Before climbing over the wall, Garrett puts his rifle on top of the wall, directly in front of his hands. When the camera angle changes to the other side of the wall, the rifle is to Garrett's left.
When Saunders, Doc and Garrett escape by climbing the wall, the wall moves, revealing that it is a prop, not made of stone.
Caje and the old man position planks from the loading area onto the back of the truck so that they can roll the barrels onto the truck. They could have just backed the truck all the way up to the loading area.
At 3:00 Cage knocks loose a bunch of grapes. When they come out, the grapes are back up.
After Caje and the old man go into the winery to get the barrels, Saunders comes down the stairs to sneak in and help with Hanley. As he passes the truck, some shadows of the crew are seen on the truck.