Grizzly (.22-caliber rifle)
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The Grizzly and the Grizzly 2.0 is a 3D printed .22-caliber rifle created around August 2013. It was created using a
Stratasys Stratasys, Ltd. is an American-Israeli manufacturer of 3D printers, software, and materials for polymer additive manufacturing as well as 3D-printed parts on-demand. The company is incorporated in Israel. Engineers use Stratasys systems to model c ...
Dimension 1200es printer. 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.First 3-D printed rifle fires bullet, then breaks
NBC News, July 26, 2013. () World's first 3D-printed rifle gets update, fires 14 shots
The Verge, August 4, 2013.() The original Grizzly fired 1 shot then broke Grizzly 2.0 fired 14 bullets before getting damaged due to the strain.


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.World's Possibly First 3D-Printed Rifle Is Fired on YouTube
Mashable, August 2013. ()


Printer

The printer used to make the rifle was a
Stratasys Stratasys, Ltd. is an American-Israeli manufacturer of 3D printers, software, and materials for polymer additive manufacturing as well as 3D-printed parts on-demand. The company is incorporated in Israel. Engineers use Stratasys systems to model c ...
Dimension 1200es printer costing $10,000 as of August 2013. It was made using
ABS plastic Acrylonitrile butadiene styrene (ABS) (chemical formula (C8H8)''x''·(C4H6)''y''·(C3H3N)''z'' is a common thermoplastic polymer. Its glass transition temperature is approximately . ABS is amorphous and therefore has no true melting point. AB ...
. "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.


See also

*
List of notable 3D printed weapons and parts This is a list of notable 3D printed weapons and parts. The table below lists noteworthy 3D printed weapons (mainly firearms) and parts of weapons as well as items with a defense-related background. It includes 3D printed weapons and parts creat ...


References

.22 LR rifles 3D printed firearms Rifles of Canada


External links


Grizzly_Handgun-Canadiangunnut
{{webarchive, url=https://web.archive.org/web/20230409004340/https://github.com/maduce/fosscad-repo/tree/master/Firearms/Grizzly_Handgun-Canadiangunnut, date=2023-04-09