F - Mech Eng,Light,Heat,Weapons – 41 – A
Patent
F - Mech Eng,Light,Heat,Weapons
41
A
89/39
F41A 21/00 (2006.01)
Patent
CA 1275845
ABSTRACT OF THE DISCLOSURE An automatic shotgun choke is provided which is attached to the muzzle of a shotgun barrel and can be adjusted manually by a device mounted within and extending from upper portion of the choke so as to selectively produce a choked and unchoked muzzle. In a modification gas pressure from a fired shell turns fan blades within the choke to operate a chocking action upon a charge as it leaves the muzzle.
519426
Anderson Mark S.
Spector George
Anderson Mark S.
Spector George
LandOfFree
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