military services. Furthermore, standardization of equipment reduces costs upon the logistical system. These influences upon the procurement system tempered the DoD design features of the knife.

Additionally, the jet age in military aviation increased the number of gear pilots and aircrews had to carry on their flights. Thus, finding ways of reducing the bulk of the Aviation Life Support Equipment (ALSE) assisted in the overall weight considerations for flying. Consequently, the knife blade being reduced from six inches to five inches allowed it to retain some of the qualities necessary to carry out survival tasks, but small enough that it could be easily stowed on an aircrewman’s vest without causing interference for aircrews trying to carry out their duties while flying.

In particular, some questions that arise with this knife are those regarding two specific features of the knife: the saw-toothed spine and the two holes in the handguard. The serrated spine on this knife is part of the functional requirements for this knife. One of the tasks that this knife was designed to accomplish was helping pilots and aircrews egress their downed aircraft or to help first responders extract them from their downed aircraft. The serrated spine was designed to cut through the aluminum skin surrounding the airframes of Korean and Vietnam War-era aircraft. The sharpened clip point on the blade allows the pilot to punch a hole in the aluminum then use the knife spine as a hasty saw to cut through the aircraft skin during an aircraft egress situation.

Additionally, synthetic composite materials like Kevlar had not been fully integrated into aircraft construction until the late 1970s and 1980s. Thus, this knife became obsolete for its original intended use when the majority of military aircraft incorporated composite materials. However, it was still adequate for survival situations and therefore remained in the Federal Supply System.

The second question that arises concerning some of the features of this knife is the purpose of the two holes in the blade guard. As best as can be ascertained, the two holes are used as lashing points for cordage for survival tasks in the field, such as creating a hasty spear. However, there is not enough information in the literature to determine with certainty the purpose of the holes. As with many uses of military equipment, service members use considerable ingenuity in the field when employing their equipment and therefore, the use of the holes in the blade guard for cordage lashing points may have been a field expedient use of the knife rather than as an intentionally designed purpose. So, as stated earlier, the archives of Marble or the DoD may reveal conclusively if the reason for the holes in the handguard.

Further Developments of the Air Force Survival Knife

In the early 2000s, the U.S. Army published requirements to private industry for an aviation survival knife to replace the aging Air Force Survival Knife. As a result, the Ontario Knife Company developed a prototype based on the 1957 design that was first submitted by Marble. Ontario’s model became the Aircrew Survival and Egress Knife, System (ASEK) based on the published requirements by the U.S. Army. Ontario’s knife became procured by the U.S. Army and was issued a National Stock Number, NSN: 1095-01-530-0833 within the Federal Supply System. However, this was not the end of the aging Air Force Survival Knife. It is currently still in inventory with the DoD through the GSA. As a further development on the Air Force Survival Knife, the Ontario Knife Company offers a second-generation civilian version of the knife in its Special Purpose SP® series of knives. It is the SP 2, Survival Knife.

Some Concluding Thoughts

The Air Force Survival Knife has had a storied, yet obscure, history. The knife has been in continuous service with the Department of Defense for over sixty years. The iconic design features of the knife, that have characterized its look, have remained unchanged since its inception. This is a testimony to the ingenuity of the design team that developed the knife at the Marble’s company. As well, it must be remembered that this knife was designed to address a specific need for the U.S. military and was not intended to be used outside of that context. However, because of Marble’s premature manufacturing of the knife before it was awarded a government contract, the rest of the world gained the privilege to own this knife.

The Air Force Survival Knife will be around for a very long time. Even if the Ontario Knife Company discontinues their production and the DoD phases them out of their inventories, the knife will be around for commercial purchase. Surplus stores will purchase them in bulk through U.S. Government auctions, collectors will buy them at auctions, military museums will display them, and they will continue to be available for purchase on the internet. It is also suspected that knife makers will begin to find ways to improve the knife and manufacture their versions of the knife similar to what knife companies are doing with other legacy knife designs.

The journey of this iconic knife has been exciting to discover. I own one as a backup knife for my backpacking, outdoor, and emergency needs. The Air Force Survival Knife is an excellent knife. Those who do not currently own one should purchase one. It will not be long before you are won over by the versatility and practicality of the Air Force Survival Knife.

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The Original Design Proposal Submitted by Marble for a Pilot’s Survival Knife

 

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Advertisement for the Camillus Air Force Survival Knife
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The Marbles Commercial Pilot Survival Knife

 

 

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The OKC Aircrew Survival and Egress Knife (ASEK) System

 

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The OKC SP 2 Air Force Survival Knife