Written by the late Kim Lockhart, a master gunsmith. 223 Remington Centerfire Rifle Cartridge: The popular 223 Remington centerfire rifle cartridge is a commercial, rimless, bottleneck cartridge case design that is loaded commercially (factory produced ammunition) or reloaded by individual handloaders with various combinations of primer, powder and .224″ diameter bullets. Handloaders can calculate the kinetic […]
Ballistics
7mm Remington Magnum Ballistics
7mm Remington Magnum:The 7mm Remington Magnum is a .28″ caliber, belted, bottleneck cartridge case design, centerfire rifle cartridge. The 7mm Remington Magnum cartridge casing is re-loadable after the cartridge has been fired or spent with various combinations of primer, powder and .284″ diameter bullets. 7mm Remington Magnum Cartridge: Cartridge Type: Centerfire Rifle. Bullet Diameter: .284″. […]
Shotgun Drop Factor
Shot shell Drop / Trajectory: Perhaps one of the things that will cross a shotgun hunter’s mind once in awhile is how much does shot drop over a given distance and does this trajectory matter. It goes without saying that the pellets are losing energy as they travel downrange to their intended target. The controversy […]
340 Weatherby Magnum Ballistics and Information
340 Weatherby Magnum: The 340 Weatherby Magnum was developed by necking up Weatherby’s already well established 300 Weatherby Magnum to a bullet diameter of .338 inches. This filled the Weatherby cartridge gap between their 300 Magnum and 375 Magnum. This cartridge went into mass production in 1963. The 340 Weatherby Magnum is very powerful, loaded […]
