- With its low AP requirement of 17, an agile player can deliver a good deal of damage with only a single round of V.A.T.S..
- The weapon damages limbs at a slightly increased rate.
- For higher level ninja style players it can be an effective sneak killer; even for longer range players it can be a good finisher to a long gun battle.
- With 10 luck, Finesse and the Survival Guru bonus, (18% base) Stabhappy has a critical rate of 72%.
- With 10 luck and a fixed Ninja perk (15% base increase), Stabhappy will critical-strike 100%
- It is found on a raider in "The Raid Shack", a short distance east of the "Bethesda Ruins". Be careful, there is often a raider armed with a Flamer in the building.