Ultradyne Mercury Muzzle Brake – 5.56mm/.223REM, 1/2×28 Thread | Stainless Steel

Take total control of your AR-15’s recoil with the Ultradyne Mercury Muzzle Brake, designed for 5.56mm/.223REM. Made from 416 stainless steel and featuring a shrouded timing nut, this premium compensator delivers both form and function.

The Ultradyne Mercury Brake is engineered for shooters who want maximum muzzle control in a compact and refined package. Built from CNC-machined 416 stainless steel, this brake delivers impressive recoil reduction for AR-15 platforms chambered in .223REM/5.56mm. With its 1/2×28 thread pitch and 3.1 oz weight, it’s perfect for both lightweight builds and precision-focused rigs.

Its shrouded timing nut allows for precise alignment without the need for crush washers or shims, ensuring peak performance and easy installation.

Key Features of Ultradyne Mercury Muzzle Brake – 5.56mm/.223REM, 1/2×28 Thread | Stainless Steel

Low-Recoil Shooting Experience

• Efficient gas redirection reduces felt recoil and muzzle rise

• Helps keep your sights on target for faster follow-up shots

Shrouded Timing Nut

• Simplifies installation and precise alignment

• Eliminates the hassle of crush washers

Premium 416 Stainless Steel Construction

• Durable, corrosion-resistant material

• Ideal for high-volume shooting in all conditions

⚙️ Standard 1/2×28 Threading

• Compatible with most 5.56/.223 AR-15 barrels

• Drop-in upgrade with no gunsmithing required

Technical Specifications of Ultradyne Mercury Muzzle Brake – 5.56mm/.223REM, 1/2×28 Thread | Stainless Steel

Why Choose the Ultradyne Mercury Brake?

• ✅ Reduces recoil and muzzle flip by redirecting gas

• ✅ Easy, tool-free timing with the included shrouded nut

• ✅ Made from high-grade steel for long-term reliability

• ✅ Designed specifically for AR-15 rifles chambered in 5.56/.223

• ✅ Tested and trusted by competitive shooters and tactical pros

Ideal Applications

• Tactical rifles for home defense or duty use

• Competition rifles where fast recovery is critical

• ️ Custom AR builds demanding premium components

• Shooters who prioritize accuracy and speed

Frequently Asked Questions

Q: Will this fit on any AR-15 barrel?
A: Yes, the 1/2×28 thread pitch is standard for 5.56/.223 AR-15 barrels.

Q: Is a crush washer needed?
A: No. The included shrouded timing nut makes installation easier and more precise.

Q: How does it compare to other Ultradyne brakes?
A: The Mercury Brake is slightly more compact than the Apollo or Pegasus but offers exceptional recoil control in a smaller profile.

Upgrade Your AR with Mercury Precision

With the Ultradyne Mercury Brake, you’re not just buying a compensator—you’re investing in total muzzle control. Whether you’re building a tactical AR or refining your competitive edge, this brake offers elite-level performance in a durable, streamlined package.

Add to cart now and take control of your shooting experience with Ultradyne.

Also Available:

Ultradyne Apollo S Compensator Muzzle Brake – AR-10, 6.5mm, 5/8″-24, Steel Nitride

Ultradyne Pegasus Compensator Muzzle Brake – AR-10, 6.5mm, 5/8″-24, Steel Nitride

Ultradyne Pegasus Compensator Muzzle Brake – AR-15, 5.56/.223, 1/2″x28, 416 Stainless Steel

Ultradyne Apollo Muzzle Brake – 5.56/.223, AR-15, 1/2×28 Thread, Black 416 Stainless Steel

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