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Its 4.5 mm (0.18 in) caliber boat-tail spitzer bullet was 22 mm (0.87 in) long and made by cold rolling solid copper wire. [ 1 ] The lightweight bullet of 1.58 g (24.4 gr) reportedly achieved a muzzle velocity of about 1,000 m/s (3,300 ft/s) and a muzzle energy of 790 J (580 ft⋅lbf).
5 mm» This is a list of firearm cartridges which have bullets in the 4 millimetres (0.16 in) to 4.99 millimetres (0.196 in) caliber range. All measurements are in mm (in).
The group on the right measures about 7 mm and was fired at about 90 meters, which equals 7 mm / 90 m = 0.08 mils (0.3 in group at 100 yards, approx. 1.047′×0.3 = 0.314′). In shooting sports , a shot grouping , or simply group , is the collective pattern of projectile impacts on a target from multiple consecutive shots taken in one ...
Sensor fuzes can be considered smart proximity fuzes. Initial developments were the United States 'Seek and Destroy Armour' (SADARM) in the 1980s using sub-munitions ejected from a 203 mm (8.0 in) carrier shell. Later European developments, BONUS and SMArt 155, are 155 mm (6.1 in) calibre due to advances in electronics. These sensor fuzes ...
The .22 Winchester Magnum Rimfire, also known as the .22 WMR, .22 Magnum, .22 WMRF, .22 MRF, [2] or .22 Mag, is a rimfire cartridge.Originally loaded with a bullet weight of 40 grains (2.6 g) delivering velocities in the 2,000 feet per second (610 m/s) range from a rifle barrel, .22 WMR is now loaded with bullet weights ranging from 50 grains (3.2 g) at 1,530 feet per second (470 m/s) to 30 ...
The minimum acceptable accuracy of the .45-70 from the 1873 Springfield was approximately 4 inches (100 mm) at 100 yards (91 m), however, the heavy, slow-moving bullet had a "rainbow" trajectory, the bullet dropping multiple yards (meters) at ranges greater than a few hundred yards (meters).
101955 Bennu (provisional designation 1999 RQ 36) is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and has the third highest cumulative rating on the Palermo scale. [9]
The United States Army developed a canister round, the M1028, for the M1 Abrams' 120 mm smoothbore gun in time for the 2003 invasion of Iraq. The effect is to turn a large-caliber gun on an armored fighting vehicle into a giant shotgun. This can be used against enemy infantry even when in proximity to friendly armoured vehicles, as the ...