| ||For an overview of 5.56mm rounds in the Fallout series, see 5.56mm round.|
The 5.56x45mm round is a rifle cartridge derived from the .223 Remington, originally developed for the M16 service rifle of the United States Army. It is a rimless, bottleneck cartridge that offers tremendous wounding potential under the right condition. Its performance and popularity among military forces endures despite the Great War: By 2287, it has served Americans for over two centuries, from the United States Army to the New California Republic Army.
The 5.56 round is a fifty-five grain rimless hallow-point cartridge. Being produced by Circle G ammunition, the rounds came packaged in twenty count green and orange boxes. 5.56 rounds are mid-sized cartridges making them ideal for many assault rifles.
- The player character gets 9 XP every time it is crafted.
5.56mm round (20)
Pure violet flux (1)
Ultracite 5.56 round (40)
Weapons using this ammunitionEdit
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- With the Ammosmith perk at level 1 / 2 the rounds increase to 28 / 36 for the same amount of material.
- ↑ Vault Dweller's Survival Guide p.5-17: "Rifle caliber ammunition. The FMJ stands for Full-Metal Jacket, which describes the bullet that is used in the round of ammo. A FMJ bullet is very tough, and has pretty good penetration without sacrificing good expansion. In other words, it‘s an average round."
- ↑ Fallout Official Survival Guide p.119: ".223 Full Metal Jacket (FMJ): This is the same ammo used in the late 20th century by various military rifles, including the M-16. A good, basic, hard-hitting round."
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