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The .22-250 Remington / 5.7x48mm is a very high-velocity, short action, .22 caliber rifle cartridge primarily used for varmint hunting and small game hunting. It is capable of reaching over 4,000 feet per second.
Performance is similar to the popular .22-250. Once Remington introduced rifles in .22-250, they quickly superseded the .224 Weatherby Magnum in popularity, forcing Weatherby to chamber rifles in .22-250. This was the first time that Weatherby offered rifles in a commercial chambering. [4]
The length of the barrel (especially for larger guns) is often quoted in multiples of the caliber, used, for example, in US naval rifles 3 in (76 mm) or larger. [2] The effective length of the barrel (from breech to muzzle) is divided by the barrel diameter to give a dimensionless quantity.
A powder with a slower burning rate is used to make the most use of the length of a rifle barrel. Most .22 long rifle powders increase velocity up to about 19 in (480 mm) of the barrel. The powder used in the Stinger increased the velocity in the longest .22 caliber barrel length that is used in testing by the NRA, which is 24 in (610 mm). [26]
.22 caliber, or 5.6 mm, refers to a common firearms bore diameter of 0.22 inch (5.6 mm) in both rimfire and centerfire cartridges. Cartridges in this caliber include the very widely used .22 Long Rifle and .223 Remington/5.56×45mm NATO. .22 inch is also a popular air gun pellet caliber, second only to the ubiquitous .177 caliber.
The model 501/502F Striker was produced from 2000 to 2005 and chambered for .22 LR (Model 501F) and .22 WMR (Model 502F) with 5 eller 10 round magazines. Its total length was 480 mm (18.6 inches), with a 250 mm barrel (10 inches) and a weight of 1814 grams (4 pound). It was delivered with a mount for attaching a scope sight and ambidextrous grip.
The .224 Valkyrie (5.6×41 mm) [5] cartridge is a .22 caliber (5.6 mm) rimless bottlenecked intermediate rifle cartridge, developed by Federal Premium Ammunition to rival the performance of the .22 Nosler, while still being compatible with modern sporting rifles (MSRs). [4]
Remington 788 with the 18.5 inch barrel in 243 Win caliber made in 1982. A left-handed version was produced in .308 and 6mm Remington calibers. The Carbine version with an 18.5-inch (47 cm) barrel was produced in .308 Winchester, 7mm-08, and .243. The stock was revised in 1980 being the only significant change throughout the production history.