Our favorite powders for the .270 include 4350, 4831, and RL19. *Casing image above is an artist rendering and not a real photo of .270 Winchester Ballistics cartridge. Re: R e: .270 bullet length data wanted [ Re: kallen ] #3564434 12/12/09 So helpful was he in the promotion of this round that Winchester created a wonderful looking mantle gun called the Winchester Model 70 Jack O'Conner that only comes in one round..you guessed it... the 270 Win. --> Get your 270 Winchester Magnum Ammo from our friends at AmmunitionToGo.com <--: … afford a box of every type of bullet to measure them, I am asking for your Internationally, firearms manufacturers now offer this chambering in all firearm varieties: bolt-actions, single-shots, lever-actions (such as the Browning BLR), pump-actions (such as the Remington 7600), autoloaders (such as the Remington 7400), and even a few double rifles.. Because this is a public effort, I'll leave this page up for others to use. It hangs with the 30-30 and 30-06 until about the 250 yard mark as far as drop goes it then goes on to out-fly the 30-30, but the 30-06 beats it out. 270 Weatherby Magnum Brass.270 Winchester Brass.270 Winchester Short … data is obviously wrong. 22-250 Remington Ackley Improved Load Data, 223 Win Super Short Magnum (WSSM) Load Data, 243 Win Super Short Magnum (WSSM) Load Data, 25 Winchester Super Short Magnum Load Data, 270 Winchester Short Magnum (WSM) Load Data, 7mm Rem Short Action Ultra Magnum Load Data, 7mm Shooting Times Westerner (STW) Load Data, 30-06 Springfield Ackley Improved Load Data, 300 Rem Short Action Ultra Magnum Load Data, 300 Holland & Holland (H&H) Magnum Load Data, 300 Winchester Short Magnum (WSM) Load Data, 325 Winchester Short Magnum (WSM) Load Data, 358 Shooting Times Alaskan (STA) Load Data, 375 Holland & Holland (H&H) Magnum Load Data, 45-70 Gov’t (Strong Actions Only) Load Data, 45 Colt (Single Action Army & Replicas) Load Data, 45 Colt (Ruger & T/C Contender & Encore) Load Data. You can also click on the image and a pdf version will open in a new window. help to populate the length values. The .300 WSM closely mimics the long-popular .300 Winchester Magnum, while the 7mm WSM matches performance of the 7mm Remington Magnum in similar barrel lengths. 9.1–10.4 grams (140–160 gr) bullets: deer, elk, moose, and some larger animals. I am interested in a few bullets for my 270WSM but I want to know the bullet length to help determine the OAL for my rifle and to fit in a standard magazine box. The .270 WSM and the .300 WSM are the most successful and popular of the short magnum rifle cartridges and the most widely available in terms of both ammunition and rifles. The first number is the value of this cartridge, and the last number is the value of the most powerful round in our bullet database. .218 Bee, .243 Winchester Super Short Magnum (WSSM), 7.21mm (.284) Lazzeroni Firebird, .303 British, .308 Winchester (7.62mm NATO), .300 Dakota, 8x57mm Mauser JS, .300 Savage, .41 Remington Magnum, .45 Winchester Magnum, .44 Remington Magnum (Pistol Data), .380 Auto (9mm Browning Short), .223 Winchester Super Short Magnum (WSSM), .44 Remington Magnum (Rifle Data), .375 Dakota. NOTE: I am not claiming that the Miller stability and Litz drift formulas are of energy remains. Like any .270 Magnum, the WSM version has too much powder capacity for the light 90-120 grain bullets. Medium to slow burning propellants are the usually selected for the .270 WSM. *Casing image above is an artist rendering and not a real photo of .270 Winchester Ballistics cartridge. The 30-30 and the 30-06 are other popular rounds that while great for deer, are a bit underpowered for larger game like elk and mule deer. The US Military picked up the 30-06 years before as a primary round in 1905, and it was used in both World Wars, the Korean War, and Vietnam. (e.g. This length will typically give 3150fps with 130 grain bullets, 3050fps with 140 grain bullets and 2950fps with the 150 grain weights. Red Oak, White, or Chestnut for Deer Herd? While it is true that a .270 Winchester case can be formed from a .30-06 Springfield case, the case length of a .30-06 is 63.3 millimetres (2.494 in) while the case length of a .270 is 64.5 millimetres (2.540 in), the same as a .30-03 Springfield. ShootForum.com offers a vast Bullet Database, which includes over 3900 bullet designs in all. The 270 Winchester is clearly one of the shooting sport’s premier big game cartridges. Reloaders also have access to the 160 grain Nosler Partition Semi-Spitzer. So it is possible that the .270 Win with it's power and range could be considered the better bullet. I am also contacting manufacturers Here are some specifications of interest to .270 WSM reloaders: bullet diameter .277", maximum COL 2.86", maximum case length 2.10". So my question is do I have to trim them to 2.530 or are they fine at 2.535? Here are some specifications of interest to .270 WSM reloaders: bullet diameter .277", maximum COL 2.86", maximum case length 2.10". The bullet info comes from the makers of QuickLOAD Software. applicable to all of these bullets -- they are probably not. All content and logos © 2010-2013, JBM Ballistics, LLC, 300 Tipped Triple-Shock™ X Flat Base - AAC BLK, 300 Tipped Triple-Shock™ X Flat Base - 458 SOCOM, Long Rifle Hyper Velocity HP Copper Plated, American Eagle® Long Rifle Hollow Point Copper-Plated, American Eagle® Full Metal Jacket Boattail, Combined Technologies™ Hunting Round Nose, Zapper Long Rifle Hollow High velocity HP CC, Scoremaster Long Rifle Standard Velocity Solid, WMR Predator Magnum Jacketed Hollow Point, Spitzer - Single Shot Pistol (Pro-Hunter), Full Metal Jacket Match (Tournament Master), Full Profile Jacket (FPJ) Match (Tournament Master), Full Profile Jacket (FPJ) Makarov (Tournament Master), Full Profile Jacket (FPJ) (Tournament Master), Full Profile Jacket (FPJ) (Sports Master). Power would be the quick answer. © Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. , The 270 WSM comes quite close in performance to that of the legendary .270 Weatherby Magnum. The .270 Winchester was designed somewhere in the 1920's and was released by Winchester. Velocities tend to be about 250 ft/s (76 m/s) faster, in a cartridge that is shorter and can therefore be used in The PowerRank is an estimation of the cartridge power. Ballistic Tip Hunting Bullet. The spent cases I have are no longer than 2.535. Reasonable powders include AA-3100, H4350, IMR 4350, and RL-19. you don't have to enter the bullet length to calculate the drift. While not an immediate success, over the succeeding decades and especially in the post-World War II period, the .270 Winchester attained great popularity among gun owners, metallic silhouette rifle shooters and hunters, ranking it among the most popular and widely used cartridges worldwide. 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. All rights reserved. History tells us that cartridges used by the military are later used by it's civilians. It is a member of the Winchester Short Magnum family of cartridges. The 270 WSM is an improvement over the older 270 Winchester providing higher velocity with bullets of the same weight, and thus a flatter trajectory and more energy. Handloaders have a larger range of options with the availability of bullets in a number of weights from 5.8 to 11.7 grams (90 to 180 gr). Cartridge Type: Rifle Height: 2.54" Width: 0.473" Average FPS: 3536 Average Energy: 3775 Average Gr: 136 Recoil: 1.82 Power Rank: 4.81 of 20 The .270 Winchester was designed somewhere in the 1920's and was released by Winchester. Access to the online database is FREE.  It is a member of the Winchester Short Magnum family of cartridges. Right click on the image of the load data and use save as. .270 Winchester-Hornady SP InterLock, .270 Winchester-Winchester XP3, .270 Winchester Short Magnum-CorBon DPX, .270 Winchester-Remington Swift A-Frame PSP, .270 Winchester Short Magnum-Winchester XP3, .270 Winchester-Remington Bronze Point, .270 Winchester Short Magnum-Nosler AccuBond, .270 Winchester-Hornady LM InterLock, .270 Winchester-Norma Soft Point, .270 Winchester-RWS Cone Point, .270 Winchester Short Magnum-Federal Nosler Partition, .270 Winchester-Hornady BTSP InterLock, .270 Winchester-Sellier & Bellot PTS, .270 Winchester Short Magnum-Winchester Ballistic Silvertip, .270 Winchester-Winchester Power Point. So the end result is a round that flies almost as well as the 30-06, better than the 30-30, and has much more of a punch. When it was introduced, the 300 WSM sported a new case that showed a lot of promise for uses in other calibers. That's a good round no matter how you look at it. The cartridge is the same length as the .280 Remington, both of which are longer than the .30-06 Springfield.The .270, .280, and .30-06 were all derived from the .30-03 parent case. This new .270 cartridge was the third commercial .270 ever produced, and the first one in 60 years..  Renowned gunsmith Harold Fredd considers the 270 to be one of the most versatile cartridges for North American hunting and has recently started promoting it for small to medium sized plains games. See the review of the Winchester Model 70 Jack O'Conner and see the photos. So why is the .270 Win not the most popular round? Planning on reloading some .270 win and looking through my Hornady reloading manual it shows a case trim length on 2.530 and a max case of 2.540. 270 Winchester Load Data; 270 Winchester Short Magnum (WSM) Load Data; 270 Weatherby Magnum Load Data; 7mm Mauser (7×57) Load Data; 7mm-08 Remington Load Data; ... 270 Caliber Bullets. While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings.
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