1) We get the bullet closer to the rifling’s and this creates a generally more accurate load. 2) The longer 38-55 brass, with thinner case walls than 375 Winchester brass, gives much more case capacity and this allows chamber pressures to drop immensely. i.e. our 38-55 loads give the same performance (a 250gr. bullet @ 2000 fps) as the original 375 Winchester loading, but at only 38,000 CUP ... Bullets are custom-designed and manufactured to precise specifications to deliver specific on-target performance characteristics. These characteristics vary depending on bullet design. Winchester carries a variety of component bullets for both centerfire rifle and handgun ammunition.
Buy Personal Defense HST Micro at Federal Premium. WARNING: Discharging firearms in poorly ventilated areas, cleaning firearms, or handling ammunition may result in exposure to lead and other substances known to the State of California to cause birth defects, reproductive harm, and other serious physical injury.