Get the most out of your Wilson Combat QUELL suppressor system with the Wilson Combat Muzzle Brake / QUELL K-Mount, 1/2x28, 5.56 NATO / .223 Rem, Nitride Black – SP-KMB16-1-2X28 / SPKMB1612X28 (UPC: 810025501525). Designed as both a highly efficient muzzle brake/flash hider and a dedicated quick-attach interface for QUELL suppressors, this .223-caliber K-Mount delivers rock-solid mounting, excellent flash reduction, and rugged durability for hard-use carbines. 2nd Amendment Arms+3Hinterland Outfitters+3Arnzen Arms+3
QUELL K-Mount Interface – Muzzle Brake & Suppressor Mount in One
This muzzle device is more than a simple brake—it’s the official K-Mount interface for the Wilson Combat QUELL suppressor line:
If you’re running or planning to run a QUELL suppressor, this K-Mount muzzle brake is mandatory hardware for your setup. willygoodprice.com+2carolinasporting.com+2
1/2x28 Threads – Standard Fit for 5.56 / .223 AR Platforms
With its 1/2x28 thread pitch, this Wilson Combat muzzle brake is ready to screw directly onto:
The 1/2x28 threading ensures a secure, concentric fit, which is critical for safe suppressor use and consistent accuracy. Classic Firearms+2carolinasporting.com+2
Black Nitride / Melonite Finish – Extreme Durability & Corrosion Resistance
The SP-KMB16-1-2X28 K-Mount features a black nitride (melonite) finish that’s built to handle high round counts and harsh environments:
Melonite / black nitride treatment for enhanced surface hardness and wear resistance Heart of Texas Armory+1
Excellent corrosion resistance, ideal for duty rifles and field carbines
Low-reflection matte black appearance that pairs perfectly with modern AR builds and QUELL suppressors BOSQUE Outdoors+1
This finish doesn’t just look good—it extends the life of your muzzle device under heat and carbon.
Exceptional Flash Reduction – Comparable to M16A1 Flash Hider
Multiple retailers highlight that this QUELL K-Mount offers extraordinary flash reduction, with performance described as comparable to an M16A1 flash hider: Detroit Ammo Co.+3willygoodprice.com+3carolinasporting.com+3
Helps preserve night vision and situational awareness in low-light shooting
Reduces visible signature for hunting, defensive, or tactical use
Makes it one of the most efficient and effective muzzle mounts available for .223/5.56 rifles
Even without a suppressor attached, it functions as a highly effective flash hider / muzzle brake hybrid, giving you real performance gains at the muzzle.
Simple Installation – 7/8" 12-Point Socket Friendly
User-friendly installation is a major benefit of this Wilson Combat muzzle brake:
Properly timed and torqued, the K-Mount provides a solid foundation for your QUELL can and operates flawlessly as a standalone muzzle device.
Built Specifically for Wilson Combat QUELL Suppressors
If you own or plan to own a QUELL suppressor, this is the factory-correct attachment interface:
Works with Wilson Combat QUELL suppressor models in .223/5.56, including stainless and ultralight variants Wilson Combat+1
Provides quick attach/detach capability while maintaining repeatable alignment
Designed by Wilson Combat to meet their standards for modularity, reliability, and precision
Using the genuine K-Mount ensures you get the best possible fit and function from your QUELL suppressor system.
Key Specifications – Wilson Combat QUELL K-Mount Muzzle Brake
From Wilson Combat dealers and distributor listings: carolinasporting.com+5Hinterland Outfitters+5Heart of Texas Armory+5
Brand: Wilson Combat
Product Type: Muzzle Brake / QUELL K-Mount Suppressor Interface
Model / MPN: SP-KMB16-1-2X28
Alt SKU: SPKMB1612X28
UPC: 810025501525
Caliber: .223 Remington / 5.56 NATO
Thread Pitch: 1/2x28
Finish: Black nitride / melonite
Color: Black
Function:
Tools Required: Standard 7/8" 12-point socket for installation
Intended Barrel Length: Optimized for 16" barrels
Ideal For:
AR-15 owners who plan to run a Wilson Combat QUELL suppressor
Shooters who want a dual-purpose muzzle brake and flash hider with a top-tier black nitride finish
Law enforcement, defensive, and training carbines needing effective flash mitigation
Anyone building a suppressor-ready 5.56/.223 rifle with proven, factory-compatible parts
The Wilson Combat Muzzle Brake / QUELL K-Mount 1/2x28 Nitride Black (SP-KMB16-1-2X28 / SPKMB1612X28) is the smart choice if you want maximum flash reduction, seamless QUELL suppressor compatibility, and rugged, professional-grade construction in a single, compact muzzle device.
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