Had a great uncle fall while quail hunting. Bent his A5 barrel. You could see it looking down the side or through the bore. Another old gunsmith set a couple bags of shot on the bench and he hit the barrel over them several times, checking them by sight until he was satisfied. Then had my great uncle shoot the end of a tin can at about 15 yards. Went back and whacked it again over the shot bags and told him to shoot it. Never had any problem with it again. Gunsmith said A5 barrels were easy to bend by accident and easy to straighten.