Your cylinder and consequently ring and piston should be fine. There is still crosshatch pattern in there. See the fine lines inside the look like real fine scratches. The make a lattice pattern on your cylinder walls. The helps with sealing the combustion chamber. Its when you see scratches or score marks going up and down the cylinder when you have problems.
Take your fingernail and see if there is a ridge on the side the head bolts to, also just rub around in cylinder and see if you feel any scratches. Just to double check. Just remember, we are looking at pictures and can't see everything.