Magazine extensions have an extension body having a floor panel, a right side wall, and an opposed left side wall, and a front wall, the right and left side walls each including linear engagement facilities each configured to engage the floor plate attachment facility, the extension body defining a chamber between the right and left side walls and rear of the front wall, and open in an upward direction, the linear engagement facilities being operable to constrain movement of the extension body between an attached condition in which the chamber is registered with the internal passage, and a detached condition, a door slidably and removably connected to the extension body and having an upper door edge, the door movable between an attached condition in which the door spans between front or rear portions of the right and left side walls, and a detached condition.

Magazine extensions have an extension body having a floor panel, a right side wall, and an opposed left side wall, and a front wall, the right and left side walls each including linear engagement facilities each configured to engage the floor plate attachment facility, the extension body defining a chamber between the right and left side walls and rear of the front wall, and open in an upward direction, the linear engagement facilities being operable to constrain movement of the extension body between an attached condition in which the chamber is registered with the internal passage, and a detached condition, a door slidably and removably connected to the extension body and having an upper door edge, the door movable between an attached condition in which the door spans between front or rear portions of the right and left side walls, and a detached condition.

A housing section for a cartridge magazine for a portable firearm, the housing section including: a housing section shell including an inside shell surface, an outside shell surface, and an interior space which forms a first region and a second region; a housing section top side having a first opening cross section; a housing section bottom side having a second opening cross section; a first cross section forming the first region and being configured for accommodating a first number of rows of a plurality of cartridges arranged next to one another; and a second cross section forming the second region and being configured for accommodating a second number of rows of the plurality of cartridges arranged side-by-side, the second number and the first number differing from one another by at least one full numerical value, the first cross section being consistent with the first opening cross section.

A housing section for a cartridge magazine for a portable firearm, the housing section including: a housing section shell including an inside shell surface, an outside shell surface, and an interior space which forms a first region and a second region; a housing section top side having a first opening cross section; a housing section bottom side having a second opening cross section; a first cross section forming the first region and being configured for accommodating a first number of rows of a plurality of cartridges arranged next to one another; and a second cross section forming the second region and being configured for accommodating a second number of rows of the plurality of cartridges arranged side-by-side, the second number and the first number differing from one another by at least one full numerical value, the first cross section being consistent with the first opening cross section.

A rifle includes a magazine well, a barrel, and an exo-bolt. The barrel is configured to be detachably coupled to the magazine well. The barrel includes a forward barrel portion on an end of the barrel opposite the magazine well. The exo-bolt is configured to travel along an exterior of the barrel.

A rifle includes a magazine well, a barrel detachably coupled to the magazine well, and a suppressor detachably coupled to the barrel. The barrel includes a forward barrel portion on an end of the barrel opposite the magazine well. The forward barrel portion includes a muzzle locking mechanism. The suppressor is configured to be retractable.

The present invention relates to a magazine extension which has been developed for use in semi-automatic and pump-action hunting rifles and which increases the magazine capacity without losing spring force by easily connecting the end of the rifle to the magazine tube.

A magazine extender is provided. The magazine extender includes a baseplate structured to receive a lower open end of a magazine; a side bracket structured to couple to the baseplate for securing the magazine; and a locking pin selectively moveable into a locked position to lock the side bracket to the baseplate and an unlocked position to unlock the side bracket from the baseplate. The locking pin of the magazine extender is prevented from being moved to the unlocked position by a handgrip of a firearm when the magazine is inserted into the handgrip.

A magazine extender is provided. The magazine extender includes a baseplate structured to receive a lower open end of a magazine; a side bracket structured to couple to the baseplate for securing the magazine; and a locking pin selectively moveable into a locked position to lock the side bracket to the baseplate and an unlocked position to unlock the side bracket from the baseplate. The locking pin of the magazine extender is prevented from being moved to the unlocked position by a handgrip of a firearm when the magazine is inserted into the handgrip.

A rifle having a receiver alignment system includes an upper receiver and a lower receiver configured to engage with each other in an assembled configuration by aligning and pressing an exterior portion of the upper receiver into an interior portion of the lower receiver. A cavity is defined within the interior portion of the lower receiver configured to receive the upper receiver. A lug positioned on the upper receiver defines an alignment groove formed on a lower surface of the lug. A plunger pin is provided in a hole defined within the interior portion of the lower receiver. The plunger pin is configured to engage with the alignment groove and generate a spring-loaded tension when the upper receiver and the lower receiver are engaged in an assembled configuration.