Icon disambig
For an overview of combat knifes in all games, see combat knife.

Occam's Razor is a unique combat knife in Fallout 3.


Commander Jabsco's personal weapon, Occam's Razor, is stronger than the basic combat knife in raw damage by a total of 3 points. It is aesthetically identical to the normal variant.


Occam's Razor can successfully strike about 1200 times from full condition before breaking.


  • Combat knife
  • Stabhappy - Stabhappy shares all of its stats with Occam's Razor, except it deals an additional 50% damage to limbs.
  • Trench knife Gametitle-FO3 OA- The trench knife's stats are identical to the regular combat knife. The only difference is a unique "knuckle-duster" skin.
  • Sim version combat knife Gametitle-FO3 OA - A sim-only version of the weapon which differs only in health (essentially non-degrading).
  • Sim version trench knife Gametitle-FO3 OA - A sim-only version of the weapon which differs only in health (essentially non-degrading).


Icon melee- Weapon name (melee or unarmed)Icon sequence- Attacks in V.A.T.S.
Icon gun- Weapon name (gun, energy or explosive)Icon action- Action point cost
Icon damage- Damage per attack (damage per projectile)Icon dap- Damage per action point
Icon dps- Damage per secondIcon spread- Weapon spread
Icon explosion- Area of effect damageAssault carbine extended magazines- Magazine capacity (shots per reload)
Icon effect- Effect damage & durationIcon repair- Durability (number of attacks before breaking)
Icon bonus effect- Bonus effectsIcon weight- Weight
Icon attack- Attacks per secondIcon merchant- Value in caps
Icon chance- Critical chance % multiplierIcon ratio- Value to weight ratio
Icon critical damage- Critical damageIcon ability- Skill required
Icon crit effect- Critical effect damage & durationIcon fist- Strength required
Icon plus- With all mods attached
Icon meleeIcon damageIcon dpsIcon attackIcon chanceIcon critical damageIcon actionIcon dapIcon repairIcon weightIcon merchantIcon ratio
Combat knife 7
Occam's Razor 10
Stabhappy 10
Trench knife Gametitle-FO3 OA7
Note: Melee damage is doubled in V.A.T.S.


Found on Commander Jabsco at the Talon Company base in Fort Bannister.

Behind the scenesEdit

The name of this weapon is a reference to the scientific principle of the same name.


  • PCIcon pc Playstation 3Icon ps3 Xbox 360Icon xbox360 If the Lone Wanderer kills Jabsco without shooting him, such as by hacking the turrets or reverse-pickpocketing a grenade, Occam's Razor won't appear in his inventory. This can be fixed by shooting his corpse. [verified]
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