Calico M100

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Calico M100
M105, walnut-stocked variant of the M100 carbine
Type Rifle/Carbine
Place of origin  United States
Production history
Manufacturer Calico Light Weapons Systems
Weight 3.7 lb unloaded
Barrel length 16 inches

Cartridge .22 LR
Caliber .22
Action Blowback
Rate of fire Semi-automatic
Muzzle velocity 1400 ft/s
Effective firing range 100 yards
Feed system 50- or 100-round magazine

The M100 is a blowback-operated semi-automatic rifle chambered in .22 LR, manufactured by Calico Light Weapons Systems in Hillsboro, Oregon, United States. It was originally designed and released in the 1980s[1] to be of use to Law Enforcement and Military markets due to its slim profile.[2][3]

Calico M100s were used to portray futuristic space weapons in the 1987 science fiction parody film Spaceballs.


Possessing a unique 100-round helical-fed magazine mounted on top of the weapon, the introduction of the Federal assault weapons ban made manufacture of the Calico family of weapons for sale to civilians illegal, until the legislation expired. The company is now allowed to build the exotic firearms in their original configuration.[3]

See also[edit]


  1. ^ "Calico Series of Rifles and Pistols". Retrieved 22 November 2012. 
  2. ^ "Calico M100". Retrieved 22 November 2012. 
  3. ^ a b Peterson, Phillip (15 November 2010). Gun Digest Buyer's Guide to Tactical Rifles. Iola, Wisconsin: Gun Digest Books. pp. 32–34. ISBN 1-4402-1781-5.