Mossberg FLEX CONVERSION KIT: Stock Adapter with Pistol Grip, 12 Gauge

Convert your existing 12 Gauge 500, 590, 590A1, or Maverick 88 shotgun to a FLEX Pistol Grip Security model and gain the convenience of quick-change FLEX TLS-enabled components. Includes the stock adapter and FLEX pistol grip. Note: Not compatible with 590 Shockwave or Compact Cruiser.