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The 6.5×47mm Lapua (designated as the 6,5 × 47 Lapua by the C.I.P.) [1] is a smokeless powder rimless bottlenecked rifle cartridge that was developed specifically for 300–1,000 m (328–1,094 yd) competition shooting by ammunition maker Nammo Lapua and the Swiss rifle manufacturer Grünig & Elmiger AG in 2005. [2]
On the left is a Lapua FMJ 144gr bullet and on the right is a Hornady 123gr A-Max. These are loaded to an COAL of 2.71in and even when loaded out that long they still have plenty of room to fit in the magazine of a standard short action rifle.
aka 6.2×57mm RWS. Necked down 6.5×57mm. The 6mm Remington is a carbon copy. 6×62mm Freres 1983 Germany 1 R 6×62mm 3460 2260 0.243 62mm also 6×62mmR, based on 9.3×62mm case. 6mm Lee Navy: 1895 US 0 R 6×60mmSR 2560 1629 0.236 60mm Service cartridge of the United States Navy and Marine Corps from 1895 6 mm PPC: 1975 US R 6.17×38.5mm 3212 ...
The 6.5mm Creedmoor is known for its exceptional accuracy and long-range performance. According to Gunners' Review, this ammunition is often regarded as a secret weapon for precision shooters due to its impressive ballistic properties. [11] The 6.5mm Creedmoor is a medium-power cartridge comparable to the .260 Remington [12] and 6.5×47mm Lapua ...
6.5mm Creedmoor, 6.5×48 mm, introduced in 2007 6.5×47mm Lapua , a 2005 cartridge that fires the same diameter and weight 9.0g bullet as the 6.5×54mm but achieves a faster muzzle velocity 6.5×53mmR , the rimmed Romanian and Dutch service rifle cartridge from the 1890s through World War II
The exterior shape of the Lapua Magnum case was designed to promote reliable case feeding and extraction in bolt-action rifles and machineguns alike, under extreme conditions. 7.62mm UKM maximum C.I.P. cartridge dimensions. All sizes in millimeters (mm). Americans would define the shoulder angle at alpha/2 ≈ 20 degrees.
Changing the shoulder angle. By making the shoulder closer to square, the resulting space is closer to the ideal spherical shape, resulting in a more efficient burn. If the shoulder is also to be moved back, this is a cold forming operation; if the shoulder is to stay or be moved forward, it is a hot forming operation. Reducing the case taper.
The .375 Viking bullet had an overall length of 70 mm (2.756 in) and derived its anticipated low drag from a radical LD Haack or Sears-Haack profile in the bullet's nose area. Rifles chambered for this wildcat cartridge, with a cartridge overall length of 119 mm (4.685 in), were to have been equipped with custom made 762 mm (30 in) long 203 mm ...