User blog comment:Tiredman2/What is your weapon of choice?/@comment-3145523-20120828030045

Omni-Tool, Its like 2 swiss army knives, my labtop, and Needler from HALO all fused together in a spring-loaded package.

The runner up is The Collector Particle Beam. because, quoting Dr. Evil "Its a ******* Laser Beam" and a really powerful and reliable one at that.