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US 2019/0162497 A1Published application
High capacity firearm magazine
AssigneeVista Outdoor Operations LLC
InventorChristopher J. Michael
Life of this patent
Estimating the term…
Abstract
A high capacity magazine for high powered rimfire cartridges comprises a header portion that has a form factor to be received in a rotary magazine receptacle and an arcuate cartridge bank portion that holds a column of cartridges. A pair of clamshell halves define an arcuate cartridge bank and a lower portion of the header potion. A header caps the upper ends of the clamshell haves securing the clamshell halves together. The head and clamshell halves define the cartridge pathway to the magazine exit to be fed into the rifle chamber.
Claims20
A high capacity magazine for rimfire cartridges to be received within a rifle,—the high capacity magazine comprising:
- a head portion sized to be received in a rotary magazine slot of the rifle, the head portion having a cartridge exit slot, and an arcuate cartridge bank disposed adjacent to the head portion, the arcuate cartridge bank having an internal open column for receiving a stacked arrangement of rimfire cartridges,
- a pair of clam shell portions couplable together, when coupled, the clam shell portions defining the arcuate cartridge bank and having a pair of ends that define a portion of the head portion,
- a header that captures the pair of ends of the pair of clam shell portions thereby securing the clam shell portions together, the header comprising a plurality of header walls defining a header cavity, a portion of each clam shell portion extending into the header cavity;
- a slider with a cartridge pusher positioned in the internal open column with an externally viewable capacity indicator, and
- a spring connecting between the slider and one of the head portion and arcuate cartridge bank, the spring configured to bias the slider towards the exit opening.
2 more elements
A magazine for holding and dispensing a plurality of cartridges, comprising:
- a header comprising a plurality of header walls, the header walls defining a header cavity, one of the header walls defining an exit opening communicating with the header cavity;
- a magazine body defining a cartridge receiving volume communicating with the exit opening of the header, the magazine body including a first body portion and a second body portion, a portion of each of the first body portion and second body portion extending into the header cavity;
- a first guide fixed to one of the plurality of header walls, the first guide extending into a first guide channel defined by the first body portion, the guide receiving channel being dimensioned and configured to receive the first guide;
- a second guide fixed to one of the plurality of header walls;
- the first guide and the second guide conducting the cartridges along an exit path between the cartridge receiving volume and the exit opening.
2 more elements
A magazine for holding and dispensing a plurality of cartridges, comprising:
- a magazine body including a first body portion and a second body portion, the magazine body defining a cartridge receiving volume in the magazine body that extends along a cartridge path;
- the second body portion comprising a first wall, a second wall, and a third wall extending between the first wall and the second wall, the second body portion further comprising a first rail and a second rail that are supported by the second wall;
- the first body portion comprising a first channel wall, a second channel wall, and a third channel wall extending between the first channel wall and the second channel wall, wherein inside surfaces of the first and second channel walls define a channel and the third channel wall defines a slot communicating with the channel;
- a header disposed proximate to an end of the first body portion and the second body portion, the header defining a depression, the end of the first body portion and the second body portion extending into the depression defined by the header;
- a follower assembly comprising a follower arm and a follower base that are slidingly received in the cartridge receiving volume, the follower arm is pivotally coupled to the follower base so that the follower arm is free to pivot about a pivot axis relative to the follower base as the follower assembly moves along the cartridge path;
- the follower base comprising a post portion extending into the channel walls of the first body portion,
- a user-accessible lever comprising a button portion, a retaining portion, and a shaft portion extending therebetween, the button portion of the user-accessible lever being disposed outside of the magazine body, the retaining portion of the user-accessible lever engaging the base portion of the follower assembly, the shaft portion of the user-accessible lever extending through the slot defined by the third channel wall and through a groove defined by the post portion of the follower base;
- and
- the follower assembly further comprising a roller disposed about an outer surface of the post and a spring disposed about an outer surface of the roller.
6 more elements
Dependencies are inferred from the claim text.