The Shaw rifles are built on Savage 10/110 bolt actions and come with the excellent Savage AccuTrigger. The data for the .338 Win. Don’t let the “.340” fool you. GMX, .338 RCM, 2950 fps: Nosler Custom 180 gr. A Mk. However, the velocity spreads are not startling; all three cartridges drive the various weight bullets fast. Copyright 2015 by Gary Zinn and/or chuckhawks.com. Turning to muzzle blast, I can give only qualitative speculations. The point is, I know what heavy recoil feels like and in my limited experience with the .338 Win. Here is a summary of the ballistics of the top performance, maximum reloads for the three cartridges, starting with muzzle velocity. Partition, .338 Win. MPBR 8.8% > .338-06, 425 ft.lbs. But if you are building a 338 rifle on a long action, the 338 WM is a better choice. I give this much attention to reloads for these cartridges, because of the severely limited availability of .338-06 and .338 RCM factory ammo. performance cartridges. Hornady loads neither .338 Win. In my view, this 33-bore cartridge makes a lot of sense. rifle. (When A-Square standardized the .338-06, Weatherby briefly offered .338-06 factory loads, but no longer does.). Re: 338 Federal or 338 RCM or 338 WSM If you are even thinking about a .338 federal then you should REALLY think about a .338-06. They show 8 loads for the 300 RCM, and 4 loads for the 338 RCM. cartridges as my baseline and matched those with .338 RCM and .338-06 factory cartridges with equivalent weight bullets. Across the four bullet weights, the maximum differences are nine yards in MPBR and 116 ft.lbs. Generally, the blast generated by .338-06 and .338 RCM rifles should be at least marginally less than that of the .338 Win. Unlike short magnums, it doesn't require a wide magazine box, so it's ideally suited to slim, welter-weight rifles. Versus the .338 Super Magnums (.330 Dakota, .340 Wby. Mag. at the muzzle. The .338 RCM reloads have 14 to 19 yards shorter MPBRs and about 150 to 300 ft.lbs. MV 5.1% > .338-06 (Note: there is no 250-grain factory load for the .338 RCM.). Build a .338-284 Win rifle. (See Compared: .338 RCM and .350 Remington Magnum.). Mag. The cartridge is a perfect storm in the bore size, for it shoots 180 to 250 grain bullets far and hard. energy 12.7% > .338 RCM, MPBR and retained energy, 250 grain Hornady Interlock SP bullets, 18 yards MPBR total spread; .338 Win. The.338-06 is milder and therefore easier to shoot. are for a 24 inch barrel, while the .338-06 and .338 RCM data are for 23-1/2 and 20 inch barrels, respectively. Economy rifles in .338 Win. The .338 Winchester Magnum has dominated the .338 caliber slot ever since its introduction in 1958. Many professional outfitters will not allow hunters to use rifles equipped with muzzle brakes, something to keep in mind if you are shopping for a powerful big game rifle. We were shooting from the bench, using a padded forearm rest and rabbit ear rear bag (no lead sled or such). This powder is not available to reloaders and the available powders do not yield velocities that match those generated by the non-canister factory load powder. Accordingly, the buyer has a wide choice of well-built and appointed bolt rifles in, roughly, the $800 - $1000 price range (2015 prices). From left to right: 7mm GPC, 30-06 Springfield, and 338 Winchester Magnum Image courtesy of … The reason I assert this is that the .338 WM uses more powder per equivalent load than do the other two cartridges. I knew going into this project that the .338 Winchester Magnum dominates the .338 cartridge niche and after doing the research I now have a much better understanding of why. Mag. Guns. The .338 Ruger Compact Magnum or .338 RCM is a rimless, short-length rifle cartridge based on the .375 Ruger case. nor .338 RCM cartridges with a 250-grain bullet, so I used the Nosler Custom 250 grain load for the .338 Win. Wait for the POF P-300 in 300 winmag. We were shooting 200 grain factory loads. Mag. Mag. Accubond, .338-06. Mag. MPBR 5.4% > .338 RCM, 180 ft.lbs. Take 338 Federal chamber and stuff a 338 RCM reamer into it! On the flip side, the .338 Federal produces just 23.9 foot-pounds of recoil, compared to a shoulder-smashing 36.1 for the Win. I have a 338 Win Mag that I consider a better case for launching 215 to 250 grain bullets. To my knowledge, no commercial rifle maker currently offers a .338-06 rifle, although Weatherby did when A-Square was still offering factory ammunition. By Ron Spomer. In addition to bolt actions, the Benelli R1 and Browning BAR autoloading rifles are offered in .338 Win. Mag. SST, .338 Win. (185 gr. The .338 Federal represents the first time in its long history that the Federal Cartridge Company has put its name on the headstamp of a cartridge. energy 13.4% > .338 RCM. and .338-378 Wby. : .338 Win. In nine pound rifles, these loads would generate 18.8, 19.6 and 20.5 ft.lbs. The goal was to create a shorter cartridge than the big .338 magnums that would fit in a more compact rifle with nearly the same performance. Mag. vs. .338 Federal vs. .45-70 Govt. When the A-Square Company closed in 2012, it effectively orphaned the cartridge. So, as easier to shoot is your criteria, seems to me that is your cartridge. After muzzle velocity, one can generate reams of data on external ballistics, but to me there are only two variables that are important. The .338 Federal, a necked-up .308, is just one year in circulation at this writing. MV 8.2% > .338-06, 240 fps total spread; .338 Win. Just one to think about. I still have the price quote for that Shaw Mk. Gets pretty close to .338 win mag performance, and will "bang, flop" anything in North America. VII rifle to your specifications. Mag., which is the most popular of all medium bore cartridges and a top 10 best selling cartridge. energy total spread; .338 WM energy 19.4% > .338-06, MPBR and retained energy, 225 grain bullets, 21 yard MPBR total spread; .338 Win. This bullet, at this velocity, would give a MPBR of 248 yards with retained energy of 1864 ft.lbs. Accordingly, the idea that .338 RCM reloads can be made to match factory ammo performance by shooting them in a longer barrel is currently irrelevant. Mag. The most significant thing about this data is how closely the downrange performance of the .338-06 approaches the .338 Win. (I do not know why these suppliers are so proud of this particular brass.) Anyone who wants a high performance .338-caliber rifle, but who does not hand load, should buy a .338 Winchester Magnum and be happy. The ballistic data for the.338-06 and.338 WM cartridges are for 24 inch barrels (typical of rifles in these calibers), while the.338 RCM data are for a 20 inch barrel. .340 Weatherby Magnum. .338-06 and .338 RCM When I searched .338 RCM on the web, there was a lot of poo pooing of the new cartridge. 338 Lapua case head diameter of. Mag. The .338 Federal fires a 210-grain bullet at 2600 fps, and 180- and 185-grain bullets at 150 to 200 fps faster. Mag. A Browning BAR ShortTrac autoloading rifle in .338 RCM, with a 23 inch barrel, would be quite interesting. Partition, .338-06, 299 yds, 2417 ft.lbs. What might seem odd is that the .338 RCM reloads are 100 fps or more slower than factory loads. has impressive reach; about 300 yards with the 185-grain Hornady GMX bullet and 260 yards with the 250-grain Nosler Partition. of wallop at that distance. 3. : .338-06 (180 gr. (Guns and Shooting Online has ordered a Shaw rifle in .338 Federal caliber for a review. VII rifle will run from $775 to $1250, depending on the options selected. Mag., as are some single shot rifles. However, part of the .338 RCM development package was a specially formulated powder, designed to wring the greatest possible performance out of the .338 RCM case and the 20 inch barreled Ruger M77 rifle for which the round was designed. Compared: .338 Winchester Magnum, .338-06 A-Square and .338 Ruger Compact Magnum. of recoil energy.). Mag. I am more interested in comparing the performance of the .338 Winchester Magnum with the only two SAMMI-standardized cartridges that nip at its heels, the .338-06 A-Square and the .338 Ruger Compact Magnum (RCM). Mag. There is really not much more that needs to be said. The e-mail I got from them noted that, "The average turnaround time on a Mk. loads. Several factors combine to determine the terminal performance of a bullet on a live target. There is a wealth of commercial ammo made for the .338 Win. for the .338 RCM 185 grain bullet load, to 38.4 ft.lbs. Mag., .338 RUM, .338 Lapua Mag. The ballistic data for the .338-06 and .338 WM cartridges are for 24 inch barrels (typical of rifles in these calibers), while the .338 RCM data are for a 20 inch barrel. 2980 fps: Hornady Superformance 185 gr. MV 4.4% > .338-06 MV, 230 fps total spread; .338 Win. Mag. This assumes that comparable loads among the three cartridges are shot through equal length barrels. Comparison. commercial ammo available from all of the major manufacturers, so reloading the cartridge is not imperative. It was created by Federal Cartridge and Sako in 2006 and intended as a big game cartridge with reasonable recoil for lightweight rifles. in the short action Model Seven rifle, would be an improvement. Hi Mark, and thanks for your inquiry. Mag. 2. rifles typically sport 24 or 26 inch barrels. Mag., but the availability of .338-06 and .338 RCM cartridges is severely limited. Given that the numbers say the .338-06 and .338 RCM generate recoil levels somewhat below those of the .338 Win. Mag. Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Using the .338 RCM as an example, the approximate cost of dies ($40) and 100 pieces of new brass ($110) adds up to about $150 in initial hardware cost for someone who already has a basic reloading outfit. Use as is or rebarrel to .338 RCM. ... 338 Norma. I considered the 338-06 briefly. Which one of these popular rounds will be named the best all-around black bear hunting cartridge. JavaScript is disabled. commanded my attention, but it was not overwhelming. On its merits, the .338-06 should have gained market viability after it was SAMMI standardized (circa 1996), but this has not happened. Mag. If I get wild and crazy and decide that I must own a .338 caliber rifle, it will be a .338-06. The Hornady reloading handbook shows this can be done with a powder charge of 46.2 grains of Viht N-135 in the .338-06, 49.3 grains of Varget in the .338 RCM and 52.5 grains of Viht N-150 in the .338 Win. Mag. Using bullets from Barnes TTSX, Nosler AB, Barnes TSX, Hornady SP, Swift Scirocco, Sierra SPBT, Hornady IB, Swift AF/SS. If you want a new .338-06 today, there are basically three ways to get one. Many articles have been written extolling the virtues of the cartridge, so it would be redundant for me to repeat it all here. energy 14.2% > .338-06, MPBR and retained energy, 250 grain bullets, 12 yard MPBR total spread; .338 Win. The recoil of the .338 Win. The M77 Guide Gun is currently available in seven calibers, including the short action .338 RCM. I found only one line of ammo for each of these: Hornady Superformance for the .338 RCM and Nosler Custom for the .338-06. The.338 Federal does not. I hate muzzle brakes and want nothing to do with a gun that has one. Mag. Three years later Ruger and Hornady brought out the.338 Ruger Compact Magnum, one of the short, fat, beltless rounds that were supposedly going to make belted magnums obsolete. It was designed by Sturm Ruger and Hornady and released in 2008 and chambered in various Ruger rifles. There is a wide range of .338 Win. They offer a wide range of barrel options and walnut, laminated hardwood or synthetic stocks. The only available brass for the .338 RCM is made by Hornady, so one must have new or previously fired Hornady brass in .338 RCM to reload. Winchester 760 in .338 RCM. Mag. ), Compared: .338 RCM and .350 Remington Magnum, Compared: North American Medium Bore Rifle Cartridges. Mag. Mag. The .338 Winchester Magnum set a performance level for the caliber at a point that most subsequently developed .338 cartridges have struggled to better. Does not hit as hard, but, it would feed reliably, and be the most cost effective option. has the highest muzzle velocity in each bullet weight, with the .338 RCM running second and the .338-06 the slowest velocities. These recoil levels are greater than those found with most smaller caliber rifles and loads, but I have dealt with worse. SST, .338 RCM, 2800 fps: Nosler Custom 200 gr. 2750 fps: Hornady Superformance 225 gr. 3050 fps: 71.4 gr. The hardest kicking gun which I have shot extensively is my Remington Model 870 12 gauge magnum turkey shotgun. The 338 RCM doesn't quite match the 338 Win Mag, but it is close. give muzzle velocities only 30 to 40 fps slower than the factory loads for 185, 200 and 225 grain bullets, while the 250 grain load is 100 fps faster than its factory load counterpart. Plus, the .338 Federal zips along at 2,064 feet per second at 300 yards, virtually tailgating the magnum cartridge, which clocks a cruising speed of 2,180. Mag. All data is from the Hornady Handbook of Cartridge Reloading, 9th Edition. Mag., while being somewhat milder to shoot. Mag. The 338 Federal is a simply the 308 Win necked up. 2650 fps: 58.5 gr. and .338-06 loads are very similar in downrange performance. The following ammunition cartridge ballistics information and chart can be used to approximately compare .338 Lapua Magnum vs .338 Winchester Magnum ammo rounds. The ringer here is the Ruger .338 RCM Guide Gun comes with a 20 inch barrel, while .338 Win.
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