TF2 Tactics: Spy-Sentry Kills

from: As a spy there are so many skills that you have to master in order to be an effective sentry killer. The following is a list of these: STAB & SAP: The most common and the most sure fire way of taking out a sentry. You stab the engineer and quickly sap the sentry before it starts firing on you. Circle strafing helps tremendously.