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.22-250 Remington maximum C.I.P. cartridge dimensions. All sizes in millimeters (mm) / Imperial (inches). 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.
In general, loads close to 100% density (or even loads where seating the bullet in the case compresses the powder) ignite and burn more consistently than lower-density loads. In cartridges surviving from the black-powder era (examples being .45 Colt , .45-70 Government ), the case is much larger than is needed to hold the maximum charge of high ...
Speer Gold Dot 124gr 9mm+P in SIG P226 magazines. Overpressure ammunition, commonly designated as +P or +P+ (pronounced Plus-P or Plus-P-Plus), is small arms ammunition that has been loaded to produce a higher internal pressure when fired than is standard for ammunition of its caliber (see internal ballistics), but less than the pressures generated by a proof round.
To put lock time and bullet dwell time in perspective; the lock time of most conventional bolt action rifles varies between 2.6 and 9.0 milliseconds, while after cartridge ignition most rifle bullets travel through a high powered rifle barrel bore in 1.0 to 1.5 milliseconds. Mechanical bolt-action rifle trigger systems with a sub 2.0 ...
Ruger No. 1 Varmint rifle in .223 Remington.Note the heavy barrel, bipod rest, large telescopic sight, and "DOPE" sheet on the stock for windage. A varmint rifle or varminter is a type of small-caliber, precision-oriented long gun (firearm or high-powered airgun) primarily used for varmint hunting and pest control.
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Killing 22 Hogs a Minute, Meatpackers Test Old Limits of Safety
The greater powder capacity put the velocities between the standard .222 Remington and the .22-250. The cartridge was not accepted by the military, but it was introduced commercially. [ 5 ] In 1963, the .222 Remington Special, also based on a stretched .222 case, was adopted along with the new M16 rifle as the .223 Remington / 5.56mm NATO .