Patent ID: 8051595
Filing Date: 2011-11-08
Classification: F41A,F41C,F41G

Abstract:
1. An automatic or semi-automatic rifle comprising: a receiver having a receiver frame of unitary construction with an integral hand guard section; a barrel removably connected to the receiver frame, the integral hand guard section extending over and generally surrounding the barrel; a removable hand guard section removably connected to the receiver, the removable hand guard section having a lock locking the removable hand guard section to the receiver frame, the lock having a movable latching member movable between an engaged and disengaged positions, wherein movement of the latching member to the engaged position substantially simultaneously locks and stably holds the removable hand guard section to the receiver, and upon movement of the latching member to the disengaged position the removable hand guard section is unlocked and movable relative to the receiver frame, and wherein the lock is arranged so that movement of the locking member between engaged and disengaged positions is effected by no more than a single user action of pushing the latch up; the removable hand guard section having a removable accessory device mounting rail, the removable hand guard section mateable with the integral hand guard section of the receiver; and the lock comprising a quick release lock mounted to at least one of the removable mounting rail or the receiver for locking the removable mounting rail to the receiver; wherein when in the engaged position the latching member locks the removable mounting rail in an installed position to the receiver, and when the latching member is in the disengaged position, the mounting rail is unlocked and freely movable relative to the receiver, and wherein the latching member has a cam surface thereon cooperating with the receiver for camming the latching member.