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A copper-plated hollow-point loaded in a .44 Magnum, for example, with an original weight of 240 grains (15.55 g) and a diameter of 0.43 inch (11 mm) might mushroom on impact to form a rough circle with a diameter of 0.70 inches (18 mm) and a final weight of 239 grains (15.48 g).
The 62 grain (4.0 g) projectile can better penetrate steel, brick, concrete, and masonry walls, as well as body armor and sheet metal. It penetrates 3 ⁄ 8 in (9.5 mm) of mild steel at 350 meters, which the M855 can only do at 160 meters.
A spitzer bullet (from German: Spitzgeschoss, "point shot") is a munitions term, primarily regarding fully-powered and intermediate small-arms ammunition, describing bullets featuring an aerodynamically pointed nose shape, called a spire point, sometimes combined with a tapered base, called a boat tail (then a spitzer boat-tail bullet), in order to reduce drag and obtain a lower drag ...
Projectile velocities can reach 4.5 kilometres per second (16,000 km/h) for the 8.0-inch (200 mm) configuration and 7 kilometres per second (25,000 km/h) for the 3.3-inch (84 mm) launcher configuration. [4] The primary use of the range facilities at Arnold Air Force Base is the measurement of released kinetic energy upon projectile impact.
Alternatively if released at high altitudes over 10,000 feet (3,000 m), the projectile will approach its terminal velocity of around 700 feet per second (210 m/s; 480 mph; 770 km/h). [6] [2] A variant version of the "Lazy Dog" projectile was developed for the recoilless rifle. Development was suspended because another type of flechette was used ...
Projectile: Full metal projectiles should be made of a material with a very high density, like uranium (19.1 g/cm 3) or lead (11.3 g/cm 3).According to Newton's approximation, a full metal projectile made of uranium will pierce through roughly 2.5 times its own length of steel armor.
The BC gives the ratio of ballistic efficiency compared to the standard G1 projectile, which is a fictitious projectile with a flat base, a length of 3.28 calibers/diameters, and a 2 calibers/diameters radius tangential curve for the point. The G1 standard projectile originates from the "C" standard reference projectile defined by the German ...
The "angle of reach" is the angle (θ) at which a projectile must be launched in order to go a distance d, given the initial velocity v. sin ( 2 θ ) = g d v 2 {\displaystyle \sin(2\theta )={\frac {gd}{v^{2}}}}