The .300 Win. Controlled expansion allows for penetrating thick hide and bone before delivering massive knockdown power. .300 Winchester Magnum 180 Grain Nosler AccuBond~ The .300 Winchester Magnum (also known as .300 Win Mag or 300WM) (7.62×67mm) is a belted, bottlenecked magnum rifle cartridge that was introduced by Winchester Repeating Arms Company in 1963.The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action. Notes: Case: Nosler; primer: WLRM; barrel length/make: 24" H-S Precision; twist: 1-10"; bullets: 180 GR Nosler AccuBond Spitzer, Ballistic Tip Spitzer, CT Ballistic Silvertip Spitzer - OACL: 3.330", E-Tip Spitzer - OACL: 3.300" (Due to internal construction differences, always begin with starting loads when … Typically, for long-range competition or tactical purposes, factory-loaded .300Win Mag ammunition most often utilizes a 180- or 190-grain bullet, driven at 2850 to 2950 fps. Then select your bullet weight, powder manufacturer and powder type. While most of the .300 Magnums are ballistically similar, far more factory loads are available for the Winchester version and only the .300 Win. is available in such a wide variety of rifles. I tried some of the Doubletap loaded 180 gr Accubonds(3050fps) and they would not group at all in my gun. Select your cartridge type from the drop-down list. Mag. Find what you need in four easy steps. I want to start with the Accubond. This .300 Win Mag ammo is outfitted with a 180 grain Nosler AccuBond bullet. 3.705" = .030" Off the lands FED 215 M Primer Gunwerks Brass 3030 fps 28" Brux 1:9 twist My 300 Win Mag, deviant action , with MBM 4 port brake, Mcmilan game scout. Bare H-1000 77.7 grs / Same load can be used in older Blue bag Winchester brass. Again, the choice of bullet construction enables increased versatility. One gun only seemed to like AA4350 The other liked H4350 and Hybrid 100V Just a couple suggestions Loaded with 200 to 220 grain bullets, the .300 Winchester magnum can be put to use on large, heavy bodied game. Mag. Mag. is the most successful and popular of the Big .30's and the only one among the 10 best selling rifle cartridges. Winchester brought its .300 Win. Flat shooting with pinpoint accuracy, Winchester Expedition Big Game uses the tough, deep penetrating Accubond Long Range bullet for supreme performance on the biggest game. The .300 Winchester Magnum caliber is one of the most popular hunting cartridges available, and Black Hills has manufactured this version as a part of their Gold ammunition line. 300 Win Mag Berger Hybrid 215 gr. I'm just getting into reloading for my 300 Win Mag(Rem 700 bdl 26" fluted barrel) I've read allot here. 300 Winchester Magnum Load Data Case:Remington Barrel Length:24" Case Trim Length:2.610" Primer:Rem 9 1/2m Twist Rate:1:10" Bullet Weight Bullet Type Bullet SKU Bullet S.D Bullet G1 B.C Cartridge O.A.L 130gr TSX BT 30345 0.196 0.340 3.340 Instead Winchester pushed the … If anyone is using this or nows where to find some load data, would like to know what your using or where I can fan find some. Loaded with 180 grain bullets, the .300 Winchester magnum excels on large body weights, specifically on game weighing between 90 and 320kg (200-700lb). .300 Winchester Magnum (Using 175/180 GR Nosler Bullets) Warning! Click "Get Data" to view results. I'm thinking about trying 185 vlds in my 300 win mag, I thought about using Retumbo, but can't seem to find any load data. RL22, IMR7828, H4350, AA4350, IMR 4350, Hybrid 100V, and H4831SC. If you're unsure, or just want options, check as many boxes as you'd like. It seems some guns don't like the Accubond and I hope I don't have one of those. I've loaded 2 different 300 Win Mags, both Tikka T3s Both seemed to like Hornady SST 180 grain bullets I tried various powder in both. to market in 1963, but it didn't take the shape of a standardized version of the .30-.338. It is based on the .375 H&H Magnum…