We used Winchester This controlled expansion bullet has good B.C, expanding well at any reasonable velocity to have a large frontal area that destroys plenty of tissue on broadside lung shots. Find what you need in four easy steps. If I were obliged to choose just one powder for the .338 it would be AR2209 or Re-19. This increases the usable powder space boosting the .338’s performance, and has it treading close to the .340 Weatherby. Both produced just over 4,000 ft-lbs of muzzle energy. With any belted magnum case, however, care should be taken when full length sizing that the die doesn’t set case shoulders back; size cases only enough to allow them to headspace on the shoulder just like a rimless case. Mag. Most of the bullets in .338 are better suited for the speeds of the 338 Winchester Magnum, 338-06, or 338 Federal and may fragment if pushed by the 338 Lapua Magnum and impact game at close range. Developing effective working loads while staying within pressure limitations, the highest velocities with 180, 200 and 210gn bullets are achieved using W-760 and Re-19 respectively. A Leupold 6.5-20 scope was installed in Of course, I'd use full- power loads for sambar. Mag… The most accurate loads in … Most work very well on thin-skinned medium-size game like deer, but lack enough penetration for large, heavy-boned game. Boosted out at 2850fps, and sighted in for a 225m zero, the SST lands 75mm high at 100m, is still 36mm high at 200, drops 176mm low at 300 and 584mm at 400. For one thing .338 bullets have better sectional densities than those of the same weight in .358" diameter. First unveiled in 1958, this powerhouse is what put the .338 bore size on the map big time. This data is now available to download for free from our website! Capital offers once-fired 338 Win Mag brass to reloaders in mixed-headstamp lots of 25 cartridges each. All groups are 3 shots at 100 yards. When ultra-slow powders became available, Weatherby resurrected the .338-378, but although this impressive performer delivers extra retained energy and a flatter trajectory than any 7mm or .30 magnum with bullets of similar S.Ds it more or less duplicates the ballistics of the .338 Lapua and .338 Remington Ultra Mag. This is your one stop guide of all things outdoors including sport shooting, hunting, swimming, camping, and adventure. While 250gn may be the optimum weight for shooting big, heavy game at ranges up to 250 meters or so, I prefer a stoutly structured 225gn bullet with a spritzer shape for all around use. Talon rifle, with a 26-inch barrel. I’m using 225-230 grain bullets. In fact, I’ve yet to experience a single instance of case failure and have never had to junk a single case. The .338 Winchester Magnum is a .338 in (8.6 mm) caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms.It is based on the blown-out, shortened .375 H&H Magnum. 348 Winchester load in the same weight rifle will come back with 24.3 foot-pounds at 13.2 fps. a 23” barrel. Be sure to keep reloaded cases trimmed down to the length of a new, unfired factory case. My existing load with the 250 accubond was 69.5 grains with a velocity of 2825. For this reason neck sizing only is not recommended for hunting reloads. But none are anywhere near the equal of the .338 Win. Most of my experience with the .338 Win. .338 Winchester Magnum (Using Hornady Bullets) reloading data with 171 loads. The 225gn bullet is the weight I mostly use in my own long-throated .338 Whitworth Express, which gets both Hornady and Barnes-X out at over 2900fps with a heavier charge of Re-19 than would be safe in a standard .338 throat. We’re just starting to shoot a new build in 338 Win Mag. But Winchester was probably influenced to a great extent by Elmer Keith’s writing about the effectiveness of his .333 OKH Belted wildcat. Federal loads an ‘180gn’ AccuBond at 3120fps; a 210gn Partition at 2830; a 225gn Barnes Triple Shock at 2800; a 225gn Trophy Bonded Bear Claw at 2730; and a 250gn Partition at 2660fps. loads: a 200-grain Power-Point at 3,000 fps and a 250-grain Silvertip at 2,700 fps. Although Re-19 trumped AR2209 with 225gn bullets, the order was reversed with the 250 grainers. Reloader 19 is great choice for the .338 win mag, but R17 has proved itself to me to be accurate and give very good velocities across the range of bullets I load. Pick a powder. L6: 3.340 inch = 84.84 mm Barrel Length : 25.0 inch = 635.0 mm Powder : Alliant Reloder-26 ? Contact Capital Cartridge for all of your 338 Winchester Magnum brass needs. Today Winchester offers four different loads for the .338 – three with 200gn bullets – a 200gn Power Max Bonded, a 200gn Ballistic Silvertip and a 200gn Power Point – all with a muzzle velocity of 2960fps; and a 225gn ABCT at 2800fps. Leupold bases and rings. Why Winchester chose a .338-inch caliber over .358 has puzzled many gun writers, many of whom have come up with some fanciful theories. Can you tell me if this rifle can be loaded down for use on smaller species of deer up to, say, red stag? Sighted 76mm high at 100m it is 44mm high at 200, drops 195mm at 300 and 635mm at 400. In recent years the .338 Win. Load Data: 338 Caliber Loading / Reloading Information By Nosler Inc. Load Data: 338 Caliber Loading / Reloading Information By Nosler Inc. Nosler - Bullets, Brass, Ammunition & Rifles ... 338 Win Mag 200 / 210 Grain; 338 Win Mag 225 Grain; 338 Win Mag 250 Grain; 338 Win Mag 300 Grain; 338-06 A-Square. The 180-grain 300 Win. Capital sources its brass from ranges across the country, so it has what you need even when local sources dry up. Take Aim at Rifle Reloading Data. Right click on the image of the load data and use save as. This method should also help to extend case life. a Kimber Model 89 rifle with a 24” barrel. This … Mag. The following data was developed by my friend F.R. The 1960 Winchester catalog lists two .338 Win. But none are anywhere near the equal of the .338 Win. Using bullets from Hornady GMX, Hornady SST or SP-RP, Hornady BTHP Match, SP-RP or RN. Reloading the strong case is straightforward. Cartridge Select a Cartridge. First loads were with IMR 4350. Mag. The Barnes 185gn MRX which starts out 300 fps faster, follows substantially the same trajectory path out to 300m, but drops 50mm less than the 210 grainer at 400 and delivers 93 ft/lb more energy. The .338 Winchester Magnum (top) compared to the .375 H&H (bottom). Winchester launched the cartridge with a choice of two bullet weights – a 200gn Power Point with a nominal muzzle velocity of 3000fps and a 250gn Silvertip at 2700fps. To equal the 250gn .338 bullets S.D of .313, a .358 bullet would have to weigh 281 grains. Capital has 338 Win Mag brass in stock, ready to ship. Bullets are my favorite in the .338, with 200gr. Looking for Reloading Data for the 338 Winchester Magnum and Berger Bullets? The following were developed in Cartridge : .338 Win Mag. It can be driven at up to 2780fps with a max’ charge of AR22113sc, but this may be too hot in some rifles, so I’d recommend using 2 grains less powder. This extreme B.C coupled with the high S.D of .313 gives it a retained energy of 2353 ft/lb at 400 meters. on large and dangerous game. I have had very good luck with IMR 4831 or H 4350 as well. 338 Winchester Magnum Suggested Bullet Use Suggested Bullet Use Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. I think the .338 is a great gun that can be used on everything from buffaloes on down. The Hornady 225gn SST holds together well at 300 meters or more, but at closer ranges it is likely to break apart on big animals if heavy bone is encountered. These velocities were obtained from a 600mm barrel and can be equaled by hand loaders without exceeding safe pressure limits. Just for comparison’s sake, the 338 Federal will send a 215 grn bullet out at 2500 fps, the 338-06 will do 2600, and the 338 Win Mag will do 2800fps while the … Two of the best current 200-grain loadings are Winchester’s Power Max Bonded and Federal’s economically priced Power-Shok. Then select your bullet weight, powder manufacturer and powder type. Received my 1st box of the 265’s the last week of October. Mag. The .340 Weatherby Magnum shades the standard .338, but my .338 Whitworth Express is close to it. However, the 210 gn TSX bullet which starts out only 100fps slower than the 185 grainer has better S.D and B.C – .263 and .404 – against .231 and .379 for the 185gn MRX. The 185gn MRX BT has greater S.D and B.C than most 200gn bullets and is more strongly constructed. brass and the Federal 215 primers in all the loads. Load Data. Mag. For whatever reason, muzzle velocities were later reduced to 2960, 2660 and 2430fps respectively albeit from a 600mm barrel. We deliver Australia wide. Case resizing is important to the hunter because in the field, ammunition should always chamber easily in the rifle it is used in. The kinetic striking energy of the 250gn AccuBond from the .338 Magnum is about 25 percent greater than the .30-06 and about the same as the .300 Win. Bullet selection in .338 covers everything from deer to dangerous game making it a versatile choice for the one-gun man, if such an individual really exists. In a standard-length throat it reduces from 78.6gn with a 180gn bullet to 76.8gn with 200-210gn, to 76.4gn with a 225gn, 73gn with a 250gn, and 70gn with a 300gn longster. Haven't played with it much. As to why they chose .338 instead of .358 is easy to answer. Mag. This trio of powerful cartridges doesn’t seem to have aroused much interest, probably because they kick like a team of mules! The following loads were Bullet : .338, 225, Nosler E-Tip 59372 Useable Case Capaci: 72.272 grain H2O = 4.693 cm³ Cartridge O.A.L. Second, apart from the Nosler AccuBond, I have never found a 200gn bullet that would hold together and not expand too rapidly on heavy game. But finding that huge case was far overbore capacity for existing powders at that time, Weatherby used the .300 case to form his .340 Weatherby by simply expanding the neck. Specific cartridge loads need specific propellant to perform to their ballistic peak. Mitchell, in 4 different rifles, details of each rifle are given ahead of each The .338-06 probably has more thump than the .30-06 and may be a capable deer rifle, but the improved .338-06 (8.5x63mm) does little more, than the .338 RCM (Ruger Compact Magnum). The following data was developed in a McMillan ATTENTION: New reloading data must be opened as a PDF document in an up-to-date compatible PDF viewer. 338 Winchester Magnum The following data was developed in a … Powders in the 4831 range are simply too slow and heavily compressed charges fail to produce desirable velocities with bullet weights up to … However, this is largely dreaming for the 200gn bullet has far less sectional density and ballistic coefficient than the 180gn .30 caliber bullet, which does not result in either a flatter trajectory or deeper penetration. Water capacity in a normal .338 rifle with standard length action and chamber, is an indicator of how much powder you can use behind bullets of different weights and lengths. Using this technique with the .338 I have never struck any problems with short case life although as with any high intensity cartridge, primer pockets tend to expand slightly after a number of warmish loads, but as a rule not enough to ruin cases. If you choose to use Reloder 19 be sure to use a standard large rifle primer instead of a magnum version. That placed the new Magnum directly between the .375 H&H and the .300 Weatherby. Reloading Information. has received a lot of competition from other .338 calibre cartridges. I’ve found after many years of reloading magnum cartridges, that with most bullets, and particularly the heavier weights, the best accuracy comes with loads as hot as the case will stand without causing pressure problems. This was load was worked up from a starting load of 65 grains and has not shown any pressure signs in 5 different rifles. load will recoil with about 30.2 foot-pounds of free recoil energy at a velocity of 14.7 fps. The sixth edition of the Hornady Handbook of Cartridge Reloading shows that 58.7 grains of H4350 powder can drive a 200 grain bullet to 2500 fps, and 73.9 grains of H4350 can drive the same … Be thoroughly familiar with those instructions before using these loads. Maximum chamber pressure was listed as being 53,000 psi. Velocities fall off dramatically when real slow burners are used, but with the heaviest bullets available in .338 – the 300gn AccuBond and Woodleigh’s 300gn RNSN or FMJ – AR2213sc and Supreme 780 work just fine. I’m looking for anyone that has experience with this cartridge to suggest good alternative powders. Measuring water capacity of more than half a dozen cases from major U.S makers, weight ranged from 73.8 to 78.6 grains. rifle. A loss of only 70 foot-seconds is not going to make enough difference in drop to be noticeable in the field. In rifles weighing 9-pounds, the 225-grain 338 Win. with 180gn bullet, but having 20 percent greater cross-sectional area and 70 grains greater bullet weight contributes materially to the superiority of the .338. My .338 Whitworth Express, built on a full-length Mark X magnum action has a long throat which allows bullets to be seated so that their bases don’t extend below the case necks. This may be true with small to medium capacity cases, but not magnum cases, and it doesn’t always prove true with all of the smaller cases either. If the load charges appear to be blacked out follow these steps: ... 338 Federal 338-06 338 Winchester Magnum 338 Lapua Magnum 340 Weatherby Magnum 338 Remington Ultra Magnum; 338-378 Weatherby Magnum.348″ Diameter. And of course, always run every reloaded round through the magazine and chamber of your rifle before you take it hunting. Remington Model 700 CDL SF Review and Test, Weihrauch HW 60 J Thumbhole Review and Tests, Weihrauch HW100 KT Laminate Adjustable Review and Test, Sabatti Rover Inox Stainless Sporter Review and Tests, Things to Lookout on your Ammunition's age, Killing power- choosing the right caliber and bullet for sporting shooter. Shot too many heavy loads through it I guess. A-Frame bullets. my .338 win mag will shoot under 3 inches for 5 shots at 500 yards.using the sierra accuracy load of imr 4350 67.4 grains with a sierra 250 sbt.i have other loads that shoot great at well.i dont have the col with me right now but the bullets are just oof of the lands.deburr the flash whole and uniform the primer pockets.do not turn the necks.if you have a ball mike check to … The .338 Win. .338 Handloading with AR 2209. Find your max charge weight for that particular powder and load all your cases at about 2% under your max charge weight. “As an Amazon Associate we earn from qualifying purchases with no extra cost from you.”. The 225gn Hornady SST with its S.D of .281 and B.C of .515 is a very efficient choice for long range deer shooting in the .338. This makes it necessary to vary loads a little when changing brass, but doesn’t affect me, as I use only Winchester brass. Not enough difference to worry about. .338 Winchester Magnum The .338 Winchester Magnum put the .338 bore on everybody’s radar screen. By repeating this operation until the case chambers freely, you will have a reload that will give no chambering problems in the field. Click "Get Data" to view results. Bullet diameter is a true .338 inch unlike some of the early .333 caliber cartridges. Reloder 19 is undoubtably one of the best powders for the .338 Win Mag. With 250 grain bullets, the Win Mag is pushing 2650, while the Lapua is just short of 3000 fps. It is generally assumed that if the powder charge is dropped a few grains below maximum, accuracy will be greatly improved. Q: I am interested in purchasing a .338 Win. But the 210gn’s major advantage is that it does not blow up at any range even from striking heavy bones at short range. Both give high velocity and the good accuracy. These two powders offer an optimum combination of bulk and burning rate while burning cleanly with magnum primers. load table. In the Winchester brass I am using, it was impossible to get in large enough charges of bulky slow-burning powders to equal the velocities gained with AR2209 and Re-19. It’s a good choice for synthetic-stocked and laminated, stainless steel bolt-action rifles like the Ruger M77 Hawkeye, Remington Model 700, Browning’s X-Bolt and A-Bolt and the Winchester Model 70 Extreme Weather. being what I think the perfect .338 bullet weight. reloaders: bullet diameter .338", primer size Large Rifle Magnum, maximum COL 3.34", maximum case length 2.50", MAP 54,000 cup. is an accurate cartridge, shown by this group fired with Swift 225-gr. The following were developed in Remaining energy at 400 is 2239 ft/lb. Copyright © 2014 The Outdoors Guide | About | Privacy Policy For flexible usage, we provide our reloading data in metric and imperial dimension systems, i.e. 338-06 A-Square 180 Grain; Many hunters feel the 200gn bullet is the best medicine for game at long range because of the 3000fps the .338 drives it at. *Most Accurate Load C Compressed Load 2 185-grain TSX BT Sectional Density .231 Ballistic Coefficient .352 C.O.A.L 3.310” 160-grain TTSX FB Sectional Density .200 Ballistic Coefficient .342 C.O.A.L 3.340” We sell a large range of reloading dies for most calibres. Other ammo makers load much the same bullet weights, but different designs. I have a Win M70 CRF Alaskan in .338WM. Celebrating its 60th birthday last year, the .338 Winchester Magnum is among the original family of short magnum cartridges; that meaning the cartridge would fit in a standard, long-action rifle as opposed to a magnum-length action required by the .300 H&H Magnum and its parent, the .375 H&H Magnum. Buy online or visit our shop only 20 mins from Toowoomba Queensland. Powder selection for the .338 is not so cut and dried as one might imagine. Heading to Colorado this fall and starting to develop a load for my 338 win mag, always ran the 225 gr accubond; they've pounded black bear and mule deer, but started looking into the 210 gr Barnes ttsx and the 230gr Hornady eld-x, the accubond had acceptable accuracy but wasn't "great" 1.25-1.5". a Winchester Pre-64 Model 70, with a 25” barrel, Back to Main Page If it is the least bit tight, turn down the die just a little and try again. Reducing loads and velocities in large capacity cases is not always successful with regard to accuracy. Rl17 is working very well in my 338 win mag with the new bullets. Yet its high weight retention will give extremely deep penetration for the heaviest game. About noon I hiked along the edge of a timbered draw toward another vantage point. Pick a bullet. Powders include Accurate, Winchester, Ramshot, Alliant, Norma, IMR, Hodgdon, Vihtavuori I’ve found that powders with medium slow burning rates such as AR2209, Re-19, and W-760 work well with bullets weighing from 180gn to 250gn giving the highest velocities and best accuracy. Mag. | Reloading Pages | FAQS | Hunting. Mag. Mag. New primed cases weighed 239.8 grains and held 76 grains of water filled to the base of the neck. The .338-06 probably has more thump than the .30-06 and may be a capable deer rifle, but the improved .338-06 (8.5x63mm) does little more, than the .338 RCM (Ruger Compact Magnum). Dakota Deluxe safari Grade with Select your cartridge type from the drop-down list. You can also click on the image and a pdf version will open in a new window. For the deer hunter, the 210gn Partition is another good choice, but Barnes X-Bullets are in a class of their own. Then in 1961, a third loading with a 300gn round-nose Power-Point bullet at a listed 2450fps was added. Refer to the current SPEER® Reloading Manual for handloading instructions. Current lighter weight bullets give better terminal performance, penetration, accuracy, and flatter trajectories. charge weight in grams and grains as well as muzzle velocity in meters and feet per second. Nosler’s 250gn AccuBond with its high B.C of .575 is one of the best .338 bullets made as far as long range shape is concerned. Mag.was gained with my first rifle, a Ruger Number One with 650mm barrel, which I used very successfully on deer and buffalo. barrel. developed in a custom rifle built on an FN action. Used to have an older style Win 70 in .338 (jeweled bolt style) which I ended up cracking the stock on. Predicted data by increasing and decreasing the given charge, incremented in steps of 1.0% of nominal charge. I'll even go to .130" off the lands if the bullet/powder will allow. The most suitable powders for reloading the .338 Winchester Magnum are the medium slow burners such as IMR4350 and ADI 2209 (H4350). That's why Alliant Powder® put countless hours of research and development into creating Reloder® 33. If a hunter feels that he is better off starting a 180gn bullet like the AccuBond at around 2700fps for a specific hunting condition, then in my opinion, it would be better loaded in a .338-06 case instead of the .338 Magnum. Here are some specifications of interest to .338 Win. The .340 Weatherby started out in life as an experimental cartridge made by necking down the 378 Weatherby to .338 with no other change. I have driven the 210gn TSX BT at 2900fps with a stiff charge of Re-19 from a 600mm barrel, and my tests have shown that it drops less at 400 meters than the 185gn that started out at 3200fps. 338 Winchester Mag (5 products) 338/378 Weatherby Magnum (1 product) 340 Weatherby Mag (2 products) 348 Winchester (2 products) 35 Remington (1 product) 35 Whelen (5 products) 35 Winchester (3 products) 350 Remington Mag (2 products) 350 Rigby Magnum (1 product) 351 Winchester Self-Loading (1 product) If you're unsure, or just want options, check as many boxes as you'd like. It had a 24” Donnelly Rifle reloading – handloading data for rifle calibers On the list below, you can find all the rifle reloading data we have currently available. The .338 Magnum is no exception to the rule. 180-200gr. Open up the load data page you wish to download. That’s splitting hairs for on-game performance, but makes a … My old pal Elmer Keith never considered anything lighter than 250gn in his .33 caliber rifles for game at any distance, but much-preferred heavy 275 and 300gn bullets. The advanced powder is specifically formulated for the long-range .338 Lapua, although it is also ideal for a range of large magnum rifle cartridges. The .338 in (8.6 mm) is the caliber at which medium-bore cartridges are considered to begin. Load/Test 5 shots each, at each seating depth of .010", .040", .070" and .100" off the lands. No amount of resizing, however, will cure a neck that’s too long for the chamber. In the 58 years since its introduction, the .338 Winchester Magnum has become a standard for North American big game. All my charges measured on a Hornady Lock N’ Load Auto Charge Powder Dispenser and dribbled into the cases through a funnel with a long drop tube gave near 100 percent load density without any heavy compression. After sizing with the die turned down in the press so that it clears the shell holder by about 7mm, try the resized case in the rifle it will be used in. The primary difference between the 338 Win mag and the Lapua is in performance. Differences in brass thickness and case capacity vary from one maker to the next, and even in different lots from the same maker. Sighted in 70mm high at 100 meters for a 225m zero, the 210gn TSX FB bullet drops 620mm out at 400, and packs 1822 ft/lb of energy.
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