Washington Pattern Jury Instructions–Criminal (W.P.I.C.)
Part IV. Defenses Chapter 17. Lawful Force
WA W.P.I.C. 17.04 Lawful Force—Actual Danger Not Necessary
A person is entitled to act on appearances in defending [himself][herself][another], if [he][she] believes in good faith and on reasonable grounds that [he][she][another] is in actual danger of injury, although it afterwards might develop that the person was mistaken as to the extent of the danger. Actual danger is not necessary for the use of force to be lawful.