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Magpul Industries Corp.

Magpul Industries Corp. Patent applications
Patent application numberTitlePublished
20120011758INTEGRATED SLING MOUNT AND RECOIL LUG - A new sling mount for firearms is disclosed. The sling mount in particular also serves as a recoil lug for the firearm. At least one loop extends outward from the sling mount for use in attaching a sling. This passage may require a hole to be cut into the casing of the firearm for accommodation. The shape, size, contours and location of the sling mount will be dependent upon the intended weapon platform. In any event, the at least one loop provides attachment for a sling while also avoiding entanglement of the sling with a folding stock.01-19-2012
20120000351Linkage for Rimmed Ammunition - A linking system for rimmed ammunition is disclosed. The linking system features individual links that each encompass one ammunition cartridge while having an arcuate lateral arm which encompasses a neighboring link and associated cartridge. A plurality of collet arms secure the cartridge and separate as the cartridge is forced forward in the delinking process. Angular momenta from the feeding motion and the rotational motion of the de-linking assembly combine to rotate a first link away and apart from the next associated link.01-05-2012
20110302816AMMUNITION MAGAZINE - The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine.12-15-2011
20110226120Charging Handle for Automatic Rife - The present invention is a charging handle for an automatic, bolt actuated rifle. The handle features a ratcheting retraction assist and blowback diversion structures.09-22-2011
20110113663Self-Leveling Follower for an Ammunition Magazine - The present invention is a self-leveling follower for an ammunition magazine. Side extensions provide greater stability to the follower and aid in its self-leveling feature. The follower according to the present invention is also manufactured to facilitate removal from and insertion into the magazine casing when maintaining the magazine. Additional features provide greater utility by improving bolt-stop capacity and consistency of ammunition feed.05-19-2011
20110017788Sling Fittings and Sling System for a Firearm - The present invention is a sling system utilizing a rear sling fitting for a long firearm, such as a rifle. Such fittings typically are positioned between the stock and receiver. It presents a fitting body with an aperture to slide over a rifle receiver tube and a connection bar extending from a reverse of the fitting body. A point-type sling attachment may then be attached to the connection bar and be able to slide left and right across the back of the weapon, allowing for quickly adaptable left or right positioning of the weapon. Registration geometry may be added and positioned to further allow interface with weapon geometry and prevent rotation of the fitting during use. The connection bar may be positioned on another component of the weapon, such as the receiver or the stock, should the weapon not have a receiver extension tube. A convertible sling and forward sling mount are also disclosed for cooperative use with the fitting, completing the system.01-27-2011
20110005113AMMUNITION MAGAZINE - The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and may include an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing.01-13-2011
20100251591Battery Assist Device - The present invention is a battery assist devise to aid in the locking and unlocking of the bolt in a long firearm. The battery assist devise attaches to the both catch button of the firearm and thereafter acts as an extension thereof. The battery assist device comprises an interface head and attachment plate, which secure about the bolt catch button, and a curved lever that protrudes from the head and projects around the underside of the firearm, through the trigger guard area, until it projects slightly on the opposite side of the firearm. The lever then is capable of ambidextrous operation.10-07-2010
20100251590Ammunition Magazine - The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine.10-07-2010
20100205846MODULAR GUNSTOCK - The present invention is a modular gunstock utilizing a two-piece mounting structure and a stock module. The structure comprises a weapon attachment, in the case of an AR15/M16 rifle a receiver extension tube, and a sleeve slidable over said attachment and containing mounting structure for the stock module. The disclosed stock module is adjustable for length and features a length pre-set system, a latch with independent dual-pawls and an integrated impact buffer, modular tailpiece, and storage. The sleeve also features a position selectable fixed cheek plate.08-19-2010
20100186582Gas System for an Automatic Firearm - The present invention is a gas system for a firearm comprising a hollow gas tube extending between a forward gas tap in a firearm's barrel and a rearward piston assembly to impinge upon and operate the firearm's bolt operating system. The system does not have a translation rod extending between the two components as in prior art systems nor does it have a rearward tap like others. As such, it balances cleanliness and weight reduction of the prior art systems and reduces moving parts.07-29-2010
20100139144Modular Handgrip - The present invention is a modular handgrip for rifles and other long guns. The handgrip features a base with a locking dovetail rail on a first side and a second opposite side configured to receive a rail. Back strap additions are provided capable of receiving the rail on the body, which are customizable to a user's preferences while fore straps are provided with rails in a similar manner. Also provided is a storage compartment inside the main body, accessible from a bottom of the grip. As such, an organization, such as an armory, can provide a number of customizable options for handgrips while only stocking a basic grip and a number of optional modules at lower unit and storage costs. Of particular note is a modular fore strap design with an integrated trigger guard.06-10-2010
20100126053Ammunition Magazine with Four Ammunition Stacks - The present invention is a high capacity, non-drum magazine. The high capacity magazine comprises a broad general storage area capable of holding four staggered stacks of ammunition, a unified follower on a spring system biasing the follower and associated ammunition, a central partition a barrier separating two dual staggered round stacks and around which the follower will pass, and a transition area between the feed end of the magazine and the storage area. The spring may be a composite spring system, made of two springs joined in series, or a single, variable constant, spring.05-27-2010
20100071244Modular Handgrip - The present invention is a modular handgrip for rifles and other long guns. The handgrip features a base with a locking dovetail rail on a first side and a second opposite side configured to receive a rail. Back strap additions are provided capable of receiving the rail on the body, which are customizable to a user's preferences while fore straps are provided with rails in a similar manner. Also provided is a storage compartment inside the main body, accessible from a bottom of the grip. As such, an organization, such as an armory, can provide a number of customizable options for handgrips while only stocking a basic grip and a number of optional modules at lower unit and storage costs. Of particular note is a modular fore strap design with an integrated trigger guard.03-25-2010
20090277066Foldable Firearm - The present invention is a spring-biased folding firearm that stows compactly and safely. The firearm has three main components: a stock, a receiver and a grip/magazine combination. In folding, the stock folds over the receiver, sandwiching the grip/magazine between the components. When folded, the magazine over-inserts into the grip housing, allowing the stock to clear and providing additional safety when stowed by isolating the ammunition feed. A buttplate latches over the open joint to contain the unit and further secure it. When stowed, the bolt is disengaged from the ammunition feed supply, preventing accidental firing, so a loaded round can be safely carried in the chamber—allowing for immediate use of the firearm upon opening. The weapon is deployed through single-handed actuation and is spring-assisted into firing position. Currently the firearm uses readily available aftermarket parts for easier replacement if necessary and does contain hardware for mounting accessories.11-12-2009
20090255161Stock Mounted Load Bearing Assembly - The invention is an improved load bearing arrangement for use with firearms. The system comprises a cylindrical body with a sealing cap, mounting structure on the body including a plurality of mounting tabs and a “T” rail with matching structure on the stock. The mounting tabs are only partially fastened on the body so as to form hooks which will secure the body from behind the structure on the stock. The “T” rail interfaces with a corresponding notch on the rear of the stock and is secured with the stock's butt pad. A water-tight cap is also provided, which is also capable of removal and replacement without removing the remaining structure from the stock.10-15-2009
20090107022SELF-LEVELING FOLLOWER FOR AMMUNITION MAGAZINE - The present invention is a self-leveling follower for an ammunition magazine. Side extensions provide greater stability to the follower and aid in its self-leveling feature. The follower according to the present invention is also manufactured to facilitate removal from and insertion into the magazine casing when maintaining the magazine. Additional features provide greater utility by improving bolt-stop capacity and consistency of ammunition feed.04-30-2009
20080236016Gunstocks and Adapters Therefore - The present invention is a replacement gunstock assembly for rifles. The assembly comprises a stock body with a uniform mounting structure and one of a series of adapters made to accept the mounting structure and then mount, in turn, on a given rifle platform. Also disclosed is attachment means for holding the stock body and adapter together.10-02-2008

Patent applications by Magpul Industries Corp.