Gas-Operated Shotguns 101: Remington 1100/11-87, Beretta 300/390/391/A400, Browning Gold/Maxus
A hands-on, plain-English guide to how the big-name gas shotguns actually work, how to keep them running, and what really matters when you’re choosing between an 1100, a 391, or a Browning Gold/Maxus.