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SIL Ammo Clip - Speed loader for SIL hybrid repeating bow

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Creation's quality: 2.8/5 (2 votes)
Evaluation of members on the printability, utility, level of detail, etc.
  • 1.6k views
  • 6 likes
  • 90 downloads

3D model description

I think this video will explain how it works:
https://www.youtube.com/watch?v=MlFtDrykbh0

SIL Ammo Clips works only with SIL hybrid repeating bow:
https://cults3d.com/en/3d-model/various/sil-hybrid-pump-action-repeating-bow

SIL Ammo Clip is dedicated for 7 standard bolts, 15 inches long and 7.5 mm in diameter (carbon bolts for EK Archery Cobra R9 / Cold Steel Cheap Shot 130 crossbows). This ammo clip is 3D printed (5 parts) and requires only 6 external elements to work - 5 pieces M3x16 mm screws with round head and small spring from a clicky pen (4.2 mm diameter and about 20-25 mm length).

When loading the magazine, it is recommended to tilt the bow slightly to the left and back and rest the rear bow handle on the hip. The rest is done by gravity when the ammo clip moving backwards.
If the bolts accidentally do not fall out of the ammo clip, you can use the magazine spring lever or your hand to load the bolts into the magazine. With a little practice, you can load a magazine very quickly.

For details, see https://legolini.com/sil_ammo_clip.php

How to assemble?
https://www.youtube.com/watch?v=AESVeXgr3a8&t=1940


Updates:
2020.11.23
The vanes on some cheap Chinese arrows are glued a little further from the nock.
Added alternative STL files "ammo_body+2mm" and "ammo_slider+2mm" with 2 mm longer room for fletching.

3D printing settings

The design is optimized for 3D printing with a layer height of 0.2 mm. For reasons of strength and durability, I recommend printing all elements with a wall thickness of 1.6 mm (4 shells), a thickness of 1.2 mm bottom and top walls, and infill 25%.
I recommend printing on glass bed to make the surfaces smoother. The 3D printer should be well calibrated (extruder steps, flowrate, first layer height).

  • 3D file format: ZIP
  • Last update: 2020/11/23 at 20:19
  • Publication date: 2020/10/04 at 20:26

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