7.62×42 mm SP-4

silent pistol ammunition from the Soviet Union. 

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Wikimedia, Wikidata
weapon model, 

• Google Knowledge entry^@
  

pistol cartridge – 

PSS Silent Pistol (543-46)

PSS Silent Pistol (543-49)

SP4 and SP16 cartridges

SP-4 rounds after the shooting

SP-4 rounds after the shooting cropped

SP-4 rounds before the shooting

SP-4 rounds before the shooting cropped

Type	Date	Description	Keywords	Notes	Source
link		Google Knowledge entry@			Wikidata
image	2013	PSS Silent Pistol (543-46)			Wikimedia
image	2013	PSS Silent Pistol (543-49)			Wikimedia
image	2021	SP4 and SP16 cartridges			Wikimedia
image	2013	SP-4 rounds after the shooting			Wikimedia
image	2013	SP-4 rounds after the shooting cropped			Wikimedia
image	2013	SP-4 rounds before the shooting			Wikimedia
image	2013	SP-4 rounds before the shooting cropped			Wikimedia

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