OpSol Mini Clip Mini Shell Adapter 2.0 for Mossberg 500/590
The OpSOL Mini Clip allows you to use Aguila Mini Shells in your Mossberg 500 or 590 shotgun, increasing your ammunition capacity by over 60% and lowering recoil significantly. It can be installed (for the MiniShells) and removed (for Full Size Shells) based on the shell size the operator chooses, in under 5 seconds. Fits: 12 Ga Mossberg 500, 590, 590A1, and Maverick 88 models. Great for the Shockwave!