MANUFRANCE CAST IRON SIGNAL CANNON OR ALARM.

Black painted case iron construction with raised "MF" Manufacture Francaise d'Armes et Cycles de Saint-Etienne maker mark. The cannon barrel has raised "MADE IN FRANCE" and "DANGER - FOR BLANK / CARTRIDGES ONLY" markings. Designed for 12 GA blanks, these post-1968 cannons have a plugged bore and large under barrel vent. These small cannons are designed to be bolted down and fired by a lanyard or trip wire. CONDITION: Fine. Paint shows some mild chipping. The locking pin is replaced with a bolt.