Caliburn Mag-Fed Pump-Action Nerf Blaster
by captainslug, published
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CHANGE NOTE 10/21/17: Cosmetic changes to multiple parts. Changed the "Ansuzalgiz" stock spacer part to include a third leg so extra strength
CHANGE NOTE 10/15/17: RAIL_TOP Picatinny spacing was slightly out of tolerance
CHANGE NOTE 10/12/17: Changes to Plunger and Ram2O to address vacuum-loading issues
CHANGE NOTE 10/04/17: Changed MAGWELL Inside profile to improve compatibility with JET Katana Mag adapter. Widened through holes in a variety of parts to reduce the likelihood for drilling after print. Narrowed JAM part to make it compatible with Artifact P-Mags. Plunger and Ram components are now available for both O-Rings and Skirt seals. O-ring design has no leaks, but skirt seal option is still available for backwards compatibility purposes.
ASSEMBLY INSTRUCTIONS: http://captainslug.com/nerf/Caliburn3DPAssembly.pdf
Blaster is compatible with FULL-LENGTH and Half-length dart magazines. It is also capable of loading 1 to 4 darts at a time by simply cycling the breech more than once per priming stroke.
The Caliburn is a Mag-Fed Pump-Action Homemade Nerf Blaster design released as a PUBLIC DOMAIN file set by Captain Slug (http://www.captainslug.com).
WARNING: This blaster MAY NOT BE SAFE FOR INDOOR PLAY. Even with the weaker spring, the o-ring removed, and firing full-length darts this blaster will easily shoot faster than 150+ fps. So keep this in mind as to where and when this blaster is used. It can and will produce welts at point-blank range.
You are welcome to and encouraged to modify the files in any way you want. The Majority of the parts can be printed with infill as low as 20% in PLA, but I would recommend printing in layers of 200 Micron or smaller.
The Following parts however ARE REQUIRED to be printed at 100% infill: Bolt1, P1, P2, P3b, Ram2, Sear, and Spreader.
This Blaster design is also offered in a version you can machine out of polycarbonate if you are interested in crafting one from scratch. The write-up and machining templates for that version are available at: http://captainslug.com/caliburn.html
Assembled Blasters and Blaster Kits are available for sale as commissioned items.
Hardware kits to allow you to assemble on you've printed yourself are restocked nearly every weekend.
All of the above are for sale on Etsy as well as eBay.
100% for some, 25% for most
None of the parts will require support material. P3b turns out ugly on some printers but will work with a little light sanding on its exterior. Some users have seen bed-warping in the sides of the Grip assembly, I'm not sure that it would really impact assembly much.
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Caliburn Mag-Fed Pump-Action Nerf Blaster by captainslug is licensed under the Creative Commons - Public Domain Dedication license.
What does this mean?
- Remixing or Changing this Thing is allowed.
- Commercial use is allowed.
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