The .300 WSM, an original Winchester design, fits handily into bolt-actions sized for a cartridge length of 2.860 inches. 125 - 155 Grain. plus bullets. The 185 gr Berger VLDs are indeed impressive out of the 300 WSM cartridge. Looking for loading data for a 300 wsm (Blaser R8 25 1/2" barrel) using Horndy 178 ELD X and preferably with H4350 or Vihtavuori N160/550. Whether it's 10mm or 50 BMG, you can find it for sale at Midsouth. This standard propellant for decades has been available in slightly different versions from Accurate, IMR and Hodgdon, and it is one of the best all-around powders for the .300 WSM. Available in 1 lb. Here are some .300 WSM statistics of interest to reloaders: bullet diameter .308", maximum COL 2.86", maximum case length 2.10". It provides high speed and excellent accuracy with 125- to 180-grain bullets in the .300 WSM. Suffice it to say, the .300 WSM was already one-up on my scorecard before we squeezed the first trigger. Winchester figures for the .300 WSM with a 24" test barrel claim a muzzle velocity of 3300 fps and ME of 3628 ft. lbs. I would think that sizing 270 WSM brass would be a bit less stressful than using 300 WSM brass. It has slightly less powder capacity than the standard length .300 Winchester Magnum. We have a great online selection at the lowest prices with Fast & Free shipping on many items! FTX® 308 Winchester 125 gr. Cartridge : 6.5 mm Rock (WSM) Bullet : .264, 130, Nosler AccuBond 56902 by John Haviland - *Recommended Powder C Compressed Load 4 165-grain TSX BT Sectional Density .248 Ballistic Coefficient .398 C.O.A.L 2.860” 155-grain Match Burner Sectional Density .233 Ballistic Coefficient .467 C.O.A.L 2.860” means that bullets weighing 180 and 200 grains will protrude into the usable propellant space. To make that length cartridge, the Nosler bullet compressed 66.5 grains of Accurate 4350, but only slightly, with no leaning on the loading press handle like a pry bar. But the .300 WSM case is spacious enough to hold more than 70 grains of propellant with the base of a bullet seated below the case neck. Those reduced-propellant charges soften recoil a third and two-thirds compared to the .300 WSM shooting 150-grain bullets at full-power. Ive got the Rock Chucker supreme kit on the way from Midway … The .300 WSM does not appear well adapted for heavier bullets. However, a premium 180-grain bullet at 3,000 fps is a most effective combination. HYBRID 100V has a burn speed between H4350 and H4831, yielding superb performance in such popular calibers as 270 Winchester, 243 Winchester Super Short Magnum, 7mm Remington Magnum, 300 Winchester Magnum and dozens more. As far as powders, the Nosler reloading manual lists a new powder, Hybrid 100V, as being the most accurate load they tested. For flexible usage, we provide our reloading data in metric and imperial dimension systems, i.e. bullets available for it, the .300 WSM is destined to become an even more popular magnum cartridge in the next decade. Did a site search here, but most load data is for the 200 Gr. Then select your bullet weight, powder manufacturer and powder type. In the Model 700, Accurate’s 4350 turned in an extreme spread of velocity of 32 fps over 10 shots with Nosler 180-grain AccuBonds. ALL 100 gr 110 gr 123 gr 125 gr 130 gr 135 gr 150 gr 155 gr 165 gr 167 gr 168 gr 170 gr 175 gr 180 … data **includes new A-Tip® Match load data; 338 Lapua Mag 270 gr. In developing the accompanying data, many of the best loads often resulted in low extreme spreads, often ranging from 5 to 20 fps for a 5-shot string. Put this bad boy in a 24" barrel on a bolt gun and you are in a new dimension, looking in the rear view mirror screaming, "If you ain't first, you're last!" Hours of Operation Monday–Saturday 9:00AM–5:00PM Sunday 11:00AM–4:00PM. The two flattest shooting rounds are a .300 WM and a .300 WSM round while the two steepest rounds are also a .300 WM and .300 WSM round. Just a starting point would be useful... Also interested in N . of 2.85 inches. For hunting, the .300 WSM can be loaded with bullets weighing from 130 grains to 200 grains. The fifth edition of the Nosler Reloading Guide shows that 56.5 grains of IMR 4064 behind their 150-155 grain bullets produced a MV of 3063 fps. The 200 yard figures are 2834 fps and 2676 ft. lbs. Cowboy Action Shooting: Something for Everybody, Preview: Rock River Arms FES Light Predator2L Rifle, IWI US Tavor TS12: Top-Selling Semi-Auto Shotgun of 2020, © 2021 National Rifle Association of America. Nosler figures show that 60.0 grains of H380 powder behind their 165-168 grain bullets gave a MV of 2940 fps, and a maximum charge of 64.0 grains of H380 gave a MV of 3087 fps. Wednesday, October 17, 2012. 300 Winchester Short Magnum Suggested ullet se Suggested Bullet Use Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads.
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