SB Tactical 590-SBM4 12Ga 20Ga & 410 Mossberg 590 Shockwave Pistol Brace Kit – 590-SBM4-01-SB


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SB Tactical Mossberg 590 12Ga & 20Ga Shockwave Brace

The SB Tactical Mossberg 590 12Ga & 20Ga Shockwave Brace Shotgun Parts kit is a ready-to-assemble complete kit complete with a castle nut and nylon strap. In addition, the SB Tactical Mossberg 590 Shockwave Brace kit is ATF compliant making it a great choice for those looking for a pistol that meets rigorous standards. With the SB Tactical SBM Mossberg Stabilizing kit you can enhance the usability of your firearm with ease.


  • Complete kit, ready-to-assemble
  • 12Ga & 12Ga kit
  • Kit includes:
    • SBM4™ Pistol Stabilizing Brace®
    • STDT-C pistol receiver extension
    • ERGO Flat Top SUREGRIP
    • ERGO Mossberg 590 adapter
    • Castle nut
    • Adjustable nylon strap
  • US veteran designed and proudly made in the USA