Patent ID: 8490312
Filing Date: 2013-07-23
Classification: F41A,Y10T

Abstract:
1. A quick coupling barrel assembly for removable mounting to a receiver of a rifle, the barrel assembly comprising: a barrel having a bore defining a longitudinal axis and an axial path for a bullet; a barrel extension having a front end coupled to the barrel and a rear end for coupling to the receiver of the rifle, the barrel and barrel extension collectively defining a barrel assembly; an annular shaped spring member coaxially mounted on the barrel assembly; a first radial spring seating surface disposed on the barrel assembly and facing in an axial direction; and a setting tool removably mounted on the barrel assembly, the setting tool defining a second radial spring seating surface, the spring being engageable between the first and second radial seating surfaces; wherein the spring member is positioned for compression against the radial spring seating surface when the barrel assembly is mounted to the receiver of the rifle; wherein the setting tool comprises a plurality of splines engageable with a plurality of corresponding barrel locking lugs disposed on the barrel assembly, wherein the setting tool is rotatable in a first rotational direction to lock the setting tool on the barrel assembly and further rotatable in a second rotational direction to unlock the setting tool from the barrel assembly.