Hi-Capa 1911 airsoft pistol PDW carbine conversion kit 3D print model

Carbine conversion kit for airsoft pistol Hi-Capa by Tokyo Marui, WE, KJW. This updated version finally supports TM Hi Capa Gold Match, KJW Hi Capa (even 6 inch version) and many others.

UPDATES included:

  • Hera styled stock
  • 6 inch (KJW) extender part.
  • Requires rotary tool (Dremel) and drill working because Body design is optimised for very easy printing. Model is without through holes so there are no overhangs.


  • m3 screws assorted
  • m3 square nuts
  • m5x26 screw, spring (from pen) for folding stock
  • m5x38 screw and m5 nut for optional fixation feature
  • manually made by user spring loaded lock button

Feel free to ask for product support, assembly instructions, parts list, and everything in direct messages or fb.me/niels.bor or instagram @darkmatterworks Other photos and more info here: http://darkmatterworks.com/2018/10/24/tokyo-marui-hi-capa-5-1-carbine-conversion-kit/

Design features:

  • Fast pistol release (holster style)
  • Optional mounts for even better fixation of pistol with slide release screw
  • Spring loaded lock
  • 6 picatinny rails
  • Osprey-style hollow suppressor rotation mounted
  • M4/M16 stock compatible
  • Folding stock
  • Ambidextrous charging handle
  • Access to all original controls
  • Silencing design

3d printing related features:

  • Tested to successfully print on home-grade FFF/FDM printers
  • Checked tolerances of shrinking plastic like ABS or PETG (0.5-1%)
  • M3 Hex nuts replaced to M3 Square nuts because they better fit to printed plastic
  • Splitted suppressor mount for easier printing
  • Single part body 253 mm can be printed on delta (kossel) printers
  • Improved overhanged areas angles for easier printing without supports
  • Cutouts for less material usage and weight reduction
  • Printed model is sanded and dyed with black semi-matte paint.
  • Best printed with PETG filament
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    Hi-Capa 1911 airsoft pistol PDW carbine conversion kit
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    3D model formats
    • Stereolithography (.stl) (28 files)-
    3D model details
    • Publish date2019-03-01
    • Model ID#1912319