Weapons in Resident Evil 4 Remake can be upgraded through different attachments to improve and customize various tools players find throughout the game. Although various attachments are only compatible with certain weapons, players can still get these tools multiple times and apply them to nearly every gun they encounter. Ranging from scopes, stocks, and even sensors, players have a better chance to overcome the hordes of Ganados enemies in the story using these upgrades.

There are seven total weapon attachments seen in RE4 Remake, with six of them being sold through the Merchant. These attachments seen for sale by the mysterious salesperson can be bought through the game's currency, Pesetas, and Spinels. While players have many chances to find and RE4 Remake for more Pesetas, Spinels are a bit harder to find, only showing up randomly on defeated enemies or within the occasional chest.

How to Get Every Weapon Attachment

Resident Evil 4 Remake Red9 Stock Weapon Attachment Sold by the Merchant for 9 Spinels in Chapter 6

Weapon Attachment

Compatible Weapons

How to Get

Biometric Sensor

  • SR M1903
  • CQBR Assault Rifle
  • LE 5
  • Stingray

Inside the Incubation Lab seen in Chapter 13 of the story, which may only be accessed using a Level 2 Security Card.

Red9 Stock

  • Red9

Sold by the Merchant for 9 Spinels beginning in Chapter 6.

High Power Scope

  • SR M1903
  • CQBR Assault Rifle
  • LE 5
  • Stingray

Sold by the Merchant for 7 Spinels beginning in Chapter 4.

Laser Sight

  • SG-09 R
  • Sentinel Nine
  • Punisher

Sold by the Merchant for 10 Spinels beginning in Chapter 2.

Matilda Stock

  • Matilda

Sold by the Merchant for 12 Spinels.

Scope

  • SR M1903
  • CQBR Assault Rifle
  • LE 5
  • Stingray

Sold by the Merchant for 4,000 Pesetas beginning in Chapter 2.

TMP Stock

  • TMP

Sold by the Merchant for 8 Spinels beginning in Chapter 4.

Each attachment increases a stat on the weapon it gets put on, affecting qualities like Precision, Rate of Fire, or even Reload Speed. The descriptions for every potential upgrade are listed to the player before spending Pesetas or Spinels, giving a good idea of what investment is being made. Notably, most firearms are the weapons receiving these enhancements, as special tools such as the Bolt Thrower in RE4 Remake cannot equip these attachments.

How To Equip Weapon Attachments

Resident Evil 4 Remake Items Inventory Selecting Parts to Equip Weapon Attachment to Certain Gun

Once players discover or purchase a weapon attachment, they must go to the Items menu of their Inventory and select the gun they want to add the . Selecting the "Parts" prompt shows what attachments players have that are compatible with the chosen weapon, with the option to modify the gun with the specific part. Those who learn how to find these weapon attachments in this section can customize their firearm in Resident Evil 4 Remake at their leisure for the tough battles seen in missions.