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Vortex Optics is a DBA of Sheltered Wings, Inc., which was incorporated in Wisconsin in 1989. Sheltered Wings, Inc. DBA Vortex Optics began in 2002. In 2022 after extensive research, testing and reviews Vortex became an official supplier and contractor to the American Military as the U.S. Army selected Vortex‘s XM-157 fire control system for its Next Generation Squad Weapon program.
Unertl Optical Company, Inc. was a manufacturer of telescopic sights in the United States from 1928 until 2008. They are known for their 10× fixed-power scopes that were used on the Marine Corps' M40 rifle and made famous by Marine Corps Scout Sniper Carlos Hathcock during the Vietnam War.
Peter G. Kokalis of Soldier of Fortune magazine and Shotgun News wrote that he installed over 300 Vortex Flash hiders while working as a military advisor with a Central American paramilitary unit in the 1980s. [7] The Vortex Flash Hider is used by the US Military on M4 carbines and M16 rifles with the NATO Stock Number of NSN 1005-01-591-5825 ...
A United States Marine firing an M4 carbine, using an EOTech holographic sight to aim.. The first-generation holographic sight was introduced by EOTech—then an ERIM subsidiary—at the 1996 SHOT Show, [2] under the trade name HoloSight by Bushnell, with whom the company was partnered at the time, initially aiming for the civilian sport shooting and hunting market.
Simmons Optics, a line of rifle scopes, binoculars, and other optical products. [ 25 ] [ 26 ] Under license from EOTech , Bushnell also sells Holosight, a polymer-cased non-magnifying holographic weapon sight that generates an illuminated virtual crosshair that appears to be floating in front of the gun in perfect alignment.
Vortices are points in 2D fields and lines in 3D fields (as they have codimension two). Integrating the phase of the field around a path enclosing a vortex yields an integer multiple of 2 π. This integer is known as the topological charge, or strength, of the vortex. A hypergeometric-Gaussian mode (HyGG) has an optical vortex in its center ...
The Colt Cobra is a lightweight, aluminum-framed, double-action short-barrelled revolver, not to be confused with the Colt King Cobra.The Cobra was chambered in .38 Special, .38 Colt New Police, .32 Colt New Police, and .22 Long Rifle.
The Colt Diamondback is a revolver manufactured by Colt's Manufacturing Company of Hartford, Connecticut, in calibers of .22 LR and .38 Special. Inspired by the successful Colt Python , the Diamondback was manufactured from 1966 to 1988 and was available in barrel lengths of 2½, 4, and 6 inches.