"A silencer for the 9mm full-automatic machine pistol. Your gunfire will be unheard by the enemies."
— Item description - English
"9mmフルオート・マシンピストル専用鉸声が敵に気付かれない!"
— Item description - Japanese

The Silencer (TMP) was an item that was at some point intended to appear in Resident Evil 4, the item can be seen in the Resident Evil 4 Public Beta with the use of cheats or its debug menu.

When hacking, it is possible to reach the Merchant in the Cave, where it can be seen as a buyable item for 5000 Pesetas.

Sources

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