Modular firearm stock system
First Claim
Patent Images
1. A modular firearm system, comprising:
- a receiver;
an interchangeable barrel assembly mountable to the receiver and including a barrel defining a chamber adapted to receive a round of ammunition therein;
a fire control for firing the round of ammunition;
a reconfigurable magazine adapted to supply ammunition of different sizes and/or calibers to the chamber; and
a bolt assembly received within and movable along the receiver, the bolt assembly including a bolt body having an axial bore extending therethrough and an interchangeable bolt head releasably mountable within the bolt body, and comprising an axially extending ejector mounting bore in which an ejector is received, the ejector being movable through the bolt head for rejection of a spent cartridge;
wherein the barrel can be exchanged for a barrel having a chamber adapted to receive ammunition of a different size and/or caliber, the bolt head removed from the bolt body and replaced with a bolt head adapted to engage the ammunition of a different size and/or caliber, and the magazine reconfigured to supply the ammunition of a different size and/or caliber to effect a change in size and/or caliber of the ammunition to be fired by the firearm.
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Accused Products
Abstract
A modular firearm is disclosed. The firearm that can be configured to operate using ammunition of different calibers via interchangeability of only a few parts. The firearm includes a foldable butt stock assembly for quickly and easily converting the firearm from an extended operating configuration to a compact transport configuration, and vice-versa. Additionally, the firearm includes a modular hand guard assembly having multiple mounting platforms for accommodating a variety of different accessories.
138 Citations
11 Claims
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1. A modular firearm system, comprising:
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a receiver; an interchangeable barrel assembly mountable to the receiver and including a barrel defining a chamber adapted to receive a round of ammunition therein; a fire control for firing the round of ammunition; a reconfigurable magazine adapted to supply ammunition of different sizes and/or calibers to the chamber; and a bolt assembly received within and movable along the receiver, the bolt assembly including a bolt body having an axial bore extending therethrough and an interchangeable bolt head releasably mountable within the bolt body, and comprising an axially extending ejector mounting bore in which an ejector is received, the ejector being movable through the bolt head for rejection of a spent cartridge; wherein the barrel can be exchanged for a barrel having a chamber adapted to receive ammunition of a different size and/or caliber, the bolt head removed from the bolt body and replaced with a bolt head adapted to engage the ammunition of a different size and/or caliber, and the magazine reconfigured to supply the ammunition of a different size and/or caliber to effect a change in size and/or caliber of the ammunition to be fired by the firearm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A modular firearm system, comprising:
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a receiver; an interchangeable barrel assembly mountable to the receiver and including a barrel having a bore and defining a chamber configured to receive a round of ammunition of a selected caliber therein, and a barrel extension at a rear end of the barrel, the barrel extension including a central bore that communicates with the bore of the barrel, and one or more recess portions projecting radially outwardly from and spaced about the central bore of the barrel extension; a fire control for firing the round of ammunition; a magazine adapted to supply ammunition of the selected caliber to the chamber; and a bolt assembly received within and movable along the receiver, the bolt assembly including a bolt body having an axial bore extending therethrough and an interchangeable bolt head releasably mountable within the bolt body, the interchangeable bolt head including an axially extending extractor mounting channel and an extractor received along the extractor mounting channel and pivotally mounted to the bolt head by engagement of the extractor with a pivot pin received within the bolt head, an ejector mounted within the bolt head, and one or more radially projecting locking lugs located adjacent a front end of the bolt head; wherein the barrel can be exchanged for a barrel having a chamber configured to receive ammunition of a different size and/or caliber, the bolt head removed from the bolt body and replaced with a bolt head adapted to engage the ammunition of a different size and/or caliber, and the magazine replaced or reconfigured to supply the ammunition of a different size and/or caliber to effect a change in size and/or caliber of the ammunition to be fired by the firearm.
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Specification