Shpital'nyi-Vladimirov Aviatsionnaya Krupnokalibernaya - large caliber aircraft gun designed by B.G. Shpital'nyi and S.V. Vladimirov.
12.7mm modification of the ShKAS 7.62mm machine gun and forerunner of the 20mm ShVAK cannon.
| Year | 1935 |
| Caliber | 12.7mm |
| Projectile | 48g |
| Rate of fire | ?rpm |
| Muzzle velocity | ?m/s |
| Weight | ?kg |
| Overall length | ?mm |
| Barrel length | ?mm |
Appeared in 1935, but seems not to be widely used. The Berezin UB designs had already been selected for large-scale production and parallel production of two guns of similar performance was not desirable. The Yatsenko I-28 fighter prototypes are reported to have been equipped with two of those guns.
| Modified May 5, 2000 by ; |
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