Apparently, Colt made a few hundred pump action 44 caliber rifle/muskets designed to mount a sword bayonet.
Multiple online references state that 250 rifles with bayonets were sold to Costa Rica, the source of this information is unknown.
The existing rifle serial numbers date production of this rifle to 1889 through 1891.
Colt Lightning Musket Bayonet – Type II
Straight single edged blade
Unknown Feather Grip Bayonet - Possible Colt Lightning
Yataghan blade with forward swept quillion
Dorlin Kerr Collection