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The Microtech 12324-10Z is a Zombie Tech edition of the UTX-85 Gen IV out-the-front (OTF) automatic knife. It's a compact, premium double-action OTF built on Microtech's popular Ultratech platform but scaled down to about 85% of the size for better everyday carry (EDC) comfort.
Favored by enthusiasts for its bold aesthetic, the Zombie finish combines a striking visual impact with a high-energy look that commands attention.
Key Specifications
- Model: 12324-10Z (UTX-85 Gen IV D/E Stonewash Standard Zombie)
- Blade: 3.10–3.125" double-edge (D/E) dagger, Bohler M390MK stainless steel, stonewashed finish
- Overall Length: 7.50–7.65"
- Closed Length: ~4.4–4.5"
- Handle: 6061-T6 aluminum with Zombie Tech anodized finish (bright zombie green with red "blood spatter" accents); front scale features the Microtech claw logo
- Weight: 3.1 oz
- Mechanism: Double-action OTF (thumb slider deploys and retracts the blade smoothly)
- Gen IV Upgrades: Improved "Dual Fuel Drivetrain" for faster, smoother action and better stability; redesigned ambidextrous pocket clip (tip-down, right-hand carry standard but more versatile); updated glass breaker with ball-tip; enhanced ergonomics with rounded handles and improved grip texturing
- Other Features: Bead-blasted hardware, strong tip geometry on the dagger blade for piercing
- Origin: Made in the USA (Microtech Knives)
Design and Performance Notes
The UTX-85 series is praised for being more pocket-friendly than the full-size Ultratech while retaining excellent build quality and a satisfying "clack" on deployment. The Gen IV version improves on earlier models with snappier action and better ergonomics. The M390MK steel offers high edge retention and corrosion resistance—great for a premium auto. The dagger blade is tactical/sharp on both sides but less practical for general utility cutting compared to a single-edge drop point.
Gen IV Upgrades (Current 2026 Production)
If you are looking at the latest version of this knife, it includes the Gen IV (or sometimes referred to as Gen III in transitional 2025/2026 listings) improvements:
- Dual Fuel Drivetrain: A redesigned internal spring system that makes the action significantly smoother and easier to deploy while maintaining "rock-solid" lockup.
- Torx Hardware: Microtech has moved away from proprietary tri-wing screws in many new models, making it easier for users to perform basic maintenance (though they still recommend factory service).
- Milled Pocket Clip: A new titanium pocket clip design that is more durable and features a "Crud Kutter" groove to help clear pocket lint.
- Redesigned Glass Breaker: The glass breaker now often includes a pressed-in ball bearing for better comfort during EDC carry without sacrificing emergency utility.
