A heat shielding and thermal venting system, having a heat shielding element comprising an elongate, tubular member extending from a first end to a second end; a primary portion formed within a cavity of the heat shielding element; a secondary portion formed within the cavity of the heat shielding e
A heat shielding and thermal venting system, having a heat shielding element comprising an elongate, tubular member extending from a first end to a second end; a primary portion formed within a cavity of the heat shielding element; a secondary portion formed within the cavity of the heat shielding element, wherein the secondary portion has a reduced inner cross-sectional area when compared to an inner cross-sectional area of the primary portion; a plurality of entry apertures formed through the heat shielding element proximate the first end; a flare portion formed at the second end; and one or more restricted portions formed along the heat shielding element, wherein each restricted portion includes a reduced inner cross-sectional area, when compared to an inner cross-sectional area of an adjacent interior portion of the heat shielding element.
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1. A heat shielding and thermal venting system, comprising: a heat shielding element comprising an elongate, tubular member extending from a first end to a second end and including a primary portion and a secondary portions,wherein said secondary portion has a reduced inner cross-sectional area when
1. A heat shielding and thermal venting system, comprising: a heat shielding element comprising an elongate, tubular member extending from a first end to a second end and including a primary portion and a secondary portions,wherein said secondary portion has a reduced inner cross-sectional area when compared to an inner cross-sectional area of said primary portion;a plurality of entry apertures formed through said heat shielding element proximate said first end; andone or more restricted portions formed within said secondary portion of said heat shielding element, wherein each restricted portion includes a second reduced inner cross-sectional area, when compared to an inner cross-sectional area of an adjacent interior portion of said secondary portion of said heat shielding element;wherein said primary portion has an interior cavity portion that is sized so as to contain at least a portion of a barrel, a gas tube and a gas block; andwherein at least a portion of said heat shielding element is configured to be maintained within a handguard. 2. The heat shielding and thermal venting system of claim 1, wherein said heat shielding element comprises carbon fiber. 3. The heat shielding and thermal venting system of claim 1, wherein said primary portion and said secondary portion are in continuous, fluid communication with one another. 4. The heat shielding and thermal venting system of claim 1, wherein said secondary portion has an interior cavity portion that is sized so as to allow at least a portion of a barrel and/or a muzzle device to be at least partially contained within said interior cavity portion of said secondary portion. 5. The heat shielding and thermal venting system of claim 1, wherein a wall thickness of said heat shielding element is varied along a length of said heat shielding element. 6. The heat shielding and thermal venting system of claim 1, wherein said entry apertures comprise a plurality of holes formed through said heat shielding element. 7. The heat shielding and thermal venting system of claim 1, further comprising a nozzle element having a substantially tubular nozzle body, wherein said nozzle element extends from a first end to a second end, wherein said nozzle element comprises a flare portion extending from said second end, and wherein said first end of said nozzle body is attached or coupled to said second end of said heat shielding element. 8. The heat shielding and thermal venting system of claim 1, wherein said at least one restricted portion provides a reduced diameter section that restricts airflow within at least one defined portion of said heat shielding element. 9. The heat shielding and thermal venting system of claim 8, wherein said at least one reduced diameter section provides for a Venturi or Bernoulli Effect proximate said at least one reduced diameter section. 10. A heat shielding and thermal venting system, comprising: a heat shielding element comprising an elongate, tubular member extending from a first end to a second end and including a primary portion and a secondary portions,wherein said secondary portion has a reduced inner cross-sectional area when compared to an inner cross-sectional area of said primary portion;a plurality of entry apertures formed through said heat shielding element proximate said first endat least one restricted portion formed within said secondary portion of said heat shielding element, wherein said at least one restricted portion includes a reduced inner cross-sectional area, when compared to an inner cross-sectional area of an adjacent interior portion of said secondary portion of said heat shielding element; anda nozzle element comprising a substantially tubular nozzle body, wherein said nozzle element extends from a first end to a second end, wherein said nozzle element comprises a flare portion extending from said second end, and wherein said first end of said nozzle body is attached or coupled to said second end of said heat shielding element; andwherein at least a portion of said heat shielding element and at least a portion of said nozzle element is configured to be maintained within a handguard. 11. The heat shielding and thermal venting system of claim 10, wherein said first end of said nozzle body is releasably attached or coupled to said second end of said heat shielding element. 12. The heat shielding and thermal venting system of claim 10, further comprising two or more restricted portions formed along said secondary portion of said heat shielding element, wherein each restricted portion includes a reduced inner cross-sectional area, when compared to an inner cross-sectional area of an adjacent interior portion of said secondary portion of said heat shielding element. 13. The heat shielding and thermal venting system of claim 10, further comprising a nozzle attachment protrusion extending from at least a portion of said nozzle body and at least one nozzle attachment aperture formed in said nozzle attachment protrusion, wherein said nozzle element may be maintained in a position relative to said heat shielding element and/or a handguard through use of one or more mounting bolts or screws positioned through said at least one nozzle attachment aperture and aligned apertures formed in said handguard. 14. The heat shielding and thermal venting system of claim 10, wherein said primary portion, said secondary portion, and said nozzle element are in continuous, fluid communication with one another.
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