Dead Air Silencers® KeyMo™ Zero Minimalist Muzzle Device – .45 Caliber – .578x28 – DA322
The Dead Air Silencers® KeyMo™ Zero (DA322) is a 2026-spec premium, ultra-lightweight quick-detach muzzle component designed to bring highly efficient minimalist mounting solutions to heavy-hitting handgun and subgun calibers. Purpose-built for platforms chambered in .45 ACP, 10mm Auto, or specialized large-bore configurations, this low-profile host adapter utilizes the industry-standard .578x28 TPI muzzle thread pattern common on .45-caliber tactical pistol barrels and pistol-caliber carbines (PCCs). Machined from exceptionally robust 4140 heat-treated chromoly steel and finished in a sleek, ultra-hard Black Nitride layer, the DA322 (810128161602) delivers maximum lifespan and scratch resistance under high-velocity propellant gases.
The core engineering achievement of the KeyMo Zero framework is its compact footprint. Stripping away the excess bulk and weight of traditional multi-port blast brakes, the Zero variant focuses entirely on providing a lightning-fast, highly repeatable QD interface for KeyMo or KeyMicro adapter-equipped silencers (such as the Ghost-M, Primal, or Wolfman series). Its shortened physical length intentionally decreases how far the muzzle device extends into a suppressor's initial blast chamber. This critical spacing optimizes internal volume, maximizing gas suppression efficiency and improving acoustic sound performance while shedding front-end weight to preserve natural weapon balance. Best of all, Dead Air's unique mechanical taper geometry completely eliminates the threat of carbon-locking, ensuring your silencer twists off smoothly even after lengthy high-volume firing sessions at the range.
Includes: (1) Dead Air KeyMo Zero .45 Caliber .578x28 Muzzle Device and Precision Timing Shim Kit.
Key Features
- Minimalist Weight Reduction: Weighs in at a featherweight 2.1 ounces, preventing the front-heavy barrel droop caused by larger QD muzzle brakes.
- Anti-Carbon Locking Geometry: Precision-engineered mechanical tapers seal off expanding gases, ensuring effortless suppressor removal without seizing.
- Optimized Blast Chamber Clearance: Ultra-short profile maximizes the internal volume inside your suppressor's first baffle, directly improving suppression metrics.
- 4140 Heat-Treated Steel: Constructed from ultra-tough chromoly bar stock to withstand extreme pressure, throat erosion, and thermal expansion.
- Full KeyMo & KeyMicro Compatibility: Seamlessly locks into any silencer utilizing Dead Air’s legendary industry-standard KeyMo or KeyMicro QD mount adapters.
- Large-Bore Safety Clearance: Features a generous through-bore (.458" clearance) safe for modern .45 ACP, 10mm, and matching sub-caliber projectiles.
Product Specifications
- Brand: Dead Air Silencers®
- Series: KeyMo™ Zero
- SKU / MPN: DA322
- Caliber Compatibility: .45 Caliber / 10mm (Up to .458 Through-Bore)
- Thread Pattern: .578"x28 TPI
- Mounting Interface: Dead Air KeyMo / KeyMicro QD System
- Material: 4140HT Heat-Treated Chromoly Steel
- Finish: Black Nitride QPQ
- Length: 1.385 Inches
- Outside Diameter: 1.08 Inches
- Weight: 2.10 oz (0.13 lbs)
- UPC: 810128161602
