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A spitzer bullet (from German: Spitzgeschoss, "point bullet") 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 ...
Spitzer bullets combined with machine guns greatly increased lethality on the battlefield. Spitzer bullets were streamlined at the base with the boat tail . In the trajectory of a bullet, as air passes over a bullet at high speed, a vacuum is created at the end of the bullet, slowing the projectile.
The late 19th and early 20th century saw the introduction of smokeless powder cartridges with small caliber jacketed spitzer bullets that extended the effective range of fire beyond the limitations of the open rifle sights.
Patrone L.S. - Leichtes Spitzgeschoß ("light spitzer bullet") machine gun anti aircraft training ammunition loaded with 5.5 grams (85 gr) bullets with aluminium cores that had a muzzle velocity of 925 m/s (3,035 ft/s). Due to the lightweight bullet the maximum range was limited to approximately 2,000 m (2,187 yd).
Bullets in this caliber are hard to find but provide greater weight than .223 caliber bullets, up to 100 grains (6.5 g), without excessively quick twist rate. The .257 Roberts Ackley Improved is a second generation wildcat cartridge based on the .257 Roberts cartridge.
However, this cartridge was designed to shoot 110- to 160-grain bullets to be stabilized by 1:10 twist barrels, similar to the .270 Win. In 2007, Hornady launched its new 6.5 Creedmoor, also designed to be fed from a short action mechanism. Thought of as a bench-rest competition cartridge rather than a hunting cartridge, it is designed to shoot ...
The bullet energy is stated to be up to 1.5 times that of .25 ACP in a similar sized cartridge. It is stated to be capable of penetrating 45 layers of Kevlar soft body armor at close distances. [4] 5.45×18mm PSO (ПСО): spitzer-pointed full metal jacket bullet with lead core. [5]
The 4.5×26 MKR was claimed to be on par with a 5.56×45mm NATO M-193 bullet at up to 300 m (980 ft), while one could carry 3.5 times as many of the lighter weight cartridges. Its slender 4.5 mm (0.18 in) projectile could penetrate a steel helmet up to 300 m (980 ft), out to that range it had a similar ballistic curve to the 5.56×45 NATO with ...