KAK Industry Plan B A7 Flash Hider – 1/2×28
Flash control meets suppressor-ready versatility—precision machined for performance.
The KAK Industry Plan B A7 Flash Hider (1/2×28) is a purpose-built muzzle device that combines effective flash suppression with Plan B suppressor mount compatibility, offering an all-in-one solution for serious shooters. Its aggressive A7 prong design dissipates gases to minimize muzzle flash, enhancing visibility and control—especially in low-light conditions.
Machined from 17-4 stainless steel and finished with a rugged black nitride coating, this flash hider resists corrosion and maintains its integrity under extreme use. The tapered locking interface ensures rock-solid suppressor alignment and gas sealing without the need for shims or crush washers. Rear wrench flats make installation quick and hassle-free using a standard 13/16″ wrench.
With a .375″ bore diameter, the A7 accommodates a wide range of calibers—including .223/5.56 and 9mm—making it an excellent choice for multi-purpose AR-15 builds.
Features
- 1/2×28 threading for AR-15/M4 barrels
- Suppressor-ready – compatible with Plan B mounting systems
- Advanced A7 prong design reduces visible flash in low-light conditions
- Tapered mount interface ensures precise suppressor alignment and seal
- No timing or shims required
- Machined from 17-4 stainless steel
- Black nitride (Melonite) finish for enhanced wear and corrosion resistance
- Made in the USA
Specifications
- Thread: 1/2×28 RH
- Material: 17-4 Stainless Steel
- Finish: Nitride / Melonite
- Overall Length: 1.85″
- Weight: 2.2 oz
- Bore Diameter: .375″
- Compatibility: AR-15/M4 platforms; Plan B suppressor systems
- Installation: 13/16” wrench flats; no shims needed




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