Barrel conversion for a gun

F - Mech Eng,Light,Heat,Weapons – 41 – A

Patent

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Details

F41A 21/10 (2006.01)

Patent

CA 2463820

A barrel conversion for a gun comprises; an external, peripheral surface suitably configured to fit and cycle the gun whose barrel (l') is to be converted and a stepped internal bore. The stepped internal bore comprises a first, rifled portion (4') of a first internal diameter extending from the chamber of the gun, and a second, clearance portion (3') of a second internal diameter, the clearance portion (3') extending from the rifled portion (4') to the exit of the barrel (1'), and the second internal diameter being larger than the first internal diameter.

L'invention concerne un dispositif de conversion pour le canon d'une arme, lequel comprend une surface périphérique extérieure conçue pour s'insérer et tourner dans l'arme dont le canon (l') doit être converti, et un alésage intérieur à épaulements. Cet alésage intérieur à épaulements comprend une première partie rayée (4') d'un premier diamètre intérieur, qui s'étend à partir de la chambre de l'arme, et une seconde partie de dégagement (3') d'un second diamètre intérieur, qui s'étend de la partie rayée (4') à la sortie du canon (1'), le second diamètre intérieur étant supérieur au premier diamètre intérieur.

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