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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.
Most ammunition manufacturers also market what are termed "+P" (pronounced "plus P", designating overpressure ammunition) loadings in pistol ammunition, including the .45 ACP. This means the cartridge is loaded to a higher maximum pressure level than the original SAAMI cartridge standard, generating higher velocity and more muzzle energy. In ...
The ammunition color code system used by Canada used the British system for .303 ammunition, the American system for .30-06 ammunition, and later the NATO system for all other ammunition. C-I-L or CIL Canadian Industries Ltd. (1955–1976).
A A&TWF – Acquisition and technology work force a – Army AA – Assembly area AA – Anti-aircraft AA – Aegis ashore AAA – Anti-aircraft artillery "Triple A" AAAV – Advanced Amphibious Assault Vehicle AAC – Army Air Corps AAD – Armored amphibious dozer AADC – Area air defense commander AAE – Army acquisition executive AAG – Anti-aircraft gun AAK – Appliqué armor kit (US ...
P: Pebble powder: propellant in cube shape, designed to reduce the ratio of surface area to weight, and hence to slow the rate of burning to reduce strain on guns. A larger weight of P (approximately 16% more) is required than R.L.G. for an equivalent charge. [18] S.P.: propellant: P specially selected for consistency, for use in BL guns [18]
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Caliber/calibre: In small arms, the internal diameter of a firearm's barrel or a cartridge's bullet, usually expressed in millimeters or hundredths of an inch; in measuring rifled barrels this may be measured across the lands (.303 British) or grooves (.308 Winchester) or; a specific cartridge for which a firearm is chambered, such as .45 ACP or .357 Magnum.
New details about a study that warned against black plastic spatulas and other kitchen tools have come out. (Getty Creative) (Анатолий Тушенцов via Getty Images)