D-Series Custom Buttons



*Purchase a Build KIT for custom builds,  Includes All Necessary Hardware
*NO Screws NO Blade Included when purchasing BUTTON ONLY

  • UPGRADE a D-Series Button
  • we offer COLOR VARIATIONS to those looking to customize.
  • the NEW CHEVRON engraving will make any D-series your own. 

Compatible with:

UPK-D1, D2, D3, and D4

Button Material Comparison (Tensile Strength)

  • 440A Stainless Steel 220+ ksi 
  • 7075-T6 Aluminum 74 ksi
  • 50% Glass-filled Nylon 9 ksi


  • Requires Torx T20 Driver to remove screws (Not Included)
  • When disassembling ; There are 2 stainless springs located under/inside the Button, maintain pressure on button when loosening the Lock screw,  recommend  opening slowly.
  • Upgrade requires the use of Loctite 243 during screw replacement and is included

What's Included

Button ONLY (existing hardware Required)

  • Custom Button