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Cal .50 SRTA M858 Ball/M860 Tracer

The SRTA/SRTA-T is designed to be ballistically comparable to the M33 Ball/M17 Tracer out to 150 meters, with a maximum range of 700 meters. The SRTA/SRTA-T can be fired in the M2 Machine Gun with the use of the M3 Recoil Amplifier Barrel Assembly

The Army continues to support the realization of low-cost, efficient training that provides a capability (5.56mm through Cal .50) to significantly enhance unit proficiencies in the small arms arena. Using the appropriate combination of NDI assessment, and developmental opportunities, small caliber training ammunition programs/acquisitions are in-step with the Army’s needs to train better and smarter. The generic use of Performance Specification Acquisition strategies have, in most cases, resulted in lower unit costs compared to the corresponding combat rounds. There are, however, additional operational and support cost savings and training enhancements realized by the short and limited range capabilities of these cartridges. Units are now able to train at nearby locations, accruing savings in terms of fuel, troop support, and billeting while increasing the opportunity to train effectively.