Dead Air KeyMo Muzzle Brake DA103 | .338 Cal | 3/4-24

The Dead Air KeyMo Muzzle Brake (DA103) is a threaded brake engineered to interface with KeyMo-equipped suppressors and adapters. It is constructed from 4140 HT alloy steel with a black nitride finish and provides reduced recoil and muzzle rise compared with an unbraked muzzle. The brake’s sealed taper design helps prevent carbon locking for easier suppressor removal. Common applications include precision long-range shooting and suppressor-equipped range use.

Product Specifications

• The model is KeyMo (DA103).
• The material is machined from 4140 HT alloy steel.
• The thread pattern is 3/4-24.
• The product type is a muzzle brake.
• The device fits KeyMo-style suppressor mounts and Dead Air Key Mount accessories.
• The finish is black nitride.
• The listed caliber compatibility is .338 caliber.
• The color is black.
• The manufacturer’s provided weight value lacked units and is therefore not specified in this listing.
• The threads are specified as 3/4-24.
• The subcategory is muzzle devices.
• The product is designed to minimize muzzle rise and reduce felt recoil when used as intended, providing a flatter shooting experience.
• The sealed taper mount is intended to prevent carbon locking for easier suppressor removal.
• The UPC is 810128160407.

The KeyMo muzzle brake offers a practical interface between your rifle and KeyMo-compatible suppressors while improving shot-to-shot recovery. Its durable 4140 HT construction and black nitride finish balance longevity with corrosion resistance, and the sealed taper design reduces the chance of carbon locking during extended use. For shooters who expect to run a suppressor or want reduced recoil for precision work, this brake is a straightforward, purpose-built option.