The muzzle energy of this load is 3,096 ft. The muzzle energy of this load is 3,096 ft. Like any .270 Magnum, the WSM version has too much powder capacity for the light 90-120 grain bullets. 1 von 3 Gehe zur Seite. so i would not expect any difference in the two for life of barrels. Capable of near Weatherby performance, the 270 WSM is a true short action magnum. from what i read the 270WSM and regular 270 are almost exactly the same just able to use the WSM in a shorter action. Winchester and Browning partnered to create a new shorter version of the popular WSM (Winchester Short magnum) case. When shooting at the range, don't run through the magazine in 40 seconds. Using an electronic bore cleaner can remove 99.9% of fouling but it takes a few hours, a work bench, and proprietary chemicals for this to be accomplished. Reasonable powders include AA-3100, H4350, IMR 4350, and RL-19. A. Absehen 4. 56.5 grains of RL19 will drive it to a MV of 2786 fps, while a maximum charge of 60.5 grains of RL19 will yield a MV of 2975 fps. 22 Jun 2005 #1. Hallo Lutz, für meine 270 WSM kaufte ich vor zwei Monaten 200 270 Geschosse. Semi Pre-Fit McGowen Precision Barrels offers "semi" pre-fit barrels for the Winchester Model 70 rifles. History. There are two models of the Winchester Model 70 rifle, and in reality 4 different models. In all honesty, with the exception of the .300 WSM (and even that seems to be on the wane) the WSM line seems destined for obscurity. You will pay 50% now, and be invoiced for the remainder when your barrel is ready to ship. Servus, interessiere mich für einen guten, auf die o.g. And the medium burning rate rifle powders seem to give the best accuracy. and the powerful .270 Weatherby Magnum. Unlike the other WSMs, the .270 does not simply duplicate the ballistics of an existing cartridge. Making life easy via technology is our motto.This encourages us to deliver awesome Softwares & Products.We love staying updated with latest technology, which helps us … LM: Ja. Winchester factory ballistics quote a muzzle velocity of 3275 fps for the.270 WSM shooting a 130 grain Ballistic Silvertip bullet in a 24 inch barrel. Dann liegt meine maßhaltige Geschoß im mindesten Kegel an. List Price: Our Price: $ 229.99 - $ 349.99. Great deals on 270 Barrel. Everyone is familiar with the Note: A full length article about the .270 WSM can be found on the Rifle Cartridges page. There is a significant price difference between the two brands. Rifle barrels are usually made from steel alloys called ordnance steel, nickel steel, chrome-molybdenum steel, or stainless steel, depending upon the requirements of the cartridge for which they are chambered. These velocities are on average, 150fps higher than maximum working loads for the .270 Winchester. .270 WSM vs. 300 WSM. This is my favorite load for my X-Bolt. roughly how many rounds would a barrel last and whether the weatherby magnum cartridge caused significantly more throat errosion than a 270 win or the 270 wsm, also any ways to extend barrel life or minimise erosion. Winchester factory ballistics quote a muzzle velocity of 3275 fps for the .270 WSM shooting a 130 grain Ballistic Silvertip bullet in a 24 inch barrel. Test barrel length: 24" Source(s): "Shooting Times" / Accurate Powder The 270 Winchester Short Magnum or 270 WSM is a short, unbelted, magnum cartridge created by necking down the .300 Winchester Short Magnum and fitting it with a .277 caliber bullet. IMR 4350 was the most accurate powder tested with this bullet weight. Take a shot and let the barrel cool 2-3 minutes between shots. Our favorite powders are 4350, 4831, and RL19. Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent. [br] My .300 WSM, shooting 230 Hybrids at ~2865 gives ~1500 rounds. Weiter 270 WSM Kegel vergrößert L 6. Maybe he will contribute his typical velocity and barrel life. lbs., and at 300 yards 1964 ft. lbs. - A standard.270 does just fine with a 22-inch barrel, while the WSM requires 24 inches. The fifth edition of the Nosler Reloading Guide shows that 59.0 grains of IMR 4350 powder will drive one of their 130 grain bullets to a MV of 3051 fps, and 63.0 grains of the same powder will give a 130 grain bullet a MV of 3294 fps. When comparing two loads with identical bullets (Hornady’s 145-grain Precision Hunter ELD-X), the .270 WSM is 130 fps faster than the .270 Win. Rifle barrels are usually made from steel alloys called ordnance steel, nickel steel, ... For example, some .270 Win. Medium to slow burning propellants are the usually selected for the .270 WSM. This is the most useful of the WSM line of cartridges. This cartridge will typically yield uniform pressures and velocities, while providing excellent accuracy with a variety of bullets. Mit der .270 WSM wird die .270 Winchester eigentlich aufs Altenteil geschoben, denn die neue Kurzpatrone kann alles besser. Take a shot and let the barrel cool 2-3 minutes between shots. What is meant by "semi" pre-fit barrels? Yes 2007. This reduces fouling and cools the barrel. Nächste Letzte. In der Praxis sind die Unterschiede zwischen den beiden Patronen tatsächlich zu vernachlässigen, allerdings ist die 270 WSM beileibe kein Papiertiger. Hülsen und Fabrikpatronen sind bereits von mehreren Herstellern erhältlich, und es ist zu erwarten, dass hier sehr schnell noch weitere Laborierungen folgen. Themenstarter Absehen 4; Beginndatum 22 Jun 2005; 1; 2; 3; Nächste. Fast & Free shipping on many items! Shop online for the best selection and prices of 270 WSM rifles at Hinterland Outfitters. The correct name for the cartridge, as listed by the Sporting Arms and Ammunition Manufacturers' Institute (), is 270 WSM, without a decimal point. Estimated Barrel Order Lead Time (IN WEEKS) Due to the production time on a custom barrel, McGowen requires a 50% Deposit on this product.