To make a composite gun barrel, an inner barrel of a hard refractory material is formed and a
composite jacket formed over it to increase the stiffness and strength while not adding …

A firearm heat sink is provided that may be easily affixed to, and removed from, a firearm.
The heat sink is provided with a plurality of cooling fins. In a preferred embodiment, the …

(57) ABSTRACT A handguard comprising a plurality of layers of composite material. At least
one of the layers is a ceramic matrix composite and at least one of the layers, and preferably …

2014-12-11 Assigned to US DEPARTMENT OF ENERGY reassignment US DEPARTMENT
OF ENERGY CORRECTIVE ASSIGNMENT TO CORRECT THE SANDIA CORP0RATION …

(51) Int. Cl. A thermal mirage reducing device for firearms is disclosed F4 LA 13/00(2006.01)
and described. The thermal mirage reducing device includes F4 LA 2L/32(2006.01) a heat …

A composite barrel assembly for a gun, such as a muzzle-loading mortar for fin-stabilized
projectiles. The composite construction of the barrel has a plurality of generally concentric …

Weapon barrels are disclosed which offer improved thermal performance and rigidity with
no, minimal or negative weight increase. In general the barrel comprises a barrel core …

(57) ABSTRACT A firearm barrel has components made of different materials. The barrel
includes an elongate metal insert member. A rigid Sleeve Surrounds the insert member …

The mode of failure of Structures designed for Specific end uses Such as gun barrels can be
determined by basic mecha nisms. One Such mechanism is the rate at which heat can be …

The present invention overcomes the aforesaid drawbacks of the prior art by providing a
firearm barrel having com ponents made of different materials. The firearm barrel comprises …