Apart from that, my main criticism would be the bead-sighted guns. The barrel sits immediately around the barrel, which will normally make you surface to hit high. The beads aren’t terrific, even so the ghost rings rule. You should argue it’s not a true bullpup, but dang, it’s shut sufficient. https://glocknation.com/product/rock-island-traditional-single-shot-410-gauge-20-shotgun-ss-104/