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For an overview of .223 ammunition types, see .223 round.

 
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.223 FMJ is the only type of .223 caliber ammunition in Fallout and Fallout 2.

Characteristics

With a full metal jacket and a huge bonus to Damage Resistance and Armor Class reduction, the .223 FMJ is an ideal round that has a gun fit for almost every occasion. This makes most weapons associated with it ideal to use.

Note that in Fallout, the .223 is affected by the common executable bug, where the ammunition modifiers do not work. This has been fixed in Fallout 2.

Weapons using this ammunition

Fallout

Pistols
Rifles

Weapon Ammo Performance vs. armor
None Leather jacket Leather armor Metal armor Combat armor Power armor Advanced power armor
.223 pistol .223 FMJ

20 - 30

16 - 24

13.5 - 21

11.2 - 18.2

9 - 15

4.8 - 10.8

2.25 - 6.75

Hunting rifle .223 FMJ

8 - 20

6.4 - 16

4.5 - 13.5

2.8 - 11.2

1.8 - 9

-2.4 - 4.8

-3.15 - 2.25

Sniper rifle .223 FMJ

14 - 34

11.2 - 27.2

9 - 24

7 - 21

5.4 - 17.4

1.2 - 13.2

-0.45 - 8.55

Fallout 2

Pistols
Rifles
Heavy weapons

Weapon Ammo Performance vs. armor
None Leather jacket Leather armor Metal armor Combat armor Power armor Advanced power armor
.223 pistol .223 FMJ

24 - 36

20 - 30

17.1 - 26.6

14.4 - 23.4

12 - 20

6.4 - 14.4

3.25 - 9.75

Hunting rifle .223 FMJ

9.6 - 24

8 - 20

5.7 - 17.1

3.6 - 14.4

2.4 - 12

-3.2 - 6.4

-4.55 - 3.25

Sniper rifle .223 FMJ

16.8 - 40.8

14 - 34

11.4 - 30.4

9 - 27

7.2 - 23.2

1.6 - 17.6

-0.65 - 12.35

Bozar .223 FMJ

30 - 42

25 - 35

21.85 - 31.35

18.9 - 27.9

16 - 24

10.4 - 18.4

6.5 - 13

Light support weapon .223 FMJ

24 - 36

20 - 30

17.1 - 26.6

14.4 - 23.4

12 - 20

6.4 - 14.4

3.25 - 9.75

Locations

Fallout

  • On the floor at the end of the radscorpion cave.
  • On the floor in Vault 15, next to some boulders on levels two and three.
  • Found in a bookshelf in the Shady Sands guard barracks.
  • Many raiders use the ammunition.
  • Found in the Glow.
  • Found in the The Hub's cathedral\hospital.
  • Given by Michael as part of the daily issue.
  • Can be bought at the Fortress.
  • Killian Darkwater may sell the ammunition.
  • Beth may sell the ammunition.
  • Jake may sell the ammunition.
  • The shopkeeper may sell the ammunition.

Fallout 2

Bugs

In Fallout, ammunition modifiers are not applied properly, which makes the .223 equal to any other kind of ammunition.

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