Post Barrel Plenum Operated Gas Cycling System for Automatic Firearms

Inactive Publication Date: 2016-01-07
RHINO PRECISION LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0021]The end of barrel gas buffer plenum may also be modified with additional baffles and materials to form an integrated suppressor. This would dramatically reduce the sound of the shot, and still function to cycle the firearm.
[0022]Any gas operated firearm could benefit from the present invention. The end of barrel gas buf

Problems solved by technology

Current gas operated repeating firearms do not offer th

Method used

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  • Post Barrel Plenum Operated Gas Cycling System for Automatic Firearms
  • Post Barrel Plenum Operated Gas Cycling System for Automatic Firearms
  • Post Barrel Plenum Operated Gas Cycling System for Automatic Firearms

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Embodiment Construction

[0039]Reference is made first to FIG. 1 which is a perspective view of a first preferred embodiment of the system of the present invention implemented on the end of a typical firearm barrel, removed from the associated firearm for clarity. Gas cycling system 10 in the first preferred embodiment includes end of barrel gas buffer plenum 12 positioned on the end of firearm barrel 15 and connected to the weapon receiver by way of gas tube 19. Gas buffer plenum 12 is shown to generally comprise plenum tube 22 with target side end cap 32. Centered in end cap 32 is hexagonal shaped exit port 24 suitable for facilitating the rotation of gas buffer plenum 12 onto the threaded end of a typical firearm barrel. Gas tube 19 shown in FIG. 1 extends from a return port (not seen in this view) positioned on the barrel side of gas buffer plenum 12 and directs the collected pressurized gas from the gas buffer plenum 12 to conduct it back to the receiver of the weapon, whereby the high pressure gas may...

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Abstract

A gas buffer plenum positioned at the end of the barrel of an automatic firearm. A barrel side end cap connects the system to the barrel. A plenum tube holds one or more chamber walls and retains gas pressure within the enclosure. A target side end cap creates the final pressure chamber enclosure and is attached to the plenum tube to lock the system together. This gas buffer plenum allows a bullet to leave the barrel of the firearm before the bolt of the firearm starts to open. As the gas buffer plenum is filled with the exploding gas behind the bullet, the gas chambers build and maintain pressure that is then forced back through a hole in the plenum. The gas is forced down a gas tube or into a piston system. Depending on the configuration of the firearm, either the gas force, or the piston, strikes the bolt and cycles the firearm. The system may also be used to retrofit a gas operated firearm that uses a traditional gas block design.

Description

CROSS REFERENCES TO RELATED APPLICATIONS[0001]This application claims the benefit under Title 35 United States Code §119(e) of U.S. Provisional Application 61 / 975,987, filed Apr. 7, 2014, the full disclosure of which is incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates generally to firearms and more specifically to automatic gas operated firearms. The present invention provides a gas buffer plenum at the end of a firearm barrel that stores and directs high pressure gas through a gas tube to the receiver of the firearm in order to cycle the bolt after the bullet has left contact with the barrel rifling.[0004]2. Description of the Related Art[0005]Most currently available automatic gas operated firearms have a barrel with a small hole drilled vertically into the barrel to allow gas to escape up into a gas block. This vertical hole and gas block are typically located midway down the barrel. As a round is fired...

Claims

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Application Information

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IPC IPC(8): F41A3/62
CPCF41A3/62F41A5/26F41A5/28
Inventor KINGSBURY, KLINT MCLEANREINARZ, CLAYTON WARRENSNIDER, RONALD CHRISTOPHER
Owner RHINO PRECISION LLC
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