Faxon Firearms Muzzlok 5.56X45 Nato Ported Flash Hider Nitride Black

The Faxon Firearms Muzzlok 5.56x45 NATO ported flash hider brings field-proven engineering to your AR platform. Unlike traditional muzzle devices that rely on crush washers and shims for proper timing, the Muzzlok's patented design lets you dial in perfect rotational alignment using an extension nut—no crush washer headaches, no permanent installation compromises. Whether you're building a new upper, swapping devices at the range, or need to time a suppressor down the road, this nitride-finished brake gives you the flexibility to remove and reinstall without tools or fuss.

The ported design manages recoil and flash signature while keeping your sight picture clean on follow-up shots. At just 2.75 inches tall and 0.875 inches in diameter, it's proportional enough for 16-inch uppers without looking oversized. The nitride black finish handles the abuse of field use—corrosion resistance that stays looking sharp whether you're running suppressed or bare.

If you're tired of fighting crush washers, dealing with shims, or locking yourself into a permanent muzzle device install, the Muzzlok is designed for shooters who value adjustability and field serviceability. Tighten to 20–25 foot-pounds of torque and you're set. It's a small feature that makes a real difference in how you approach your rifle setup.

Key Features

• MuzzLok system eliminates crush washers and shims—time your device with the extension nut
• Remove and reinstall in the field without losing zero or rotational timing
• Ported design reduces flash and manages recoil impulse
• Nitride black finish resists corrosion
• Compact footprint: 2.75" height, 0.875" diameter

Specifications

Frequently Asked Questions

Does this work with suppressors?

Yes. The MuzzLok system's adjustable timing makes it compatible with suppressors, and you can remove the device to install a can or swap back to the brake without losing your zero or rotational position.

Can I install this without a crush washer?

That's the whole point. The MuzzLok design eliminates the need for a crush washer or shims entirely. You use the extension nut to dial in the timing instead.

What torque spec should I use?

Tighten the device to 20–25 foot-pounds of torque for proper installation.

Can I remove and reinstall this in the field?

Yes. Because there's no crush washer to compress unevenly, you can remove and reinstall the Muzzlok multiple times without sacrificing timing or repeatable installation.