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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.
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 ...
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.
XM7 rifle. The XM7, previously known as the XM5, is the U.S. Army variant of the SIG MCX Spear, a 6.8×51mm (.277 in), gas-operated, magazine -fed, assault rifle [1] designed by SIG Sauer for the Next Generation Squad Weapon Program in 2022 to replace the M4 carbine. The XM7 features a free-floating reinforced M-LOK handguard for direct ...
The Personnel Reliability Program (PRP) is a United States Department of Defense security, medical and psychological evaluation program, designed to permit only the most trustworthy individuals to have access to nuclear weapons (NPRP), chemical weapons (CPRP), and biological weapons (BPRP). The program was first instituted for nuclear weapons ...
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.
The Lightweight Small Arms Technologies ( LSAT) program is funded by the U.S. Joint Service Small Arms Program, with the goal of significantly reducing the weight of small arms and their ammunition. [1] Following a series of military programs to investigate advances in small arms ( SPIW, Future Rifle, ACR, OICW ), the LSAT program is the US ...