I’ve been shooting the A350 Xtrema Max5 by using a modest range of shot varieties ranging from #8 goal hundreds the many way nearly Winchester Super-X 1,600 fps 1-ounce slugs (only for the heck of it.) As a semi-vehicle with a well made fuel method and powerful butt pad, it’s a gentle shooter so far as 12-gauge shotguns go. It’s unattainable