| Calzada Bayo CB-57 | |
|---|---|
| Type | Battle rifle |
| Place of origin |
 Spain |
| Production history | |
| Designed | 1957 |
| Specifications | |
| Cartridge | 7.62x51mm NATO |
| Caliber | 7.62mm |
| Action | Gas |
| Feed system | 20 round detachable box magazine |
| Sights | Iron |
The Calzada Bayo CB-57 was a Spanish battle rifle chambered in the 7.62 NATO round. The weapon was a derivative of the StG-44 and was a contender to the CETME Modelo A.
The original article can be found at Calzada Bayo CB-57 and the edit history here.