Dead Air KeyMo Muzzle Brake | DA161 | 5/8-24

The Dead Air KeyMo DA161 muzzle brake provides a quick-detach KeyMo mounting solution and muzzle brake performance for rifles using 5/8-24 threads. It is manufactured with heat-treated alloy steel and finished in black nitride for durability and corrosion resistance. The device is engineered to interface with KeyMo-equipped silencers and to help reduce felt recoil and gas intrusion into the suppressor body.

Typical applications include use as a suppressor mounting interface for KeyMo-compatible silencers and as a muzzle device to manage recoil and muzzle rise on large-caliber rifles during range and field use.

Product Specifications

• The manufacturer is Dead Air Armament LLC.
• The model is KeyMo.
• The manufacturer part number is DA161.
• The thread pattern is 5/8-24.
• The finish is Black Nitride.
• The material is 4140 HT chromium-molybdenum steel.
• The overall length is 2.58 inches.
• The product type is Muzzle Brake (KeyMount).
• The device is compatible with KeyMo-equipped silencers.
• The listed weight is 0.25 pounds.
• The NFA thread pattern is 5/8×24.
• The color is Black.
• The UPC is 810128162531.

Designed for straightforward, repeatable suppressor mounting and consistent muzzle control, the KeyMo DA161 blends durable materials and a practical interface. Its low-profile footprint and attention to gas distribution make it a solid component for shooters who run KeyMo-compatible suppressors and want a reliable, serviceable muzzle device.

Users commonly praise its fast, rock-solid attachment interface and report reliable suppressor removal without carbon-locking. Many owners also note effective recoil mitigation in larger calibers when the brake is properly installed.