Below are the weapon upgrades that can be found in Resident Evil Village. You’ll need to collect all the upgrades to receive 2 trophies. The first trophy is called Gunsmith, which requires you to equip a gun with a customizable part. The Veteran Gunsmith trophy requires you to equip every gun with their customizable parts in the story.
LEMI
High-Capacity Mag
This weapon upgrade can be purchased from the Duke for 9,000 Lei.
Recoil Compensator
This upgrade is located in a briefcase on a piece of furniture in the hallway just before the kitchen in Castle Dimitrescu.
M1897
Hair Trigger
This weapon upgrade can be purchased from the Duke for 8,000 Lei.
F2 Rifle
Cheek Rest
This weapon upgrade can be purchased from the Duke for 20,000 Lei after clearing the castle.
High Magnification Scope
This weapon upgrade can be purchased from the Duke for 15,000 Lei after clearing the castle.
High-Capacity Mag.
This weapon upgrade can be found in a locked cupboard in Luthier’s house which is in West Old Town south of the Maiden of War. The code is 27-09-17, which is found on the happy birthday picture handing on the wall in the kitchen. To get into Luthier’s house, you need to obtain the key from the gardener’s house in the Garden.
M1911
Improved Grip
This weapon upgrade can be purchased from Duke for 12,000 Lei after clearing the House of Beneviento.
High-Capacity Mag.
After lowering the water level in the Reservoir, exit the gatehouse and follow the path left taking a right at the windmill and enter the house to find the weapon upgrade in a case on a table.
W870 TAC
Improved Gunstock
This weapon upgrade can be purchased from Duke for 22,000 Lei after clearing the House of Beneviento
Foregrip
After clearing the Reservoir, travel to the Lone Road and use the crank on the nearby drawbridge to lower it. Hop in the boat then turn around and follow the river to the dock at the end. Disembark and follow the path to the right to reach a cave. The upgrade will be in a suitcase on a trunk in the cave.
M1851 Wolfsbane
Increased Capacity Cylinder
Purchase this upgrade from the Duke for 100,000 Lei in Heisenberg’s Factory.
Long Barrel
After you get Heisenberg’s Key, head to the left of the foundry machine in Heisenberg’s Factory MB4 to reach the Operating Room. Access the door that was previously locked. Be careful as an enemy will break through a wall in this room. When it does, head behind him to find a briefcase that contains the weapon upgrade.
V61 Custom
Gunstock
Purchase this upgrade from the Duke for 35,000 Lei in Heisenberg’s Factory.
SYG-12
Red Dot Sight
Purchase this upgrade from the Duke for 42,000 Lei in Heisenberg’s Factory.