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Benchmade 3310 Infidel AUTO OTF 3.95" S30V Satin Plain Drop Point Blade

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BM3310: 3310 Infidel OTF AUTO, Drop Point

Benchmade Knife Company

The single-edged blade variant updates what is quickly becoming a Benchmade classic. 

Introducing an OTF like none-other.. The Infidel® is rapidly making believers out of many a skeptic. Built for strength and reliability the patent pending double-action mechanics get it done over the long haul. Grab on and you will find the handle grip rock-solid with its patented machined in Presidio® style bi-directional tread pattern, and overall generous sizing for gloved hands. Intuitively pressure the release-slide forward and its spear-point edged steel fires and locks up with a unique three-point retention system with amazingly negligible blade play. Reverse the process and the blade retracts in a rapid blur of motion.

The Benchmade Infidel is a special operator's fantasy come true.



  • Ambidextrous Function
  • Overall Rugged Construction
  • Double Action Slide Release
  • Integrated Cleaning Port
  • Deep Pocket Carry-Clip


  • Blade Length: 3.95"
  • Blade Thickness: 0.118"
  • Blade Material: S30V Premium Stainless Steel
  • Blade Hardness: 58-60HRC
  • Blade Style: Utility Drop-Point; Ambidextrous Thumb-Slide
  • Weight: 4.90oz.
  • Clip: Removable Deep Pocket Carry-Clip
  • Lock Mechanism: Double Action Out-the-Front Auto
  • Handle Specs: Black Anodized, Machined 6061 T-6 Aluminum
  • Overall Length: 8.95"
  • Closed Length: 5.00"
  • Sheath Material: Pouch/Sheath MOLLE® Compatible


If you're not happy with your new knife, At Benchmadegood, we offer a 60-day no-questions-asked money back guarantee. We cover all costs associated with your returns.



You read that right. We offer free shipping on orders over $89. Our products often ship out the same day they are ordered, so you'll get your new knife in your hands fast.



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