50 Caliber WWII shell casing found on the beach in NC. Made 1943

USA 5/38 (12.7 cm) Mark 12 - NavWeaps

World War II Ammunition Found in Sand at Topsail Island - Welcome to Topsail Island

I have a bullet that has S.L. 43 on the bottom of it. Is this equivalent to a .50 cal round? - Quora

Artillery 1943 hi-res stock photography and images - Page 2 - Alamy

WWII shell casings found in Surfside Beach after Hurricane Florence

Went for a walk on the beach and found these shells : r/mildlyinteresting

In world war II did American Navy ships recycle their shell casings? - Quora

Were the German bunkers on Omaha beach much further from the shire than popularly dramatized in the film Saving Private Ryan? - Quora

Brown Water Navy in Vietnam Naval Historical Foundation

Ww2 Shell Casings