Blackout Defense KeyMo Hybrid Muzzle Brake – Suppressor-Ready Recoil Control

Flash control. Gas redirection. Suppressor-ready.

The Blackout Defense KeyMo Hybrid Muzzle Brake is purpose-built for shooters who demand more than just recoil reduction. This high-performance device combines flash hiding, gas redirection, and suppressor compatibility with rugged materials and elite machining.

Compatible with Dead Air’s KeyMo mount system, this brake tames blast, keeps carbon in check, and sends gas forward—not in your face. The closed-prong front eliminates tuning fork ping, and precision jet port placement improves recoil mitigation without compromising durability.

Specs & Highlights:

• Thread Pitch: 1/2x28 or 5/8x24
• Bore Diameter: 8.5mm (1/2x28) or 9mm (5/8x24)
• Material: 17-4 Stainless Steel
• Finish Options: H900 Raw or Black Nitride
• Heat Treated: Condition H900 (45–47 HRC hardness)
• Jet Ports: 4 total (2 @ 12 o’clock, 1 @ 4 o’clock, 1 @ 8 o’clock)
• Forward gas redirection reduces recoil and muzzle rise
• Undercut corners improve suppressor seal and engagement
• Flash-reducing closed-prong design
• Includes shim kit for installation

What’s in the Box:

• Blackout Defense KeyMo Hybrid Muzzle Brake
• Shim Kit

Suppressor-ready. Mission-ready. And built like a tank.