First Look: Buck 040 Onset Pocket Knife

posted on June 10, 2021

Buck Knives is a leader in sports cutlery, and now they are introducing the 040 Onset, a framelock pocket knife built from the ground up for everyday carry.

“Buck’s legacy of crafting iconic products, some over a half century in continuous production, makes it easy to forget we have a state of the art facility in which we design, develop, and test our products,” said Chris Bourassa, Director of Marketing and Product Development. “The Onset is an exciting edition to our everyday carry class featuring a material and technical combination that’s tough to beat. Built, tested, and refined, every hand edged and hand sharpened 040 Onset is proudly made right here in Post Falls, Idaho.”

This new framelock knife from Buck has a S45VN Bos heat treated flat grind blade, ultra-smooth ball bearing flipper, G10 top scale and removable belt clip, all working together to elevate your everyday carry game. The Onset is built for the rigors of daily use and features a 3⅜-inch drop point blade with an overall closed length of 4⅞ inches and Rockwell hardness of 59-61, offering superior edge retention and rock solid toughness.

The 040 Onset was developed through Buck’s commitment to continually expand and enhance their EDC (everyday carry) lineup. This new knife builds on Buck’s almost 120 years of expertise in developing and optimizing knives for a variety of uses by people all over the world. 

040 Onset Specifications

  • Blade Shape: Drop Point
  • Blade Thickness: 0.12 inches
  • Weight: 4.5 ounces
  • Handle: G10
    Carry System: Pocket clip


The Onset is Made in the U.S.A. and is backed by Buck’s Forever Warranty. The knife will be available starting in August, with an MSRP of $180. For more information on this knife and other products from Buck, please visit  


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