ARC Raiders Ferro IV: Attachments, Damage, and Amplification

Ferro IV is still a Common break-action Battle Rifle that holds one Heavy Ammo round and has to be reloaded after every shot. Amplification does not add a Ferro 5, so the muzzle, underbarrel, and stock are the only slots that change the rifle. If the gun is already in your ARC Raiders Items, that is the ceiling and the attachment layout to work from.

What Ferro IV actually fires

The Ferro lists 40 damage with a 2.5x headshot multiplier, so a headshot is 100. ARC armor penetration is Strong at 1.5x. Its fire rate is 6.6, and it lists 53.1 range, 78.1 stability, 32.1 agility, and 8 stealth, at 8.0 weight. The firing mode is break-action, and the magazine size is 1.

Upgrading to Ferro IV does not change that damage, fire rate, or magazine. The IV perks are 39% Reduced Reload Time and +30 Durability. Those bonuses sit on the rifle before any muzzle, grip, or stock is fitted. A Ferro IV sells for 2,900.

Why there is no Ferro 5

Level 5 is unlocked through weapon amplification after the Outpost is open and both the Gunsmith and the Research Station are at Level 4. A module that matches the gun's rarity is socketed into a IV copy. Other Common weapons on that list, Hairpin, Kettle, and Rattler, use an Amplification Module Mk. I.

Ferro is also Common, and it is not on the Amplification list. An Amplification Module Mk. I still drops from cargo inside the ARC Frigate and from the Fallen Emperor on Pendola Pass, but it does not open a Ferro tree. There is no Ferro 5 and no Amplified Ferro node to research or apply.

Attachments that fit a Ferro IV

The compatible slots are a muzzle, an underbarrel, and a stock. There is no magazine slot, because the rifle already holds a single round. Mods can be added and removed at the Gunsmith. Each slot takes one piece at a time.

On the muzzle, Extended Barrel I and Extended Barrel II do not fit a Ferro. Only Extended Barrel III is compatible: 30% Increased Bullet Velocity, 15% Increased Distance Until Damage Falloff, and 15% Increased Vertical Recoil. It crafts at Gunsmith 3 from 2 Mod Components and 8 Wires, and that craft stays locked until the print is in your ARC Raiders BluePrints.

The same muzzle slot also takes a Silencer, a Compensator, or a Muzzle Brake. Silencer I, II, and III reduce firing noise by 20%, 40%, and 60%. Silencer III also has 20% Increased Durability Burn Rate and is scavenged rather than crafted. Silencer I crafts at Gunsmith 2 from 2 Mechanical Components and 4 Wires and is blueprint-locked; Silencer II crafts at Gunsmith 3 from 2 Mod Components and 8 Wires and is also blueprint-locked. Tian Wen sells a limited stock of 1 Silencer I for 6,000 Coins.

Compensator I, II, and III reduce per-shot dispersion by 20%, 40%, and 60%, and reduce max shot dispersion by 10%, 20%, and 30%. Compensator III also has 20% Increased Durability Burn Rate. Muzzle Brake I and II reduce horizontal and vertical recoil by 15% and 20%. Muzzle Brake III lists 25% Reduced Horizontal Recoil Control and 25% Reduced Vertical Recoil Control, plus 20% Increased Durability Burn Rate, and it is blueprint-locked at Gunsmith 3 from 2 Mod Components and 8 Wires. Because the Ferro reloads after every shot, the next round is not a follow-up in the same string of fire; recoil and dispersion recovery play out across that reload.

The underbarrel slot takes Vertical Grip I, II, and III at 20%, 30%, and 40% Reduced Vertical Recoil, with Vertical Grip III also listing 30% Reduced ADS Speed. Angled Grip I, II, and III apply the same 20%, 30%, and 40% steps to horizontal recoil, and Angled Grip III also lists 30% Reduced ADS Speed. Horizontal Grip, an Epic scavenged mod, lists 30% Reduced Horizontal Recoil, 30% Reduced Vertical Recoil, and 30% Reduced ADS Speed. Tian Wen sells a limited stock of 5 Angled Grip I for 1,920 Coins and 5 Vertical Grip II for 6,000 Coins.

The stock slot takes Stable Stock I, II, and III, which reduce recoil recovery duration and dispersion recovery time by 20%, 35%, and 50%. Stable Stock III also has 20% Increased Equip Time and 20% Increased Unequip Time, crafts at Gunsmith 3 from 2 Mod Components and 5 Duct Tape, and is blueprint-locked; Tian Wen sells a limited stock of 2 for 15,000 Coins. Padded Stock, an Epic blueprint-locked craft at Gunsmith 3 from 2 Mod Components and 5 Duct Tape, lists 15% Reduced Vertical Recoil, 15% Reduced Horizontal Recoil, 20% Reduced Per-Shot Dispersion, 20% Increased Equip Time, 20% Increased Unequip Time, and 30% Reduced ADS Speed; Tian Wen sells a limited stock of 1 for 15,000 Coins. Kinetic Converter, a Legendary scavenged stock, lists 15% Increased Fire Rate with 20% Increased Horizontal Recoil and 20% Increased Vertical Recoil.

How to get a Ferro IV

Craft Ferro I at a Workbench or Gunsmith 1 from 5 Metal Parts and 2 Rubber Parts. That craft is not blueprint-locked. The upgrade path at Gunsmith 1 is then:

• Ferro I to II: 7 Metal Parts, for 13% Reduced Reload Time and +10 Durability.
• II to III: 9 Metal Parts and 1 Simple Gun Parts, for 26% Reduced Reload Time and +20 Durability.
• III to IV: 1 Mechanical Components and 1 Simple Gun Parts, for 39% Reduced Reload Time and +30 Durability.

From a crafted I through IV, that is 21 Metal Parts, 2 Rubber Parts, 2 Simple Gun Parts, and 1 Mechanical Components. Mechanical Components refine at Refiner 1 from 7 Metal Parts and 3 Rubber Parts. Simple Gun Parts are scavenged from Wasps, Hornets, Turrets, Sentinels, and Shredders. Celeste sells a limited stock of 5 Simple Gun Parts per day for 7 Assorted Seeds.

Tian Wen sells Ferro I for 1,425 Coins and a limited stock of 3 Ferro IV for 8,700 Coins. She also sells Heavy Ammo in packs of 10 for 900 Coins. After the quest A Bad Feeling, her The Right Tool quest grants a Ferro IV and 20 Heavy Ammo when you accept it. The objectives are to destroy a Fireball, a Hornet, and a Turret, on any map. Completing the quest rewards a Stitcher II, an Extended Light Mag I, and the Cheer emote. A Free Loadout may also include a Ferro.

Ferro IV against the Anvil and the Osprey

The same Heavy Ammo, 40 damage, 2.5x headshot multiplier, and Strong 1.5x penetration also sit on the Anvil, a Rare single-action Hand Cannon. The Anvil lists a 6-round magazine, a 16.3 fire rate, 50.2 range, and only a muzzle slot. Crafting Anvil I at Gunsmith 2 takes 2 Advanced Mechanical Components, 3 Heavy Gun Parts, and 3 Hand Drill, and that craft is blueprint-locked. An Anvil IV can take Amplification, which Ferro IV cannot.

The Osprey is a different lane: a Rare blueprint-locked bolt-action Sniper Rifle on Medium Ammo, with a built-in 5.66x scope, Moderate 0.8x penetration, an 8-round magazine, a 45 damage listing, a 2.0x headshot multiplier, a 17.7 fire rate, and 80.3 range. Crafting Osprey I at Gunsmith 2 takes 2 Advanced Mechanical Components, 3 Medium Gun Parts, and 7 Wires. It can also be amplified. Between those two Heavy Ammo 40-damage guns, the Ferro lists the longer range. Against the Osprey it lists the shorter range, and it still cycles one round at a time.

Repair, ammo, and a broken Ferro IV

Repairing a Ferro IV costs 1 Mechanical Components and 2 Simple Gun Parts and restores +65 durability. Recycling a Ferro IV returns 1 Mechanical Components and 2 Simple Gun Parts; salvaging it topside returns 2 Simple Gun Parts. Heavy Ammo crafts at Workbench 1 from 3 Metal Parts and 2 Chemicals for 10 rounds, with no blueprint lock.

A Ferro IV still fires 40 damage at a 2.5x headshot multiplier with Strong 1.5x penetration, and the IV perk is the 39% shorter reload between those single shots. The muzzle, underbarrel, and stock are what change after that, not a fifth quality.

The U4GM Team