"NEW" Mossberg 590S 12 Gauge Shotgun - TheFirearmGuy
This guide details a practical test for the Mossberg 590S 12 Gauge shotgun, focusing on its ability to reliably cycle and fire mixed ammunition types, including mini shells, without adapters. The drill emphasizes safety checks, observation of feeding and ejection, and evaluation of performance with varied loads. It's presented from the perspective of an experienced firearms instructor, highlighting practical application and potential troubleshooting for new firearm owners.










