Deactivated Astra Model 4000 Falcon .22 auto pistol. The Model 4000 originated from the Model 400 auto pistol, designated Model 1921 Army pistol for the Spannish army, with the Model 4000 being manufactured from 1956 - 1968. This example cocks, dry-fires and strips. In very good condition, with a strong recoil spring. Supplied with its Birmingham Proof House deactivation certificate. Conditions apply (see T & Cs).