Surefire MB556K Muzzle Break

Style: SUR4136
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Part No. MB556K
  • Product Description
  • Customer Reviews


  • Provides rock-solid suppressor attachment in seconds without tools
  • Also serves as a precision adapter mount for SureFire FA556K and FA556-212, FA556MG, MINI, and MICRO suppressors
  • Machined from heat-treated stainless steel, finished in a tough, corrosion-resistant coating
  • High resistance to heat and gas/particle erosion
  • Installation requires no permanent modifications for M4, M16, AR15 type weapons