Dead Air KeyMo Zero Muzzle Device 5/8x24 Thread .45 Cal DA321

The Dead Air KeyMo Zero muzzle device eliminates the need for shims while providing precise suppressor alignment on .45 caliber firearms. This DA321 model features 5/8"-24 threading and integrates seamlessly with Dead Air's KeyMo mounting system for rapid suppressor attachment and removal.

What Makes This Different

The KeyMo Zero design incorporates a self-timing mechanism that ensures proper orientation without traditional crush washers or shims. This approach reduces installation complexity while maintaining consistent zero retention across multiple mounting cycles. The device provides a solid lockup with audible and tactile confirmation when properly seated.

Key Features

• Self-timing design eliminates need for shims or crush washers
• 5/8"-24 thread pitch compatible with .45 caliber barrels
• KeyMo mounting system for rapid suppressor attachment
• 17-4 PH stainless steel construction for corrosion resistance
• Precision machined threads ensure proper suppressor alignment
• Compatible with all Dead Air KeyMo suppressors
• Black nitride finish for enhanced durability

Field testing demonstrates consistent point-of-impact maintenance when transitioning between suppressed and unsuppressed configurations. The robust construction handles repeated thermal cycling from extended shooting sessions without degradation in performance. Law enforcement and competitive shooters rely on this mounting system for its reliability under demanding conditions.

Technical Specs

• Thread Pitch: 5/8"-24 TPI
• Caliber Rating: .45 caliber and smaller
• Material: 17-4 PH stainless steel
• Finish: Black nitride coating
• Length: Approximately 1.2 inches
• Weight: 2.1 ounces
• Mounting System: KeyMo compatible
• Country of Origin: United States

This muzzle device represents the intersection of engineering precision and practical functionality for serious shooters. The KeyMo Zero system reduces setup time while maintaining the accuracy standards demanded by professional applications.