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With Concentrated Fire, your accuracy to hit any body part in V.A.T.S. increases slightly with each subsequent hit on that body part.— In-game description

Concentrated Fire is a perk in Fallout 3, Fallout: New Vegas, Fallout 4, Fallout 76, and the Fallout: The Board Game expansion Fallout: New California.

Effects

Fallout 3 and Fallout: New Vegas

Each successive time you target the same body part in V.A.T.S., your chance-to-hit raises by +5%. So, if your first to-hit was 40%, 2nd would be 45%, 50%, etc. This can lead to very easy head-shots when teamed with other to-hit % boosters (Sniper, Commando, etc.)

Fallout 4

Stay focused! This focus only stops when you run out of Action Points, so bolster APs to further enhance this perk. As you'll know how many APs it takes to fire off the bullets from your weapon, you should surmise that a heavier weapon, or one that fires slower and more damaging projectiles, is more likely to use up your Action Points more quickly and lessen the effectiveness of this perk. So play around with your favourite weapons to see which ones are most effective.Fallout 4 Vault Dweller's Survival Guide description
Rank Requirements Description Base ID
1 PER 10 Stay Focused! In V.A.T.S. every attack on the same body part gains +10% accuracy. 0004D890
2 PER 10, LVL 26 In V.A.T.S. every attack on the same body part gains +15% accuracy. 001D2459
3 PER 10, LVL 50 In V.A.T.S. every attack on the same body part gains +20% accuracy and does 20% more damage. 001D245A

Fallout 76

Stay Focused!
Rank Description Base ID
1 V.A.T.S. now targets limbs. Focus fire to gain accuracy and damage per shot. 0004D890
2 V.A.T.S. targets limbs. Focus fire to gain more accuracy and damage per shot. 001D2459
3 V.A.T.S. targets limbs. Focus fire to gain high accuracy and damage per shot. 001D245A
  • Concentrated Fire grants 1/2/3% extra damage on subsequent shots, rather than per shot.
  • Non-automatic weapons gain +10/15/20% hit chance per shot.
  • Automatic weapons gain +2/3/4% hit chance per shot.

Fallout: New California

Canonbox default.pngThe following is based on content from Fallout: New California.

Concentrated Fire is added to the game with the Fallout: New California expansion. While in a fight, the player character can discard the perk card in order to change two of the V.A.T.S. dice to match the third die of their choice.

Canonbox default.pngEnd of information based on content from Fallout: New California.

Notes

  • Unlike other perks that give bonuses to accuracy in V.A.T.S., such as Commando, Gunslinger and Sniper, the bonuses gained from Concentrated Fire are additive instead of multiplicative.
  • This perk is more effective with weapons that use few Action Points, so that one can fire many times and gain larger bonuses.
  • The bonuses are per-attack, not per-hit. So when queuing up shots, each subsequent shot will have the increased accuracy reflected in V.A.T.S. immediately.
  • Accuracy cannot be higher than 95%.
  • The final accuracy bonus for the last shot made does not apply to all of the shots made. The accuracy of each shot is based on the accuracy it had at the time the shot was queued.
  • In Fallout 3, laser based pistols/rifles, Chinese pistols and 10mm pistols all have a low AP cost per shot. The atomic pulverizer has the lowest AP cost of any gun, making it an ideal weapon to use with this perk.
  • In Fallout: New Vegas, due to some perks and traits that can lower AP cost (Fast Shot, Math Wrath, etc.), using the AP reducing perks along with a weapon that has low AP like the All-American can result in very large bonuses for queued shots.
  • In Fallout 4, regardless of whether any of the previous shots have hit or not, the nth shot will deal 1.15n-1 damage at Rank 2 and 1.2n-1 damage at Rank 3, for up to 15x damage on the last shot.

Gallery

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