270 Weatherby Magnum History The 270 Weatherby Magnum was introduced to the shooting public in 1945 by Roy Weatherby. The cartridge case itself is a shortened 300 H&H; Magnum case with the body blown out and necked down to accept a .27 caliber bullet. The 270 Weatherby Magnum is an excellent, accurate, and flat shooting […]
centerfire
223 Remington Ballistics (Chart, History, Uses)
The 223 Remington is a centerfire rifle cartridge that is a .22″ caliber, rimless, bottleneck cartridge case design that can be reloaded. Rifles chambered in this round have a barrel bore land to land diameter of .219″ and a bore groove to groove diameter of .224″. Common barrel rifling twist rates for the 223 Remington […]
Centerfire Rifle Cartridge Reloading Bullet Runout
Centerfire Rifle Cartridge Reloading: Correcting Bullet Runout: Bullet runout is the cause of most reloaded rifle cartridge inaccuracies. Most rifle cartridge case and bullet alignment is determined in the resizing die but there are other reasons and situations that will cause excessive bullet runout which are not readily seen with the human eye. Bullet Runout […]
Rifle Reloading Equipment Guide
The center fire rifle cartridge is a type of rifle ammunition that has a bullet as a projectile that is fired from a breech loading rifle. The interaction between rifle bullet and rifled bore are termed as internal ballistics. The action of the bullet once leaving the rifle barrel is usually refereed to as external […]