Replacements - S1-E4
Visible crew/equipment: When the damaged Sherman is from behind rolling forwards, two crew members can be seen guiding it in white T-shirts through the hedgerow. (00:33:20)
Replacements - S1-E4
Visible crew/equipment: At the end, as they are moving out there is a high shot of two trucks driving towards the camera. The first truck reflects the camera shadow on the ground. (00:52:20)
Answer: That actually is the clip. It is loaded into the top of the rifle, and is ejected with the last round. See http://www.wwiitech.net/main/usa/weapons/m1/.
J I Cohen