British Martini-Henry Rifle Stock Cup in Nickel with Original Spring - MkI MkII MkIII and Carbines Antique Flintlock Firearms which means the 9th Infantry

which means the 9th Infantry Division

It even retains the original chained firing pin protector that fits between the hammer face and the firing pin assembly

It was first used in combat in World War I

and retains its original color well

Clearly the USGI cut them from the German uniform from which they came

British Martini-Henry Rifle Stock Cup in Nickel with Original Spring - MkI MkII MkIII and Carbines Antique Flintlock Firearms which means the 9th InfantryNew Made Item: Very high quality nickel stock cup for the Martini Henry Marks I, II, III and carbines drilled for cross pin and comes complete with an original C spring.