The Vault - Fallout Wiki

We've Moved! Just as Gamepedia has joined forces with Fandom, this wiki had joined forces with our Fandom equivalent. The wiki has been archived and we ask that readers and editors move to the now combined wiki on Fandom. Click to go to the new wiki.


The Vault - Fallout Wiki
Icon disambig.svg
For an overview of plastic explosives in the various Fallout games, see Plastic explosives.
C-4 plastic explosive
C-4 plastic explosive icon.png
SkillExplosives 50
Strength Req.1
Attack statistics
1 (1.2) + 250 (447.5) ExplosionIcon explosion.png
Crit Dmg
Crit % Mult
0.3 (0.4)AP24
Item HP10,000
Editor ID?
Base ID001221c1
Perk Effects
Perks (dam.)
Demolitions Expert
( +150 ExplosionIcon explosion.png)
Lord Death
(+0 +10 ExplosionIcon explosion.png)
Bloody Mess
(+0.1 +12.5 ExplosionIcon explosion.png)
Thought You Died
(+0.1 +25 ExplosionIcon explosion.png)
Perks (Att.)

C-4 plastic explosive is an explosive weapon in Fallout: New Vegas.


The following section is transcluded from Plastic explosives. To modify, please edit the source page.

Plastic explosives is a generic term referring to a brick of high explosive material which can be hand-molded into any shape. Primarily used by engineers, both civilian and military, for applications requiring precision and measured blasting, after the nuclear holocaust various brands of plastic explosives became used as tools and weapons. They are a fairly rare sight, at least compared to good old dynamite, its brother also invented by Alfred Nobel in the 19th century.

Another military variant of plastic explosives, Composition C-4 was the primary type of explosives used by the United States Army. 91% RDX ("Research Department Explosive", an explosive nitroamine), mixed with 5.3% dioctyl sebacate (DOS) or dioctyl adipate (DOA) as the plasticizer, 2.1% polyisobutylene (PIB, a synthetic rubber) as the binder, and 1.6% of a mineral oil results in a stable plastic explosive that won't detonate if dropped, exposed to fire, or shot. Detonation can only be initiated by a combination of extreme heat and a shockwave, such as when a detonator inserted into it is fired. The most common form of C-4 found in the wastes as the M112 1.25 lbs demolition block, bound in olive protective film and provided with a remote detonator.


Standard issue military explosives are one of the most powerful tools for a Sneak-based character or assassin. The detonator allows for remotely detonating the explosives from any kind of distance and coupled with the fact that the explosive can be smuggled into weapons-free areas with a Sneak of 50, makes them invaluable for eliminating people without putting blame on the player.

While it has a smaller explosive radius, at 8 yards (7.31 meters),[1]) they can be planted in the inventory of the target without them automatically arming and going off, like with regular grenades and mines. Instead, they will remain there, waiting for the detonation signal. In fact, there's no need to plant them at all - simply dropping them near the character will suffice. While they may react to the C-4 being placed with the general reaction to a mine being dropped, they won't become hostile.

As long as the player is Hidden when they detonate the explosives, no one will hold it against the player. Note that all placed charges go off at once when the detonator is activated, no matter the distance. Given that actors are only affected if they are rendered (exterior cells only, interior cells always render all actors), there's no practical purpose to detonating them at extended ranges.

Note that the explosives can technically be detonated with gunfire, due to the underlying mechanics, at a 50% reduction in area of effect, 90% reduction in the push force of the blast, and dealing 70% less damage.


Non-player characters


  • PlayStation 3Icon ps3.png Vault 19 bricks may fail to render in the game, but can still be looted.



  1. 512 unit radius, 128 units = 2 yards.