O.f. Mossberg & Sons, Inc.

Wayne E Hopkins

Joseph H Bartozzi

David Johnson

Thaddeus Boruchowski

Derek Parker

Robert A Talboot

A firearm system is provided. A pump-action firearm, such as a shotgun, includes a buffer attached to a trigger housing. The buffer consists of a resilient or semi-resilient material and is positioned such as to face towards an opening the receiver in which the magazine tube is partially received. The buffer includes a contoured bottom surface and an upper surface, configured in a way which shortens the space available within an opening of a receiver while accommodating the loading of shells into a magazine tube. Upon moving a shell into the opening, such as by pumping the action, the shell impacts the buffer, which stabilizes the shell prior to being lifted by an elevators. For shorter shells, this reduces the risk of a jamming event. For longer shells, the buffer is configured to compress to accommodate the additional length.

Firearm for use with ordnance of varying lengths

A method for locking a firearm in an 'open' position involves blocking some portion of the firearm's action (internal operational mechanism) with a selectively-extendable locking device accessible from outside the firearm. More specifically, the locking device is positioned at one of a plurality of pre-selected locations on the firearm, and includes a plunger that lies retracted when the device is unlocked, and that extends into the interior of the firearm when locked. The pre-selected location is chosen such that: (i) when locked, the locking device interferes with the firearm's action, preventing it from being closed, and the firearm from being fired; (ii) the locking device can only be locked when the firearm's action is in an open position, with the chamber visually exposed; and (iii) to the extent one is able to operatively disassemble the firearm when the locking device is locked, the locking device cannot be defeated internally.

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Wallingford, CT, United States of America

Wayne E Hopkins