Big black powder shoot today. We had a flintlock wall gun, 4 bore, the ball weigh 4 ounces and are almost 1” in diameter.
We were shooting 300-grain loads. I also had my swivel gone, shooting golf balls with 400-grain loads.
Then left to right … a 32, 54, 75 & 4-Bore roundballs.
FYI, the wall...