I don't know - I don't have a standard F model, unfortunately. This has the longer barrel and slide. It is really easy to shoot at steel at longer range, (I was going to say long range, but Joe L might read this and giggle), but it is more finicky than any of the others. It doesn't like low power loads and doesn't like cast bullet loads. I figure a thoroughbred would be a little more high strung than a mountain pony like my P-10C, of course. With higher speed jacketed rounds, she roars like a lion.