Bayonet, No. 1 Mk. III, SMLE, Pattern 1907 Dated 10 16 (October 1916) Sword bayonet for use with the .303 caliber Short, Magazine, Lee-Enfield No. I Mk. III (SMLE) rifle. The Pattern 1907 bayonet is widely recognized as the bayonet used with the SMLE in both World War I and World War II. Millions of Pattern 1907 bayonets were produced in Britain, Australia, India, and the USA. The scabbard is a No. I Mk. II scabbard with the teardrop frog stud. Some scabbard producers adopted a round frog stud, which was approved in 1915.