Microtech DOC Killswitch Automatic Knife Partially Serrated Bead Blasted S/E Black AUMT1548

Built for hard use and unmistakable presence, the Microtech DOC Killswitch delivers the aggressive performance expected from a collaboration between two legendary knife designers. This out-the-side automatic fires open with authority using a push button mechanism that both deploys the blade and locks it solidly in place. Fast, reliable, and purpose-driven, it’s a knife built for those who demand uncompromising strength in their everyday carry.

The 3.75" drop point blade is crafted from premium steel and finished in a rugged bead blasted treatment that reduces glare while giving the blade a hard-working appearance. A partially serrated edge adds versatility, giving you the slicing control of a plain edge combined with the aggressive cutting power needed for rope, webbing, and tough fibrous materials. The drop point profile offers excellent tip strength and control, making it highly capable across a wide range of cutting tasks.

The DOC, short for Death on Contact, was born from a collaboration between Anthony Marfione and Mick Strider—two names synonymous with overbuilt, mission-ready knives. This automatic version is known as the Killswitch, a nod to the distinctive fire-safe switch integrated into the design. Much like a rifle safety, the switch flips between white for safe and red for fire, adding an unmistakable tactical element that sets this knife apart from typical automatics.

The handle is machined from textured black aircraft-grade aluminum, giving you a secure grip and the durability needed for real-world use. The aggressive texturing helps keep the knife planted in your hand even in demanding conditions, while the integrated lanyard hole offers additional carry options. At 5.25" closed and weighing 6.8 ounces, the DOC Killswitch carries with substantial authority without sacrificing pocket practicality.

Proudly made in the USA, this knife reflects Microtech’s dedication to precision machining, premium materials, and uncompromising build quality.

Smoky Mountain Knife Works, the world’s best online knife store, is a Tennessee landmark and the world’s largest knife store. Set deep in the Great Smoky Mountains, its legendary showroom draws more than 1.5 million visitors each year who come to experience an unmatched selection of knives and outdoor gear.