The Loadout Room
Menu
  • Shooting
        • Pistol
        • Pistol Accessories
        • Rifle
        • Rifle Accessories
        • Shotgun
        • Machine Guns
        • Air Guns
        • Ammunition
        • Optics and Sights
        • Weapon Lights
        • Tips & How-To
        • Concealed Carry
        • Holsters
        • Suppressors
        • Precision Rifle Shooting
        • Firearms Training
        • 1A Gun to Ride the River With: The Smith & Wesson 686
        • The Tristar folding shotgun is ready for your wilderness adventuresThe Tristar folding shotgun is ready for your wilderness adventures
        • maxim defense cqb stock (8)The Maxim Defense CQB Stock: Short and Sweet
        • Perfecting your zero | A little help goes a LONG wayPerfecting your zero | A little help goes a LONG way
    • Close
  • Gear Reviews
      • Mission Gear
      • Camping Gear
      • Survival Gear
      • Medical Gear
      • Adventure & Travel
      • Knives & Tools
      • Overland
      • Disaster Preparedness
      • Footwear
      • Womens Gear & Clothing
        • RIP-MVehicle Preparedness: Fast access to essential items | Grey Man Tactical RIP-M
        • Midland radioOverland Essential | Midland Radio MXT275 | GXT1000
        • ppGrab your gear and go | Here’s everything you’d need to build an adventure go bag
        • Scrubba Washbag: Keep your clothes clean in the fieldScrubba Washbag: Keep your clothes clean in the field
    • Close
  • Men’s Lifestyle
      • Fitness
      • EDC
      • Eyewear
      • Watches
      • Electronics & Technology
      • Downtime
      • Mens Clothing & Accessories
      • Manly Skills
      • Style & Grooming
      • Gentleman Drinks
      • Crate Club
        • The Outdoor Edge ParaClaw: A concealed stingerThe Outdoor Edge ParaClaw: A concealed stinger
        • How to determine how long you have before the sun setsHow to determine how long you have before the sun sets
        • fireWilderness survival expert breaks down how to build a fire
        • 5.11 Tactical Expedition Long Sleeve Shirt5.11 Tactical Expedition Long Sleeve Shirt, SWAT Tested and Approved
    • Close
  • News
  • Video Demo
  • Shop

Rat Worx MRX automatic chain driven knife

September 19, 2017 by Scott Witner 3 Comments

Rat Worx (Research and Testing WORX, Inc.) is known in the industry as a class II firearms manufacturer. Their focus has primarily been as an OEM manufacturer of gun parts for the IWI Tavor, Steyr AUG and others.

After spending three and half years in design, Rat Worx has released their patented automatic knife, the MRX, which is operated by a miniature roller chain driven by dual nested right and left hand extension springs.

The MRX chain driven mechanism is supported by ceramic-coated roller bearings that are suspended in a urethane matrix. That matrix is impregnated with aluminum disulfide for self-lubricating operation. This provides an ultra smooth reliable operation that was tested to 40-million cycles before testing was stopped.

Rat Worx MRX automatic chain driven knife

The 3.650” blade is made from 154 CPM steel that is machine ground using a bull nose end mill. The plunger button lock mechanism is stainless steel and the body is currently made of 6061 aluminum.

Rat Worx MRX automatic chain driven knife

When you pick up the MRX and fiddle with it, you’ll find that the knife has zero play anywhere. With the blade extended you can apply ample pressure side-to-side and you’ll discover there is absolutely no discernible wiggle. Despite being a production knife, it feels extremely solid and it gives you the impression of being a custom made blade. The MRX is 100% American made and features a lifetime warranty.
Rat Worx MRX automatic chain driven knifeRat Worx MRX automatic chain driven knife
The other feature that I love about this blade is the sterile look. There are absolutely no markings on the blade or handle. The markings are tucked away inside of the handle and are only visible with the blade open.
Rat Worx MRX automatic chain driven knife Rat Worx MRX automatic chain driven knife
The overall length of the MRX knife is 8.450” and it weighs approximately 5.50 ounces.
So, what do I think of it? I freaking LOVE this knife. It stands out. It makes a bold statement. It’s ergonomic and seems to be built like a tank. There’s nothing else like it on the market.

This knife excels at a field knife. I used the knife to process some wood. Because the spine of the knife is a nice sharp 90 degree angle I was able to use the spine to scrape tinder shavings off the bark of a tree and to strike a fire steel to start a fire.

I have no doubt that this knife would serve those going down range without fail. This knife would excel at everything from opening up those tasty MRE’s, to cutting paracord, or opening ammo crates, or if need be cut clothing in the event of a first aid/trauma event.

Rat Worx MRX automatic chain driven knifeRat Worx MRX automatic chain driven knifeRat Worx MRX automatic chain driven knifeRat Worx MRX automatic chain driven knife

From the Manufacturer:

“We have spent countless hours testing the durability of the MRX,” said Allen Millhouse, co-founder of Rat Worx. In one test, we opened and closed the automatic blade 418,000 times before we could get it to fail.”

Check out their testing of the MRX!

Head on over to Rat Worx today to get your MRX 

Share This

Filed Under: Knives & Tools Tagged With: Auto Knife, chain drive, MRX, Rat Worx USA

About the Author

Avatar

Scott Witner is the Editor of The Loadout Room and handles product sourcing for both Crate Club and Cuna Dog. He is a former Marine Corps Infantryman with 2ndBn/8th Marines and was attached to the 24th MEU(SOC) for a 6 month deployment to the Mediterranean. He has completed training in desert warfare at the Marine Air Ground Combat Center, mountain warfare and survival at the Mountain Warfare Training Center and attended the South Korean Mountain Warfare school in Pohang.

See All Scott Witner Articles

More From The Loadout Room

Comments

What’s Hot

Top 8 upgrades every Kel-Tec Sub 2000 owner needs: MCARBO parts review
Featured

Top 8 upgrades every Kel-Tec Sub 2000 owner needs: MCARBO parts review

Why .45ACP is an outdated caliber
Ammunition

Why 45 ACP is an outdated caliber

Ammo Review: CCI COPPER-22, the Fastest .22 LR Ever
Ammunition

Ammo Review: CCI COPPER-22, the Fastest .22 LR Ever

Safariland Model 7304 ALS/SLS holster
Firearms Accessories

Safariland Model 7304 ALS/SLS holster

AR Build Kits under $300
Firearms Technology

Peak AR: Davidson Defense AR Build Kits under $300

Email Newsletter

Sign up to receive email updates daily and to hear what's going on with us!

In Case You Missed It

Gear Reviews

A Gun to Ride the River With: The Smith & Wesson 686

October 9, 2019 Leave a Comment

Camping Gear

The MSR Pocket Rocket | Your little camp dragon

October 8, 2019 Leave a Comment

The Outdoor Edge ParaClaw: A concealed stinger
EDC

The Outdoor Edge ParaClaw: A concealed stinger

October 7, 2019 Leave a Comment

Gear Reviews

A plate carrier for the big boys: AR500’s Testudo Gen 2 is a good pick for large frames

October 7, 2019 Leave a Comment

Get it on Google Play

© Copyright 2021 Crate Club Group · All Rights Reserved.

  • Privacy Policy
  • Terms of Use
  • Advertisers