| Origin: | United States |
| Type: | Submachine gun |
| Is Ranged: | yes |
| Designer: | Calico Light Weapons Systems |
| Manufacturer: | Calico Light Weapons Systems |
| Weight: | 2.17kg (empty); 2.92kg (with a fully loaded 100 round helical magazine) |
| Length: | 835mm (extended); 647mm (retracted) |
| Part Length: | 6 inches (157mm) |
| Cartridge: | 9×19mm Luger |
| Caliber: | 9 mm |
| Action: | Roller-delayed blowback |
| Rate: | 750 rpm [1] |
| Accessdate: | 5 August 2014--> |
| Velocity: | 390 m/s |
| Range: | 50 m |
| Max Range: | 100 m |
| Feed: | 50- or 100-round helical magazine |
| Sights: | Iron sights, can have various sights mounted |
The Calico M960A is an American selective-fire submachine gun (SMG) based on the Calico M950 with the addition of an extending butt and a forward grip. It is chambered for the 9×19mm Luger which takes 50-round or 100-round helical magazine which fits on top of the rear of the receiver. The M960A was first produced in 1990, and its rate of fire is 750 rpm.