Dead Air Blast Shroud | .458 Cal | DA463KM

The Dead Air Blast Shroud with DA428 KeyMo Adapter is engineered to reduce muzzle concussion and flash for short-barreled rifles and pistol-caliber carbines. It is constructed from rugged 4140 HT alloy steel and finished in black nitride for corrosion resistance. The unit’s modular design supports compatibility with other Dead Air accessories and suppressors. The included DA428 KeyMo adapter enables quick, secure mounting to HUB-threaded muzzle devices.

Product Specifications

• The manufacturer is Dead Air Silencers.
• The model is Blast Shroud with DA428 KeyMo Adapter.
• The manufacturer part number is DA463KM.
• The caliber is listed as .458 Caliber.
• The barrel/assembly material is 4140 HT alloy steel with a black nitride finish.
• The finish is Black.
• The thread specification is 1.375×24.
• The overall length measures 3.11 inches.
• The listed weight is see notes due to conflicting source values; please review the notes section.
• The primary function is to direct concussion forward to reduce muzzle concussion and flash for short-barreled rifles and pistol-caliber carbines.
• The design features a modular architecture compatible with other Dead Air accessories and suppressors.
• The included adapter is the DA428 KeyMo Adapter for HUB-threaded mounting.
• Intended use includes short-barreled rifles and pistol-caliber carbines for range training and competition applications.
• The UPC for this item is 810128161800.
• The product category is Class 3 Parts & Accessories.

This blast shroud offers a practical way to manage muzzle blast without sacrificing handling or modularity. Its compact length and robust steel construction make it suitable for shooters who need a durable accessory that integrates with Dead Air mounting systems for consistent, repeatable performance.