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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.
In 1884, the US Ordnance Department increased the bullet weight of the 45–70 to 45–70–500, or a 45 caliber bullet, 70 grains of black powder, and a 500 grain bullet. [3] The new 45-70-500 loading was recorded with a muzzle velocity of 1315.7 feet, and generated 1525 ft lbs of energy at 100 yds, and 562.3 ft lbs of energy at 1,000 yards ...
The .475 Linebaugh is intended primarily for hunting and defense against big game. The .475 is capable of propelling a 400-grain (26 g) bullet at a muzzle velocity of 1,400 feet per second (430 m/s), developing 1,741 foot-pounds (2,360 J) of muzzle energy from a 5.5" barrel.
The M1 ammo crate held a total of 1,000 belted or linked rounds packed in 4 M1 ammo boxes and the later M1A1 ammo crate held a total of 1,000 belted or 1,100 linked rounds packed in M1A1 ammo boxes. There were two .50 M2 ammo boxes to a crate (for a total of 220 belted or 210 linked rounds) with a volume of 0.93 cubic feet.
A magnum cartridge is a firearm cartridge with a larger case size than, or derived from, a similar cartridge of the same projectile caliber and case shoulder shape. [ clarification needed ] The term derives from the .357 Magnum , the original revolver cartridge with this designation.
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.
The .475 is a wildcat cartridge made by cutting a .45-70 case to a length of 1.4 inches (36 mm), and necking it to accept a .475 bullet. The .475 Linebaugh is an immensely powerful cartridge, almost as powerful as the .454 Casull , the most powerful production revolver cartridge at the time (the .475 generates about 1,800 ft-lbs of energy.
Buffalo rifle generally refers to large-calibre, generally single-shot black powder cartridge firearms which were used to hunt the American Bison to near-extinction in the late-19th Century.