The thrust ring is reversable depending on the shot shell used. Lo Po won't cycle right if it is set for heavy loads and the opposite hammers the works.
Dad's Sweet 16 [solid raised rib, gold trigger and upland scene on the receiver] was part of him. When I was getting old enough to want to start hunting, he took me out by the spring and sat a gallon plastic milk jug on a dead fall [age my self, those jugs were a new item back then] and he started speaking about the ability to make a 2nd shot. He blasted that jug up in the air and popped it again, sounded like one long shot...part of him!
When you were across the fence-row and it barked once or twice, you stopped and waited for him to recover the game. Only had he chance to ask 'did you get it?' if you heard all three...
Belgum made and bought in the mid 50's; he put boxes and boxes through it every year. Firing pin finally broke in 2001...OP it is a shooter!
I laugh at people who say the racking of a pump would scare intruders. With the bolt open, the sound of a A5 taking a round you push in and slamming it home would be truly scary, especially as the 'bang' comes a microsecond later.....