Quartermaster Knives QBS1 Marty McFly Butterfly Knife, BeadBlast

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The Quartermaster Knives Marty McFly QBS-1 butterfly knife features their patented BladEXchange system which lets you change the blade out for a trainer blade (included with knife) with the push of a button so you can practice your technique. The handles are beadblast finished titanium and the D2 blade features a satin finish. Comes with a titanium latch. One of just 300 made, serial number on back of blade. Made in the USA.


  • Overall Lenth: 9.50"
  • Blade Length: 4.375"
  • Blade Thickness: .22"
  • Handle Length: 5.125"
  • Handle Thickness: .54"
  • Handle Material: Titanium, Bead Blast Finish
  • Blade Material: D2
  • Blade Hardness: 61-62 HRC
  • Blade Style: Tanto
  • Blade Finish: Satin
  • Weight: 5.79 oz
  • Carry Type: Pocket Clip, Tip Up
  • Made in the USA