Dead Air KeyMicro Muzzle Brake Flash Hider 9mm 5 8x24 Black DA116 UPC 810128160568
Product Description
The Dead Air® KeyMicro Flash Hider (SKU: DA116 / UPC: 810128160568) delivers a rugged, ultra-compact quick-detach mounting solution engineered specifically for 9mm pistol-caliber carbines, subguns, and multi-caliber platforms threaded in 5/8x24. Designed as the primary host muzzle device for the Dead Air KeyMicro Adapter (DA451), it pairs seamlessly with suppressors such as the Wolfman, Ghost-M, and Wolf-9SD while maintaining complete backward compatibility with full-size KeyMo systems. When operated unsuppressed, its open-tine three-prong geometry rapidly breaks up expanding propellant gases to drastically eliminate muzzle flash without subjecting the operator to the concussive overpressure typical of ported compensators.
Precision CNC-machined from ordnance-grade 4140 HT (Heat Treated) alloy steel, the DA116 is manufactured to exacting concentricity tolerances to ensure absolute bore-line suppressor alignment. The entire component is treated with a specialized salt-bath QPQ black nitride case-hardening finish that penetrates the steel structure. This metallurgical treatment provides extreme resistance to friction, intense heat, carbon fouling, and harsh chemical solvents, ensuring the taper locking surfaces remain clean and free from carbon galling even under sustained strings of rapid fire.
Engineered with a dedicated 9mm through-bore, the DA116 accommodates 9x19mm Parabellum projectiles as well as smaller centerfire calibers such as .300 AAC Blackout and 7.62x39mm on barrels sporting 5/8x24 threads. Dead Air's proven taper-mount architecture provides consistent, solid lockup with zero point-of-impact deviation when re-indexing suppressors between firearms. Heavy-duty 3/4-inch wrench flats machined directly onto the rear collar allow for clean, slip-free torque wrench installation without deforming muzzle prongs or surface geometry.
*Armorer Bench Notes & Real-World Staging Guidance:*
Fitment Matrix: Direct fit for barrels threaded 5/8x24 UNEF-2B with standard 90-degree square shoulders (including 9mm PCCs, 300 Blackout, and 7.62x39 platforms). Natively compatible with Dead Air KeyMicro (DA451) and standard full-size KeyMo (DA428, DA429, DA404) suppressor adapters. CRITICAL: DO NOT install this muzzle device using a conventional crush washer; crush washers deform unevenly and cause catastrophic suppressor baffle strikes. ALWAYS install directly against a true 90-degree square shoulder or utilize precision alignment shims (Dead Air DA002 kit) if timing is required. This device features a standard flat shoulder and will NOT seal properly on 25-degree SIG taper barrels without a shoulder adapter. Maximum bullet diameter is 9mm (.357 caliber); do NOT use on .40 S&W, 10mm, or .45 caliber firearms. Recommended installation torque is 25 to 30 ft-lbs with high-temperature Rocksett applied to degreased threads.
- Ensure the host firearm is completely clear, magazine removed, and chamber visually and physically verified empty.
- Thoroughly clean and degrease the barrel muzzle threads and shoulder face using acetone or denatured alcohol to eliminate all grease, oils, and carbon buildup.
- Thread the DA116 onto the barrel hand-tight to verify clean thread engagement and ensure the rear face seats flush against the 90-degree barrel shoulder.
- Apply 2 to 3 drops of high-temperature Rocksett to the barrel threads, engage a 3/4-inch wrench or crowfoot on the rear flats, and torque to 25–30 ft-lbs.
- Mount your KeyMicro-equipped suppressor, inspect mechanical concentricity with a caliber-specific alignment rod, confirm clear bore passage, allow Rocksett to cure for 24 hours, and execute function checks prior to live-fire staging.
Key Features
- Dual KeyMicro & KeyMo Compatibility: Interfaces directly with KeyMicro Adapters (DA451) for Wolfman and Ghost-M silencers while providing full compatibility with full-size KeyMo adapters.
- High-Tensile 4140 HT Alloy Steel: Precision CNC-machined from heat-treated alloy steel to endure extreme gas erosion and intense firing cadences.
- QPQ Black Nitride Surface Treatment: Superior case-hardened finish protects against aggressive carbon fouling, rust, and chemical cleaning agents.
- Effective 3-Prong Flash Dissipation: High-efficiency prong design significantly extinguishes muzzle signature without punishing side blast.
- Repeatable Taper Return-to-Zero: Taper-mount indexing guarantees 100% repeatable lockup and zero point-of-impact shift.
- Integrated 3/4-Inch Rear Wrench Flats: Engineered for positive wrench engagement and precise armorer torque control during installation.
Product Specifications
- Brand: Dead Air Silencers®
- Model/Series: KeyMicro Flash Hider (Muzzle Brake Profile)
- MPN / SKU: DA116 / DA116
- UPC: 810128160568
- Barrel Thread Pitch: 5/8x24 UNEF-2B
- Through Bore Diameter: 9mm (.355" - .357" Projectile Clearance)
- Overall Length: 2.063 Inches (52.4 mm)
- Mount Interface: KeyMicro / KeyMo Quick Detach Taper Mount
- Material: 4140 HT Alloy Steel
- Finish: QPQ Salt Bath Ferritic Nitrocarburize (Black Nitride)
- Tool Interface: 3/4-Inch Wrench Flats
- Platform Compatibility: 5/8x24 Barrels (9mm PCC, .300 BLK, 7.62x39, .308 Win)
- Country of Origin: United States (USA)
