|For an overview of 10mm rounds, see 10mm.|
The 10mm round is one of the most common types of pistol ammunition found in the Commonwealth along with the .38 round. It is the first ammunition encountered by the Sole Survivor while finding the 10mm pistol in Vault 111.
Commonly used by raiders, Gunners and Triggermen, the 10mm ammo's persistence is explained by its bulk manufacture by Circle G before the Great War, which is linked with the large-scale manufacture of 10mm pistols.
Generally owned by members of the army, private armies and for self-defense purposes in the pre-War era, 10mm ammo deals moderate damage and has a very low armor piercing potential.
10mm round (10)
Weapons using this ammunition
- 6 boxes can be found throughout Vault 75.
- 4 boxes of ammunition can be found in the lockup at Coast Guard Pier.
- 4 individual bullets can be seen sitting on a tray on Proctor Teagan's requisitions counter on board the Prydwen.
- 4 boxes can be found in the overseer's office in Vault 111.
- In Thicket Excavations, a box can be found on the desk near the terminal entries, after completing Pull the Plug.
- At the Gunners camp located to the southwest of Walden Pond, a box can be found under the wooden structure on which one of the MK I turrets are placed.
- Easily found in any ammo box.
- Sold by various vendors throughout the Commonwealth.
- This type of ammunition is the only one that can be found in Vault 111, the exception being cryo cells contained in the Cryolator.
- The bullets in-game appear to be hollow points.