#Accurate 5 powder for 357 magnum pro
Alliant Power Pro 300-MP registered the fastest speeds across the board. Blue Dot, H-110, Lil’Gun, and Power Pro 300-MP provided the highest velocity with jacketed bullets from 125 to 158 grains. These velocity gains translate into twice the bullet energy and half as much drop out to 100 yards. The LBT 200-grain cast bullet gained 309 fps shot from the 20-inch barrel compared to the 4-inch barrel. The Uberti gained 622 fps with Hornady 158 FP-XTP bullets over Power Pro 300-MP. The same load of H-110 shot a Sierra 140-grain JHC bullet 695 fps faster from the Uberti than from a revolver. For example, the Uberti shot Sierra 125-grain JHC bullets 818 fps faster than a revolver with the same 22.0 grains of Power Pro 300-MP.
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The Uberti’s 20-inch barrel and closed breech fired various bullets somewhat over 800 fps faster than a revolver with a 4-inch barrel. For a high-energy load, it’s probably better to shoot 158-grain bullets with their 500 fps of additional velocity.
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38 Special cases, and the cartridges would be short enough to fit, but that would reduce the velocity of the heavy bullet.
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I single loaded cartridges by hand into the chamber, and they shot great and had an average muzzle velocity of 1,246 fps. 357 case with the mouth folded in the bullet’s crimping groove measured 1.641 inches in length, a bit longer to cycle through the Uberti’s action. I tried bullets cast from an LBT 358 200 FN mould, but that bullet seated in a.
#Accurate 5 powder for 357 magnum full
This bullet has a fairly long nose that merges smoothly to the bullet’s full diameter and feeds slickly through the Uberti pump. I resolved the problem by shooting bullets cast from an RCBS 38-158-CM mould. Had to be loaded one at a time into the rifle, becauseĬartridges with it were too long to cycle Sierra 140-grain JHC, Hornady 158-grain FP-XTP, (left to right): Sierra 125-grain Jacketed Hollow Cavity, These bullets all shot well in the Uberti. Shooting jacketed bullets through the Uberti isn’t a problem, because they don’t have an abrupt edge from the nose back toward full diameter but swaged lead semi-wadcutter bullets and bullets cast from moulds like the RCBS 38-150-SWC and Lyman 358156 refused to enter the chamber. The Uberti doesn’t have a feeding ramp at the entrance to its chamber, and bullets with a protruding shoulder catch on the bottom of the chamber mouth. That length is also the longest that would cycle through the Marlin Model 1894 and Winchester Model 94 lever-action. 357 Magnum cartridge over the established 1.590-inch length will not fit or cycle through the Uberti’s action. A rifle’s action demands a more exact cartridge length. 357 revolver’s cylinder offer quite a bit of leeway in what they accept in cartridge length and bullet profile. As it turned out, the best part was loading and shooting lead-alloy bullets in the fast-cycling Lightning. 357 Magnum Uberti Lightning Short Rifle pump action with a 20-inch barrel. I thought that higher velocity was everything I wanted when I started handloading a variety of powders and bullets for a. 357 shows a pronounced improvement in velocity and trajectory. Shot from the longer barrel of a rifle, though, the. 357 Magnum is a useful and fun cartridge when fired from a revolver. Mikayla Midtlyng is shooting the Uberti Lightning Author: John Haviland / Wolfe Publishing Co.