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The rimmed.30-40 round was also known as .30 Army or .30 U.S. Although the .30-40 Krag was the first smokeless powder round adopted by the U.S. military, it retained the "caliber-charge" naming system of earlier black powder cartridges, i.e. a .30-caliber bullet propelled by 40 grains (2.6 g) of smokeless powder.
The Springfield Model 1892–99 Krag–Jørgensen rifle is a Norwegian-designed bolt-action rifle that was adopted in 1892 as the standard United States Army military longarm, chambered for U.S. caliber .30-40 Krag cartridges.
The slower-burning deflagration action results in a characteristic fragmentation pattern with large pieces dispersed in a 30-degree cone. [5] The Mk 211 is a very popular .50 caliber sniper round used in the Barrett M82 rifle and other .50 BMG rifles. [4] It is also often used in heavy machine guns such as the M2 Browning, but not the M85.
The LG5/QLU-11 is designed for long-range use and so has been described as a "sniper" grenade launcher. [ 6 ] Befitting that designation, it is said to have a very high accuracy of 3-round R100 accuracy of 1 m (3.3 ft) at 600 m (2,000 ft) range using the BGJ5 ammunition, meaning that with proper aiming the weapon can put three successive high ...
Footage released showed the rifle intentionally aiming off target so the bullets could correct their flight path. EXACTO technology is claimed to markedly extend the day and night-time range of current sniper systems. [4] [5] How the ammunition is designed to change direction in mid-air is classified. The second phase of the program was ...
The M21 remained the Army's primary sniper rifle until 1988, when it was replaced by the M24 sniper weapon system; some M21s were later re-issued and used in the Iraq War. [ 12 ] [ 3 ] In standard military use, the M21 uses a 20-round box magazine as the other members of the M14 family and weighs 11 pounds (5.27 kg ) without the scope. [ 13 ]
The Model 54 had a relatively heavy two stage trigger pull, which was greatly improved in the Model 70. [3] Standard chamberings included the .22 Hornet, .220 Swift, .250-3000 Savage, .257 Roberts, .270 Winchester, 30-30 Winchester, .30-06 Springfield, 7x57mm Mauser, 7.65x53mm Argentine, and 8x57mm Mauser.
A 32 megajoule railgun shot is equivalent to about 23,600,000 foot-pounds, so a single 32 MJ shot has the same muzzle energy as about 200,000 .22 rounds being fired simultaneously. [99] In more conventional power units, a 32 MJ shot every 6 s is a net power of 5.3 MW (or 5300 kW).