Grizzly (.22-caliber rifle)

The Grizzly and the Grizzly 2.0 is a 3D printed .22-caliber rifle created around August 2013. It was created using a Stratasys Dimension 1200es printer.[1] It was created by a Canadian only known by the pseudonym "Matthew" and told The Verge that he is in his late 20s, and his main job is making tools for the construction industry.[1][2]

The original Grizzly fired 1 shot then broke[1] Grizzly 2.0 fired 14 bullets before getting damaged due to the strain.[2]

Specification

The “Grizzly 2.0″ has 50 percent larger barrel with a rifled bore, a larger receiver and new hammer. In a video posted online by the creator, the Grizzly seemed to have successfully fired a Winchester Dynapoint .22-caliber bullet, like the Liberator .380. The only metal in the Grizzly is a 1-inch roofing nail plus whatever metal is in the cartridge.[3]

Printer

The printer used to make the rifle was a Stratasys Dimension 1200es printer[1] costing $10,000 as of August 2013. It was made using ABS plastic.[2]

"Matthew" said the rifle had taken 3 days to build, and about 27 hours to print it. He revealed it took him 13 hours to print the receiver, 6.5 hours to print the barrel, 5 hours to print the stock and 2 hours to print the rifle's internal parts.[1]

See also

References
  1. First 3-D printed rifle fires bullet, then breaks, NBC News, July 26, 2013. () Archived 2023-04-09 at the Wayback Machine
  2. World's first 3D-printed rifle gets update, fires 14 shots, The Verge, August 4, 2013.()Archived 2023-04-09 at the Wayback Machine
  3. World's Possibly First 3D-Printed Rifle Is Fired on YouTube, Mashable, August 2013. () Archived 2023-04-11 at the Wayback Machine
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