Philippine Scout Bolos
The US Army had 5 types of bolos which were issued:
The first was a bolo bayonet for the M-1898 Krag-Jorgensen rifles. Supposedly only fifty were made.
The M-1909 Bolo with a 14" blade
The M1910 bolo with a 10-1/4" blade.
The Model 1915 Bolo Bayonet (see photos)
During the Second World War, bolos made by the US Spring and Bumper Company of Los Angeles, CA were sent into the Philippines for use by the guerillas.