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  2. Enlisted Performance Report - Wikipedia

    en.wikipedia.org/wiki/Enlisted_Performance_Report

    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.

  3. .308 Winchester - Wikipedia

    en.wikipedia.org/wiki/.308_Winchester

    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.

  4. M1 carbine - Wikipedia

    en.wikipedia.org/wiki/M1_carbine

    The M1 carbine (formally the United States carbine, caliber .30, M1) is a lightweight semi-automatic carbine that was issued to the U.S. military during World War II, the Korean War, and the Vietnam War. [11] The M1 carbine was produced in several variants and was widely used by paramilitary and police forces around the world after World War II.

  5. Personnel Reliability Program - Wikipedia

    en.wikipedia.org/wiki/Personnel_Reliability_Program

    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 ...

  6. Starr carbine - Wikipedia

    en.wikipedia.org/wiki/Starr_Carbine

    37.5 in (950 mm) Barrel length. 21 in (530 mm) Caliber. .54 in (14 mm) Action. Falling-block. The Starr carbine was a breechloading single-shot rifle used by the United States Army. Designed in 1858, the Starr was primarily used by cavalry soldiers in the American Civil War.

  7. 7.62×51mm NATO - Wikipedia

    en.wikipedia.org/wiki/7.62×51mm_NATO

    Bullet drop and wind drift are shown both in mil and moa. The 7.62×51mm NATO has 3.38 ml (52.0 grains) cartridge case capacity. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under extreme conditions. 7.62×51mm NATO cartridge dimensions.

  8. Next Generation Squad Weapon - Wikipedia

    en.wikipedia.org/wiki/Next_Generation_Squad_Weapon

    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 ...

  9. List of body armor performance standards - Wikipedia

    en.wikipedia.org/wiki/List_of_body_armor...

    US Army soft armor inserts adhere to standards specified under FQ/PD 07–05. [18] They are required to stop the following ballistic and fragmentation threats: 2-grain (0.13 g) RCC (Right Circular Cylinder) at a velocity (V 50 ) of 2,710-foot-per-second (830 m/s) when dry and 2,575-foot-per-second (785 m/s) when wet.