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This is spring loaded gun. You push in the barrel to cock the gun and place a bb or pellet in the back of the gun after unscrewing the end cap. It says "HS" MADE IN W. GERMANY on the side. Seems to be made of bakelite or some similar material. Any help identifying this would be appreciated. I can provide other pictures if it would help. ka@cellularparts.com
This is one of the many (German, British, Japanese) push-barrel 'GAT' pistols made for many decades, starting around 1900 and continuing today with the Harrington SP-50. All are low-cost kid type guns. The HS9A was still being made in the 80's at least, so it's not particularly old.
Current Topic - Help Identify old W. German Pellet Gun