So will the old 6mm Remington (circa 1955.) Ballistics Charts & Data. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. 240 Weatherby Mag Cartridge Information. Along with these major factors, the general desire of the hunting market to explore new options, new (and classic) cartridges, lead to a steady revival of the 7mm Weatherby Magnum. The .257 Weatherby makes an ideal pronghorn cartridge. 3/8 to 1 inch at 65 yards was best they would do. Figured an 8 twist should be fine, @3300fps +- it should be stable. The Accubonds are tremendously effective and extremely accurate in my rifles. Aug 19, 2010 #1 B. briar rabbit Well-Known Member . Since 1955, the 378 has become one of the world’s most popular cartridges for the largest of big game animals. While not all Weatherby Magnums are the velocity champions in their caliber, the 6.5-300 Weatherby Magnum beats all challengers. If you’re the hunter who likes obscure cartridges, the .240 Wby. Reloading Information. Joined Feb 22, 2010 Messages 53 Location St Helens, Oregon. .270 Weatherby Magnum Bullet Weight: 110 gr Case Trim Length: 2.539" S.D. Right click on the image of the load data and use save as. BALLISTICS SPECIFICATIONS Suggested Usage Cartridge Bullet Product Code B/C Velocity in Feet Per Second Energy in Foot-Pounds Path of Bullet Weight Grains Bullet Type Muzzle 100 Yards 200 Yards 300 Yards 400 Yards 500 Yards Muzzle 100 Yards 200 Yards 300 Yards 400 Yards 500 Yards 100 Yards 200 Yards 300 Yards 400 Yards 500 Yards V .224 Wby. Weatherby also eventually leased rights to produce ammunition to Federal. The parent case is a .300 H&H Magnum by expanding it to maximum capacity. The ballistic performances for the 7mm Weatherby Magnum on a 26 inch test barrel based off five grain types are 3,430 ft/s (120 gr TTSX), 3,340 ft/s (139 gr Spire Point), 3,260 ft/s (154 gr Spire Point), 3,050 ft/s (160 gr Accubond), and 3,070 ft/s (175 gr A-Frame). 0.205 Bullet Style: TSX BT Primer: Fed GM215M B.C. It is based off the parent case of the belted .300 H&H Magnum by narrowing the neck to accept the .277 inch (7mm) bullet. RR hinted to start a thread on the Weatherby 240 Mag so im going to try. 55 SP H22455SP .235 3650 3192 … And we are just talking about the .243 against the .270. The 243Ai will do just about … Roy Weatherby liked to design cartridges with more zip than other commercial rounds. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bulle 0.323 COAL: 3.240" Barrel Length: 24" Case: Norma Twist Rate: 1:10" Charge Velocity Charge Velocity Load Powder (grains) (fps) (grains) (fps) Density (%) RL 19 70.5 3429 75.0 3647 96 XMR 3100 70.5 3394 75.0 3623 99 H4831SC 70.5 3320 76.5 3588 97 MagPro 76.0 … Weatherby’s Nosler loadings feature the 110 grain Accubond at 3460fps, the 115 grain Ballistic Tip at 3400fps and the 120 grain Partition at 3305fps. I have compared ballistics … Cartridge Type: Height: 2.913" Width: 0.58" Average FPS: 3011 Average Energy: 5696 Average Gr: 283 Recoil: 3.95 *Casing image above is an artist rendering and not a real photo of .378 Weatherby Magnum Ballistics cartridge. Open up the load data page you wish to download. Anyway I have shot 20 rounds through it and sighted it in accordng to weatherbys ammo ballistic chart. You … Does anyone have load data? … But with that much powder behind them, maybe something a bit heavier shoots? Load Data &Technical Information by Caliber. Today, the Weatherby is enjoyed by a wide range of hunters around the world. If you are interested in the most recent data for cartridges and/or bullet weights/styles not listed on this page, contact Barnes Consumer Service department to inquire about recommended loads and approximate timing for the data to be made available via email at customerservice@barnesbullets.com or by phone at 800.574.9200.. Ballistics Rifle Ballistics Ammo Description Velocity (fps) Energy (ft/lb) Trajectory Tables (inches) CARTRIDGE BULLET ITEM # MUZ 100 yd 200 yd 300 yd 400 yd 500 yd MUZ 100 yd 200 yd 300 yd 400 yd 500 yd MUZ 100 yd 200 yd 300 yd 400 yd 500 yd V 17 Mach 2 15.5 gr. The .240 Weatherby Magnum was developed in 1968 by Roy Weatherby.In the development of his own .240in/6 mm cartridge, Weatherby was significantly influenced by both the success and the limitations of the .244 H&H Magnum cartridge devised in England by his friend and colleague David Lloyd.It was the last cartridge to be designed by Roy Weatherby. Weatherby would use a reverse curve for the shoulder—as opposed to the traditional angled shoulder—which would become a hallmark of the Weatherby cartridges. Thread starter briar rabbit; Start date Aug 19, 2010; Help Support Long Range Hunting : Join the LRH Team or . First day on the range with this superb, fast handling, low recoil powerhouse! 240 Weatherby Magnum 75 240 Weatherby Magnum 85 240 Weatherby Magnum 90 240 Weatherby Magnum 100 25 caliber (257 dia) 250 Savage 87 250 Savage 100 250 Savage 120 257 Roberts +P 87 257 Roberts +P 100 257 Roberts +P 120 25-06 Remington 87 25-06 Remington 100 25-06 Remington 120 25 Winchester Super Short Magnum 87 25 Winchester Super Short Magnum 100 25 Winchester … Up until the creation of the .375 CheyTac (post 2002), the .378 Weatherby was the world’s most powerful .375 caliber cartridge. Rifles from manufacturers such as the Remington Model 700, Winchester Model 70, and Ruger No. The new cartridge was named the .378 Weatherby Magnum and was introduced to the public as a Weatherby proprietary cartridge in 1953. Its factory loads include the Barnes 127-grain LRX at a listed 3,531 fps, Swift 130-grain Scirocco II at 3,476 fps, and Swift 140-grain A-Frame at 3,395 fps. Real world review of how these bullets perform on deer sized game. It also likes 75gr V-maxes at right around 3800fps. CENTERFIRE CARTRIDGES.17 Remington.204 Ruger.218 Bee.22 Hornet.221 Rem. All three are loads are very useful, the BT is dynamite on lighter game weighing less than 60kg (130lb) out to moderate ranges. by 300 fps. H4831, IMR4064, RL15? It does. Ballistics Velocity. CENTERFIRE CARTRIDGES.17 Remington.204 Ruger.218 Bee.22 Hornet.221 Rem. We saw from the ballistic coefficients that we looked at earlier in the article that the .270 rounds tended to be more resistant to wind drag and drift compared to the .243. is a great choice for deer, pronghorn and similar-sized game. Load Data Downloads. Never-the-less, the table below gives a reasonably accurate comparison of the basic ballistics of a great many rifle cartridges. It was actually cheaper to buy loaded factory weatherby ammo 100grain sp then it was to buy brass only. 240 Weatherby Magnum: Weatherby 85gr TTSX (B24085TTSX) Weatherby 100gr Nosler Partition (N240100PT) Weatherby 100gr Spitzer (G240100SR) 257 Weatherby Magnum : Weatherby 100gr Barnes TTSX (B257100TTSX) Weatherby 80gr Barnes TTSX (B25780TTSX) Weatherby 110gr Nosler Accubond (N257110ACB) Weatherby 115gr Nosler Ballistic-Tip (N257115BST) Weatherby 100gr … 6mm Reloading Components. and 6mm Rem. Had my mind made up to buy the 257WBY but found a 240WBY Mark 5 factory custom that is calling my name. NTX® 83176 2050 1450 1070 —145 72 39 -1 5 0 -156 Weatherby list one varmint load featuring the 100 grain Hornady soft point at a throat melting velocity of 3760fps. Mag. 6mm Bullets.243 Winchester Brass. If I were to own the 7mm Weatherby, I'd settle on the 160 grain Accubond. Load Data. The .300 Weatherby Magnum was designed by Roy Weatherby in 1944. The .257 Weatherby … 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. 240 Weatherby Magnum Load Data; 250-3000 Savage Load Data; 257 Roberts Load Data; 257 Roberts Ackley Improved Load Data; 25 Winchester Super Short Magnum Load Data; 25-06 Remington Load Data; 257 Weatherby Magnum Load Data; 6.5 Grendel Load Data; 6.5 Creedmoor Load Data; 6.5 X 55 Swedish Mauser Load Data; 260 Remington Load Data ; 6.5mm-06 A-Square Load Data; 6.5-284 … Load Data &Technical Information by Cartridge. The 2.70 Weatherby Mag. However, due to lower ballistic coefficients of these bullets, velocity (and therefore energy) is shed more quickly. The 87 grain Hornady #2442 is not a good choice.I tried them in a numbers of 243's and most didn't like them.The 240 barely tolerated them and used IMR4350,H414,H4831sc,R19,R22, and a few others. If you want to go faster than that, grab the 240 Weatherby Magnum or 243 WSSM for another 100 fps. The velocity and energy figures in this table are taken from various sources including the Federal, Hornady, Norma, Remington, Sako, Weatherby and Winchester print and online ammunition guides, the Shooter's Bible , the "Remington Shoot!" Reloading Glossary. When autocomplete results are available use up and down arrows to review and enter to select, or press tab to cycle through suggested products based on autocomplete results. My other 243Ai is built for shooting deer and it wears a 26" barrel and has a 1-10 Hart barrel , bets accuracy comes from a 95gr Nosler Ballistic tip at a velocity of 3200+fps. 1 are able to use the .300 WM. The ballistic performance based off four grains for velocity is 3,528 ft/s (110 gr), 3,338 ft/s (130 gr), 3,242 ft/s (140 gr), and 3,161 ft/s (150 gr). What about powder? Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet we ATTENTION: New reloading data … He's decided to go with a 240 Weatherby, something he's always wanted...so here we go. 257 Weatherby vs 240 Weatherby. Both cartridges throw 100-grain to 108-grain bullets about 2,950-fps to 3,000 fps MV from 24” to 26” barrels. Guns and Shooting Online has compiled an extensive table comparing the recoil of many rifle cartridges and bullet weights in rifles of various weights If you look at the ballistics charts, there is very little discernable difference between the .270 and 7mm Magnums. Going to chunk a few rounds through my 240 weatherby today to zero it in . Even so, the velocities of the .243 are enough so that the lower BC’s would not hinder performance at ranges these rounds are used for. This will be a hunting rifle, so I was thinking about the 87gn VLD or 90gn ELD's. The case fits a .284 inch bullet on a .312 inch neck with a 1:12 rifle twist and a large rifle primer. Roy Weatherby’s 378 delivers 34 percent more energy at the muzzle than the powerful 375 H&H Magnum. Due to the habitat of the species and its wariness, shooting distances are generally longer than for other species in North America. Shop Nosler Products. The .270 Weatherby Magnum was designed in 1943 by Roy Weatherby. The following ammunition cartridge ballistics information and chart can be used to approximately compare .30-06 Springfield vs .300 Weatherby Magnum ammo rounds. It’s a belted magnum, but the belt is nothing more than a carryover from the H&H design—where it was used for headspacing those slope-shouldered cartridges—and has nothing to do with strength whatsoever. The .240 Weatherby Magnum is the fastest 6mm on the commercial market, exceeding the muzzle velocity of the .243 Win. 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