RSh-12

Rare card · No. 48247

The RSh-12 (Russian: Револьвер Штурмовой калибра 12,7, romanized: Revolver Shturmovoy kalibra 12.7, lit. 'Assault revolver calibre 12.7') is a Russian-made revolver chambered in 12.7×55mm STs-130. It was developed at the request of, and is believed to be in limited service with, the FSB's counter-terrorism units. The RSh-12 fires from the bottom chamber of the cylinder (like the Chiappa Rhino and Mateba Autorevolver) rather than the more common top chamber, and is chambered for the same ammunition as the ShAK-12 battle rifle and VKS rifle. It achieves a relatively light trigger pull on follow-up shots by using the recoiling barrel, upper frame, and cylinder assembly to compress an internal hammer spring as they slide back on the grip frame. This differs from true recoil-operated revolvers such as the Webley-Fosbery and Mateba Autorevolver, which use the recoiling upper assembly to rotate the cylinder and cock the hammer.

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