Calico M100: full disassembly & assembly

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 to be of use to law enforcement and military markets due to its slim profile. Calico M100s were used to portray futuristic space weapons in the 1987 science fiction parody film Spaceballs. Calico M100s were also featured in the 2000 survival horror game Resident Evil- Code: Veronica.