Witryna28 lip 2024 · I have loaded up 300WM in 165gr with compressed IMR 4955 excellent results for accuracy and am about 50FPS under H1000 speed (3330fps) in my rifle. I also tried some loads in 7mm rem mag in 140, 150 and 162 gr. It seemed like 4955 was a bit more sensitive while working up to max on the 7 mag. Witryna1 paź 2024 · Excellent choice in caliber. IMR 4831 is evxcellent with 180gr in the 300 Win Mag. and will do very well with 165gr also. My favorite powder in my 300 Win Mag with 165/180 is IMR 4831. For 190/200gr or heavier suggest H4831 or Reloader 22. Last edited: Sep 29, 2024.
IMR reloading data - Balistix Bullets
Witryna.300 Winchester Magnum (Barnes Reloading Manual #4) Warning! Notes: case: Winchester; case trim length: 2.610"; twist rate: 1:10"; primer: Federal GM215M; barrel length: 24"; barrel Krieger; maximum loads should be used with caution; NOTE: The 130-grain TSX has a very short shank.We recommend lightly crimping the case mouth … Witryna12 lis 2024 · IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. This powder is comparable to Hodgdon H4350. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. It provides top performance in big … great neck is in the town of
IMR 4451 Powder Valley
WitrynaIMR Enduron 4451 is a versatile, match-grade propellant with a mid-range burn speed in the Enduron line. It is an extruded powder and is perfect for cartridges like 270 Winchester, 30-06 or 300 Winchester Short Magnum, among others. Witryna29 maj 2016 · I don't typically use Norma brass either by the way, I reform .338 Win Mag brass which results in a slightly shorter neck, but otherwise runs fine. In the lineup then from the left - #5 is a .30-338, #6 is a .308 Norma formed from .338 Win Mag and #7 is a factory .308 Norma. Oh, #8 from the left is a .300 Win Mag. Witryna29 mar 2024 · I have had good luck with IMR 4831 in the 2 300's I own. The Weatherby chambered in 300 win mag I use a 180 grain Hornady SST & the Custom 300 (Remington action, Douglas barrel) I use a 200 Grain Accubond. Tried a few different powders Mar 27, 2024 #6 R RevJim Active member Joined Mar 3, 2024 Messages 155 great neck lawyer stabbed