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LSAT rifle
The LSAT rifle, of the LSAT (Lightweight Small Arms Technologies) program, is a developmental assault rifle. Design began in 2008, four years after the beginning of the LSAT program. Like the LSAT LMG, the rifle is designed to be significantly lighter than existing designs, and is designed to fire lighter ammunition.〔 Like the rest of the program, the weapon extensively uses parallel development.〔 It has designs for polymer-cased ammunition and caseless ammunition, and designs using spring-loading magazines and weapon-powered magazines.〔 This parallel development reduces the risk of the program failing.〔 Computer simulation and modelling, particularly of the LMG, is being used for all components of the program, including the rifle.〔 This reduces both time and expenditure for prototyping and testing. The other program components use a 'spiral development' approach,〔 whereby the product is rolled out in stages or 'spirals', each stage producing a new version that is an improvement on those from previous spirals; the rifle shall likely use the same approach. The weapon and the program are closely connected to the Future Force Warrior concept, with aims to integrate electronics and computerized optics, and aims to increase the mobility of soldiers. The weapon is also intended to improve on reliability and ease of maintenance.〔
==Design Requirements==
Various new designs for infantry drove the requirement for the standard rifle to be lighter. New uses of information technology and future concepts (such as the Future Force Warrior) require lighter equipment. Notably, when extra weight from advanced, computerized optical sights is introduced, the weapon needs to be made lighter to compensate. New strategic concepts require greater infantry mobility to be fully realized. Making the LSAT rifle lighter is the most essential innovation of development. Other improvements are also important. The weapon is being designed with the integration of electronics and advanced optics in mind.〔 The reliability of the current M16 and M4 compared with rifles using gas pistons has led many to call for the former weapons to be replaced. A highly reliable gas-system is important for the LSAT rifle. Improved reliability of the rifle in general is a likely requirement, similar to the improved reliability objective for the LSAT LMG.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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