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A Universal Machinegun Sight (UMS) with a modular design is discussed, whereby the UMS includes a main body receiving a lens body in a detachable manner; a mounting solution disposed in the main body; a wheel type bullet drop compensation device to accept various caliber disks and disposed in the ma

A Universal Machinegun Sight (UMS) with a modular design is discussed, whereby the UMS includes a main body receiving a lens body in a detachable manner; a mounting solution disposed in the main body; a wheel type bullet drop compensation device to accept various caliber disks and disposed in the main body; a removable LED module disposed on the main body; and a magnification mounting rail disposed on the main body.

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1. A Universal Machinegun Sight (UMS) with a modular design, the UMS comprising: a main body receiving a lens body in a detachable manner;a mounting solution disposed in the main body;a wheel type bullet drop compensation device to accept various caliber disks and disposed in the main body;a removab

1. A Universal Machinegun Sight (UMS) with a modular design, the UMS comprising: a main body receiving a lens body in a detachable manner;a mounting solution disposed in the main body;a wheel type bullet drop compensation device to accept various caliber disks and disposed in the main body;a removable LED module disposed on the main body; anda magnification mounting rail disposed on the main body,wherein the various caliber disks are mounted horizontally within the main body, and have an axis of rotation that is vertically aligned with the main body. 2. The UMS of claim 1, wherein the mounting solution comprises a plurality of locking bolts configured to attach the UMS to various machineguns without use of tools. 3. The UMS of claim 1, wherein the various caliber disks include at least one of a 5.56 mm disk, a 7.62 mm disk, a 12.7 mm disk, a dual disk (7.62 mm/12 .7 mm), and a 20 mm disk. 4. The UMS of claim 3, wherein the UMS is configured to allow only one caliber disk to be installed at a time and allows a user to quickly replace a disk to enable use of the UMS with various machineguns. 5. The UMS of claim 1, wherein the lens body includes: a transparent sight lens;an outer lens retention frame; andan inner lens retention frame,wherein the outer and inner retention frames install the sight lens inside the lens body by at least one focus angle, and protect the transparent sight lens from shocks and vibrations. 6. The UMS of claim 5, wherein the outer lens retention frame and the inner lens retention frame are adjustable to install the transparent sight lens at a desired focal angle for a reticle. 7. The UMS of claim 5, wherein the outer lens retention frame and the inner lens retention frame secure the transparent sight lens to the lens body. 8. The UMS of claim 1, wherein the main body is configured to accommodate various size lens bodies. 9. The UMS of claim 8, wherein each lens body is configured to be moved back and forth to identify an optical focal distance of a reticle from the removable LED module. 10. The UMS of claim 1, wherein the main body lacks a drainage hole in front of the removable LED Module. 11. The UMS of claim 1, further comprising a magnification mount, wherein the magnification mount is attached to the main body using the magnification mounting rail. 12. The UMS of claim 11, wherein the magnification mount is configured to attach at least one of magnifiers, cameras and optical devices to the main body. 13. The UMS of claim 12, wherein the removable LED module includes at least one removable etched lens having range finder markings. 14. The UMS of claim 13, wherein the range finder markings are at least one of a dot, a circle, and a hash mark. 15. The UMS of claim 1, wherein the various caliber disks of the UMS enable use of one machinegun sight for various size machineguns by selecting and installing the various caliber disks. 16. The UMS of claim 1, wherein the lens body is removable from the main body so that another lens body is attachable to the main body. 17. The UMS of claim 1, wherein each disk has a plurality of radially extending extensions, an intermediate ring portion, and an aperture in the middle of the intermediate ring portion, and wherein the aperture has a smooth upper wall portion and a toothed lower wall portion.