Antique Swiss Model 1957 Bayonet & Scabbard W/ leather frog. Measures : blade length 9 1/4 inches, overall length 14 1/2 inches. Swiss M 1957 bayonet is a must have for collectors and enthusiast. This piece is an original item from the Vietnam war era and is categorized as militaria collection. This is well preserved and is in excellent condition for its time.