CROSMAN MODEL 121 "CG" (GALLERY RIFLES) Description
.210 cal., CO2, repeater, 4.5 oz. cylinder, vertically attached to gun, adj. peep sight. Mfg. 1946-1949.
Sold to commercial shooting galleries, shooting clubs, hospitals, and industrial companies for employee recreation. Ergonomic variations: various factory-added modifications intended to ease pellet loading, bolt operation, and cocking. Presumably intended for use by VA hospitals and others for rehabilitation.
Note: .21 caliber intended to restrict supply of pellets to Crosman brand only. Original Crosman .210 pellet container, and some other sources, refer to this model as the Crosman Gas Carbine, Model 200.