
Biometric Sensor
The Biometric Sensor is found in the Chapter 13 Incubation Lab by using a Level 2 Security Keycard.
Stats, effects & acquisition65 source-linked references · 64 with game artwork
65 matching references · Undated entries are sorted A–Z.

The Biometric Sensor is found in the Chapter 13 Incubation Lab by using a Level 2 Security Keycard.
Stats, effects & acquisition
Blacktail is a handgun available to purchase from the Merchant starting in Chapter 7.
Stats, effects & acquisition
The Blacktail's exclusive upgrade multiplies its Power by 1.5 and costs 100,000 ptas.

Blacktail AC is a handgun unlocked by default in the Resident Evil 4 Remake Separate Ways DLC.
Stats, effects & acquisition
The Blast Crossbow is a special weapon found on a table in the Abandoned Factory during Chapter 3 of the Separate Ways DLC.
Stats, effects & acquisition
The Bolt Thrower is a special weapon that can use attachable mines as proximity explosives. It can be purchased from the Merchant starting in Chapter 2.
Stats, effects & acquisitionIn Resident Evil 4 Remake, the Bolt Thrower’s exclusive upgrade doubles its ammo capacity and costs 60,000 ptas.

The Boot Knife is a melee weapon found abundantly while exploring.
Stats, effects & acquisition
Broken Butterfly is a magnum with penetration power. It can be purchased from the Merchant starting in Chapter 7.
Stats, effects & acquisition
The Broken Butterfly's exclusive upgrade multiplies Power by 1.5 and costs 100,000 ptas.

The Chicago Sweeper is an SMG obtained by completing Professional with an A Rank.
Stats, effects & acquisition
In Resident Evil 4 Remake, the Chicago Sweeper’s exclusive upgrade grants unlimited ammo and costs 10,000 ptas.

The Combat Knife is a melee weapon unlocked by default in Resident Evil 4 Remake.
Stats, effects & acquisition
The Combat Knife's exclusive upgrade multiplies Attack Speed by 1.5 and costs 60,000 ptas.

The CQBR Assault Rifle has 3x power against weak points, penetration power, and compatibility with various scopes. Find it in an upstairs Library Square Lock Box in Chapter 10, or purchase it from the Merchant starting in Chapter 11.
Stats, effects & acquisition
The CQBR Assault Rifle's exclusive upgrade multiplies Power by 1.5 and costs 100,000 ptas.

The EJF-338 Compound Bow is a special weapon available only when playing as Krauser in Mercenaries Mode.
Stats, effects & acquisition
Elite Knife is a melee weapon with the Indestructible perk. Complete all 7 Merchant Requests in Separate Ways to obtain it.
Stats, effects & acquisition
The Fighting Knife is a melee weapon obtained by defeating Krauser (Transformed) at the end of Chapter 13.
Stats, effects & acquisition
The Fighting Knife's exclusive upgrade doubles Power and costs 80,000 ptas.

Handcannon is a magnum with penetration power. Obtain it by completing Professional without Bonus Weapons or by getting S Rank on every stage in Mercenaries Mode.
Stats, effects & acquisition
The Handcannon's exclusive upgrade grants Unlimited Ammo and costs 10,000 ptas.

Unlock the Handcannon by beating Professional without Bonus Weapons, or by earning S rank or higher in Mercenaries Mode on all stages. Its Infinite Ammo perk is unlocked by purchasing all upgrades or using an Exclusive Upgrade Ticket from the Merchant.
Stats, effects & acquisition
Buy the High-power Scope from the Merchant for 7 Spinels.
Stats, effects & acquisition
The Infinite Rocket Launcher is a special weapon available to purchase from the Merchant in a New Game Plus file.
Stats, effects & acquisition
Killer7 is a magnum with penetration power. It can be purchased from the Merchant starting in Chapter 11.
Stats, effects & acquisition
The Killer7's exclusive upgrade multiplies Critical Rate by 5 and costs 77,000 ptas.

The Kitchen Knife is a melee weapon found abundantly while exploring.
Stats, effects & acquisition
Buy the Laser Sight from the Merchant for 10 Spinels.
Stats, effects & acquisition
The LE 5 is an SMG with penetration power and compatibility with various scopes. Find it behind a locked door in the Freezer during Chapter 13 or purchase it from the Merchant.
Stats, effects & acquisition
In Resident Evil 4 Remake, the LE 5’s exclusive upgrade increases penetration fivefold and costs 80,000 ptas.

Matilda is a handgun compatible with the Matilda stock. Trade 10 Spinels with the Merchant to obtain it; the trade becomes available in Chapter 8.
Stats, effects & acquisition
The Matilda's exclusive upgrade doubles Ammo Capacity and costs 70,000 ptas.

Buy the Matilda Stock from the Merchant for 12 Spinels.

The Primal Knife is a melee weapon obtained by finding and destroying all Clockwork Castellans.
Stats, effects & acquisition
The Primal Knife's exclusive upgrade multiplies Power by 1.5 and costs 10,000 ptas.
Sources are Game8 pages explicitly titled Resident Evil 4 Remake. The weapon and attachment lists include chapter-based acquisition details; the infinite-ammo section includes New Game Plus and challenge unlocks. The supplied data does not establish broader edition or DLC coverage, and no mixed-edition or NG+ variants are identified beyond the listed unlock requirements.
Counts describe the imported source tables. They do not establish complete coverage of every patch, DLC or upgrade variant. Multiple values remain labeled as listed values when the source does not identify their upgrade levels.