A designated marksman rifle (DMR) is a modern scoped high-precision rifle used by infantrymen in the designated marksman (DM) role. It generally fills the engagement range gap between a standard service rifle and a dedicated sniper rifle, at around 300–600 metres (330–660 yd).
DMRs, unlike the often bolt-action sniper rifles, are almost always semi-automatic as these have higher rates of fire and typically larger magazine capacities (10, 20, or 30 rounds depending on the firearm and operational requirements) to allow rapid engagement of multiple targets. These rifles have to be effective, in terms of hit rates and terminal ballistics, at application ranges exceeding those of ordinary assault rifles and battle rifles, but do not require the extended-range performance of a dedicated sniper rifle. DMRs needs to function as part of squad (and possibly at close quarters) and often share some basic characteristics with sniper rifles when compared to other weapons carried in the DM's platoon. They typically have telescopic sights for more detailed observation and aiming, often also quick-deployed bipod for optimized accuracy, reduced recoil and better stability, and an adjustable stock for better ergonomics.
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