The Bushmaster MUTA II BM556 is a dedicated suppressor designed for 5.56 NATO and .223 Remington loads. It is built from Inconel 625 and engineered to be shorter and lighter than earlier iterations, while providing straightforward user maintenance via a threaded front cap and removable baffles. The design emphasizes compact dimensions and heat dissipation for use on modern carbine platforms.

Key Specifications

• The caliber compatibility is 5.56 NATO / .223 Remington.
• The thread pattern is 1/2″x28.
• The overall suppressor length is 5.65 inches.
• The unit weight is 12.25 ounces.
• The construction material is Inconel 625.
• The exterior finish is Black Cerakote.
• The outer diameter at the flare measures 1.815 inches.
• The outer diameter at the suppressor body measures 1.675 inches.
• The suppressor is full-auto rated.
• Measured sound reductions against a bare muzzle are 25.0 dB (left ear), 25.0 dB (muzzle), and 26.1 dB (right ear).

The MUTA II is intended for users who need a compact, serviceable 5.56 suppressor that balances weight, durability and maintainability. Removable baffles and a threaded front cap allow for disassembly and cleaning without platform modification, and the Inconel 625 construction is selected for high-temperature durability. SOT required; all NFA rules apply.