When McCall shoots the German in the back and then the German tries to shoot him, McCall fires either 9 or 10 rounds from his M1 Garand. The Garand only holds 8 rounds.
When Hanley throws the grenade, it lands to the left of the Germans, from the camera's POV, but the explosion is behind the Germans, and to the right of where the grenade landed.
Caje and Kirby are checking out the church. When Kirby goes up the stairs, Caje continues ahead and the shadow of the boom moves across a beam that is on the floor.