Blackout Defense KeyMo FG42 Muzzle Brake

The Blackout KeyMo FG42 Muzzle Brake is compatible with Dead Air's KeyMo equipped silencers.

Further Intel:

• In-house heat treated to condition H900 for a through-hardness of 45-47 HRC
• 17-4 stainless steel that is heat treated to condition H900 exhibits 14% higher  ultimate tensile strength over hardened 4140 steel
• Shim kit included

Technical Specifications:

• Bore Diameter: 8.5mm (1/2X28) or 9mm (5/8X24)
• Thread Pitch: 1/2X28 or 5/8X24
• Material: 17-4 Stainless Steel
• Finish: H900 Raw or Black Nitride 

What's in the Box:

• Blackout Defense KeyMo Hybrid Muzzle Brake
• Shim Kit