Once accustomed to cock on opening, shooting an M1917 is weird in a match because when you slap the bolt down it will spring back up if not done correctly.
There are ZERO commercial rifles produced today that cock on closing, much to the chagrin of the Enfield lovers.
Phillip McGregor (OFC)
"I am neither a fire arms nor a ballistics expert, but I was a combat infantry officer in the Great War, and I absolutely know that the bullet from an infantry rifle has to be able to shoot through things." General Douglas MacArthur