Microtech Dirac Delta OTF Automatic Knife Apocalyptic D/E Purple AUMT22710APPU

The Microtech Dirac Delta OTF Automatic delivers a distinctive approach to out-the-front knife design, combining sleek modern styling with the hard-working reliability Microtech is known for. Unlike many OTF knives, the Dirac platform places the thumb slide on the face of the handle rather than along the spine. This forward-mounted control gives the knife a unique profile while providing natural, intuitive deployment. The Delta version expands on the original Dirac concept with a larger build that offers increased blade length and a more substantial grip without sacrificing the clean, streamlined look that defines the series.

This model carries a 3.79-inch double-edge dagger blade crafted from premium steel and finished with Microtech’s rugged Apocalyptic finish. The weathered appearance gives every blade a one-of-a-kind character while helping disguise the marks that come with real-world use. The dagger profile provides symmetrical cutting edges and excellent piercing strength, making it a formidable blade shape for a wide range of tasks.

The Dirac Delta operates as a dual-action out-the-front automatic, deploying and retracting the blade with a smooth push of the thumb slide. Microtech’s precision machining ensures crisp, reliable action, and the blade locks securely in place when deployed. The forward position of the slide creates a natural thumb reach that many users find exceptionally comfortable and quick to operate.

The handle is constructed from anodized purple 6061-T6 aircraft-grade aluminum, offering impressive strength while keeping the knife lightweight and easy to carry. Its angular lines and carefully machined contours provide a confident grip while reinforcing the knife’s modern design. A stainless steel ambidextrous pocket clip allows convenient carry for either hand, and the integrated glass breaker adds a practical emergency feature.

Measuring 4.33 inches closed and weighing just 2.37 ounces, the Dirac Delta balances a larger blade with excellent portability. Proudly made in the USA, it reflects Microtech’s commitment to premium materials, precision manufacturing, and performance-driven design.