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Rock Chuck Bullet Swage (later abbreviated RCBS) is a handloading equipment manufacturer operating in Oroville, California. The company originated during the sporting ammunition shortage caused by World War II , became a widely recognized manufacturer of handloading equipment, and has subsequently been purchased by Hodgdon Powder Company .
Components of a modern bottleneck rifle cartridge. Top-to-bottom: Copper-jacketed bullet, smokeless powder granules, rimless brass case, Boxer primer.. Handloading, or reloading, is the practice of making firearm cartridges by manually assembling the individual components (metallic/polymer case, primer, propellant and projectile), rather than purchasing mass-assembled, factory-loaded ...
To shoehorn a large round into the 98 action required a rebated rim. When introduced, the .500 Jeffery was technically rated as the most powerful rifle cartridge although in reality not quite up to .505 Gibbs' performance. The .505 Gibbs, with greater capacity, can be loaded far in excess of the .500 Jeffery today.
.500/450 No. 1 Black Powder Express.577/450 Martini–Henry.455 Webley.461 Gibbs.465 H&H Magnum.500/465 Nitro Express.470 Nitro Express.475 Nitro Express.475 No 2 Nitro Express.476 Nitro Express.476 Enfield.500 Black Powder Express.500 Jeffery.500 Nitro Express.577/500 Nitro Express.577/500 No. 2 Black Powder Express.505 Gibbs.55 Boys
The formal definition of calibration by the International Bureau of Weights and Measures (BIPM) is the following: "Operation that, under specified conditions, in a first step, establishes a relation between the quantity values with measurement uncertainties provided by measurement standards and corresponding indications with associated measurement uncertainties (of the calibrated instrument or ...
A reduced-power load of 55 grains (3.6 g) of powder (Carbine Load) was manufactured for carbine use with a muzzle velocity of 1,150 feet per second (350 m/s). [ 4 ] 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 ]
Fred Huntington (December 12, 1912 – August 10, 1998) was an entrepreneur and cartridge wildcatter involved in the shooting industry. Huntington founded RCBS which is today one of the leading manufacturers of cartridge handloading equipment.
This enables rapid measurement of a particle size distribution by an instrument, but does require some form of calibration or assumptions regarding the nature of the particles. Most often this includes the assumption of spherical particles, thus giving a result which is an equivalent spherical diameter. Thus, it is usual for measured particle ...