The 10mm pistol silencer dampens the noise caused by the weapon, which aids in remaining hidden while shooting.
- Alexander, at the 188 trading post
- Arms merchant, at 188 trading post
- Blake, Crimson Caravan Company
- Cliff Briscoe, in Dino Bite gift shop, at Novac
- Dale Barton, The Fort
- Great Khan armorer, the Great Khan armory near Red Rock Canyon
- Vendortron, Gun Runners kiosk
Prior to patch 188.8.131.522, the 10mm silencer was only worth 250 caps.