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A high velocity tool propels or discharges a stud, pin, or fastener in excess of 300 ft/s (91 m/s). [1] High-velocity tools made or sold in the United States must comply under certain circumstances; [2] with many being used in the shipbuilding and steel industries. Powder-actuated fasteners are made of special heat-treated steel; common nails ...
(or 6.5mm/06) - necked down to accept a 6.5 mm bullet - The 6.5-06 offers ballistic performance between the commercialized 25-06 Remington and 270 Winchester with distinct advantages over both in particular long-range applications through a wide selection of bullets with high ballistic coefficients producing better extended range performance.
Winchester Super Short Magnum, or WSSM is a line of rebated bottlenecked centerfire short magnum cartridges introduced by the U.S. Repeating Arms Company (Winchester Inc). [1] It is a further development of the Winchester Short Magnum concept utilizing smaller bullets, but of a still higher velocity.
All of the WSM cartridges are inspired on the .404 Jeffery non-belted magnum cartridge which is shortened to fit a short rifle action (such as a .308 Winchester). [1] It was developed by Rick Jamison in 1997-1998 as proven in a 2005 lawsuit Jamison vs. Olin Corporation-Winchester division. [2] Jamison was given 7 patents on the cartridge design.
These powder measures typically use gravity feed from a hopper of powder above an adjustable cavity in a rotating cylinder. [3] A lever rotates the cylinder so the cavity moves between an upward position where powder can drain from the hopper into the cavity, and a lower position where the powder can drain from the cavity into an empty ...
Production of blasting powder for southern Illinois coal mining began in 1893. [4] Olin formed the Western Cartridge Company in 1898 to manufacture sporting rifle powder and shotgun shells for settlers of the Great Plains. The shotgun shells used primers manufactured by larger eastern ammunition firms. [4]