Specification Sheets
590-SBM4™ Specification Sheet

This spec sheet details the key features of the 590-SBM4™. A complete kit, ready-to-assemble on your Mossberg 590 Shockwave, the 590-SBM4 greatly enhances the usability of the firearm by adding a third point of contact


  • Pricing
  • Product details
  • Gun compatibility info
  • Weight, width/length info
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