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The characteristics of 7.62 mm bullet types were not only researched in the 20th century, but were also subject to 21st century ballistic studies. Post-2010 developments. The U.S. Army developed an improved version of the M80 ball 7.62mm round, designated the M80A1. The M80A1 incorporates changes found in the M855A1 5.56 mm round. Like the ...
Enlisted Performance Report. An Enlisted Performance Report ( EPR) is an evaluation form used by the United States Air Force. Instructions for constructing an EPR appear in chapter 3 of Air Force Instruction 36-2406: Officer and Enlisted Evaluation Systems. The EPR replaced the Airman Performance Report (APR) in the late 1980s.
The 5.56×45mm NATO standard SS109/M855 cartridge was designed for maximum performance when fired from a 508 mm (20.0 in) long barrel, as was the original 5.56 mm M193 cartridge. Experiments with longer length barrels up to 610 mm (24.0 in) resulted in no improvement or a decrease in muzzle velocities for the SS109/M855 cartridge.
The .30 Carbine cartridge was developed by Winchester and is basically a rimless .30 caliber ( 7.62 mm) version of the much older .32 Winchester Self-Loading cartridge of 1906 introduced for the Winchester Model 1905 rifle. [6] (. The .30 Carbine's relatively straight case and round nose bullet have misled some to believe it was designed for ...
2,510 ft/s (770 m/s) 2,588 ft⋅lbf (3,509 J) Test barrel length: 24 in (26 in for Lapua) [1] The .308 Winchester is a smokeless powder rimless bottlenecked rifle cartridge widely used for hunting, target shooting, police, military, and personal protection applications globally. It is similar, but not identical, to the 7.62×51mm NATO cartridge.
by the Airborne and. Special Operations. Test Directorate (left) and Airborne Test. Force (right) The U.S. Army Test and Evaluation Command, or ATEC, is a direct reporting unit of the United States Army responsible for developmental testing, independent operational testing, independent evaluations, assessments, and experiments of Army equipment.
Physical requirements stated a target of 12 lbs (5.44 Kg) and 35 inches (890 mm) of length using an Army-desired 6.8mm bullet. The NGSW-AR contracts awarded July 2018 include prototypes and ammunition which would be delivered for Army evaluation in June 2019. Both NGSW-R and NGSW-AR prototypes were to be eventually tested.
A U.S. Army graphic detailing the competitors for the program as of December 2020. The Next Generation Squad Weapon (NGSW) program is a United States military program created in 2017 by the U.S. Army to replace the 5.56mm M4 carbine, the M249 SAW light machine gun, and the 7.62mm M240 machine gun, with a common system of 6.8mm cartridges and to develop small arms fire-control systems for the ...