Next Level Armament Hi-Helix 9mm Luger Flash Suppressor Hider 1/2x28 Nextride QPQ Black. The mandrel for these Flash Hiders by Next Level Armament are turned from stainless steel bars on lathes then finished on rotary mills for a precision fit. The Next Level Armament 9mm Hi-Helix Flash Suppressor Hider is laser engraved to ensure you get years of use out of these. Also the Next Level Armament 9mm Hi-Helix Flash Suppressor Hider is QPQ coated to resist rust and corrosion. Ensure your next shot is as stealthy as you expect it to be by equipping the Next Level Armament Hi-Helix Flash Suppressor Hider. Specifications for Next Level Armament Hi-Helix 9mm Luger Flash Suppressor Hider: Manufacturer: Next Level Armament Color: Black Caliber: 9mm Luger Finish: Nextride QPQ Fabric/Material: 4140 Steel Threads per Inch: 1/2x28 Gun Make: Universal Gun Model: Universal Barrel Material: 416R Stainless Steel Length: 2.25 in Weight: 1 lb Additional Features: Right Projectile Caliber: .355 Caliber Package Contents: Next Level Armament Hi-Helix 9mm Luger Flash Suppressor Hider What firearm models does the manufacturer say Next Level Armament Hi-Helix 9mm Luger Flash Suppressor Hider is compatible with? The manufacturer says that Next Level Armament Hi-Helix 9mm Luger Flash Suppressor Hider is compatible with UniversalNext Level Armament NLX725: Hi-Helix 9mm Luger Flash Suppressor Hider 1/2x28 Nextride QPQ Black