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A mechanical diagram of 1915 Chauchat Machine—rifle, also known as Rifle C.S.R.G., illustrating the mechanism. The rifle weighs 19 lb. and 45 in. long; and was commissioned by Col. Chauchat from France.

Chauchat Machine Rifle

A mechanical diagram of 1915 Chauchat Machine—rifle, also known as Rifle C.S.R.G., illustrating…