Mag. Mags.) For the 300 win the only new case I had was a Lapua head stamp. The .270 WSM shoots as flat as the 6.5mm Magnum and hits a little harder. Mag. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. Simple Problems May Be Corrected in the Government Provided the Solution is Complex; Simple Solutions to Complex Problems Are Not Tolerated The body of the case is bigger around than the rim. The following ammunition cartridge ballistics information and chart can be used to approximately compare .338 Lapua Magnum vs .338 Winchester Magnum ammo rounds. The 150 grain factory load has a claimed MV of 3300 fps and ME of 3628 ft. lbs. Given the initial lack of consumer acceptance, the development of short magnums languished after 1966. Anyway, as for your question, I know the 338 recoils more than the 300 Win Mag which I had and my 325WSM recoils about the same as my 300 Win Mag did. In a moment of shameful practicality, I looked at the .325 in the corner gathering dust and betrayed our sacred trust. in an 8 pound rifle, but less than the other short magnum cartridges. I use the 270 grain Fail-Safe bullets @ 2700fps out of the 20 inch barrel. However, their fat bodies have a head diameter immediately above the extractor groove of about .55 inch. 35 Whelen. As a cartridge for a "guide rifle" it is hard to beat. anyway, i'm in complete agreement with cb. Mag. The following ammunition cartridge ballistics information and chart can be used to approximately compare .338 Lapua Magnum vs .338 Winchester Magnum ammo rounds. Wikiarms.com Live Prices. 9 Answers. The 325 is a sensible, efficient cartridge. 340 Wby Mag. 358 Win. The 6.5mm Remington Magnum followed it the next year. Want to see your products here? Those who are interested can read the individual articles about the various short magnums on the Rifle Cartridge Page. It actually has a .315" bore diameter and should have been named the .315 WSM. Re: 338 Win Mag or 375 Ruger? Anyone shooting a .350 Magnum rifle today should be reloading. It doesn't seem to kick any harder than my .338 Win. , a 300 Win Mag, a 7mm Rem Mag & a 30-06 or 270 will all do the job with the right bullets but only if you do yours. 338-378 Wby Mag. A 338 Win would be fine also. The most important difference between this cartridge and the .300 WSM is the relative scarcity of 8mm bullets for reloading. Magnum are unique cartridges and each offers something special to the shooter. The Short Magnum Cartridges Looking at the recoil of the .300 Win Mag vs .300 WSM is important for understanding certain situations that you might favor one over the other. Click this link. But then again, I do like 8mms. The .350 Rem. Looking at the recoil of the .300 Win Mag vs .300 WSM is important for understanding certain situations that you might favor one over the other. It’s still something to think about even if you do have a lot of experience. "The .325 wsm fires the same .323 diameter bullets that the 8mm Mauser and 8mm Remington Mag do. Another drawback is its vicious recoil in the light Browning and Winchester rifles supplied in .325 WSM, recoil comparable to the .338 RCM and in excess of the .350 Rem. Just like with the 270 WSM vs 270 Winchester, 7mm WSM vs 7mm Rem Mag, and 300 WSM vs 300 Win Mag, the .338 Win Mag is significantly longer than the 325 WSM. The discontinued Remington factory load drove a 250 grain bullet at a MV of 2419 fps with ME of 3220 ft. lbs. Again the 338 Win Mag is more popular than the 325 WSM. The .338 has been a mainstay for large game hunters for decades. Unfortunately, the long 250 grain bullets that made the .338 Win. is a useful cartridge that remains my favorite short magnum. 35 Caliber.358” Diameter. Charlie Martinez, Mar 7, 2019 #13. No doubt the .325 WSM was the bastard child of the WSM line. I sold her to a guy in town. I think I will add one to the safe someday. In the same class as the .300 short magnums is the .325 WSM. and what is better a bigger caliber or a smaller caliber with more grain and velocity. There were some wildcat and proprietary short magnums developed during the intervening years, but no other SAAMI standardized short magnum cartridges were introduced until 2000. The WSSM cartridges have caused major problems for rifle designers attempting to work with these very short, very fat cases, because they are an inherently poor design for use in the box magazines of almost all modern repeating rifles. The primary difference between the 338 Win mag and the Lapua is in performance. 1 decade ago. The Speer Reloading Manual No. lbs.). Powered by Wikiarms.com. Bullet weights of 200-, 250- and 300-grains were initially offered for the .338 Win. SAUM). There has been speculation about what other calibers might be offered in one or the other of the short magnum formats. The .325 Winchester Short Magnum, commonly known as the 325 WSM is an 8mm caliber rebated rim bottlenecked centerfire short magnum medium bore cartridge.The cartridge was introduced by Winchester Ammunition in 2005. Paramount are the uniformity and concentricity of the bullet, the quality and precision of the rifle barrel, the care taken in bedding the barrel and inletting the stock, and the care with which the loads are assembled and matched to the rifle. A 338 Win Mag. Favorite Answer. 325 WSM vs 358. So a .338 Lapua Magnum round exits the barrel with kinetic energy equal to the energy required for linear vertical displacement of 4830 pounds through a one foot distance, while a .338 Winchester Magnum round exiting the barrel has energy equal to the amount required to displace 3920 pounds over the same one foot distance. Foundry Outdoors is your trusted home for buying archery, camping, fishing, hunting, shooting sports, and outdoor gear online. Please click the above links to take a look at all of the .338 Lapua Magnum and .338 Winchester Magnum ammo we have in stock and ready to ship, and let us know any parting thoughts in the comment section below. The Remington Custom Shop also chambers rifles for the .350 Magnum, which seems to have caught its second wind in the 21st Century. 13 shows top velocities of 2942 fps with their 180 grain bullet, 2676 fps with their 220 grain bullet and 2484 fps with their 250 grain bullet, all taken in the 22 inch barrel of a Ruger M-77 rifle. Mag. The Hornady Reloading Handbook lists loads up to 3000 fps with 140 grain bullets, and 2800 fps with their 160 grain bullet. One other stipulation is if you prefer to hunt with an AR-frame weapon. Introduced at the 2005 Shot Show in Las Vegas, NV, it is the largest member of the Winchester … The 6.5mm Rem. Re: 338 Win or 325 WSM for new gun I think there will be a general consensus toward a caliber that has been around for a long time just because the .338 is so popular. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet we It is an 8mm small bore cartridge, not a medium bore, and should not be regarded as such. This miracle of design is called a rebated rim and it allows increased powder capacity compared to the earlier .350 Magnum case, at the price of decreased feed reliability and one cartridge less magazine capacity. The .338 RCM is offered factory loaded with 200 and 225 grain bullets, which is fine as far as it goes. The 325 is a sensible, efficient cartridge. The first true commercial short magnum was the .350 Remington Magnum, introduced in 1965 by Remington. The ballistics chart below compares the trajectory of Hornady Precision Hunter and Winchester Expedition Big Game and factory loads for each cartridge. The .300 WSM, .300 Rem. We have a variety of deals on Rifle Ammo, Handgun Ammo, Shotgun Ammo & Rimfire Ammo, as well as ammo for target practice, plinking, hunting, or shooting competitions. The performance of the .300 RCM is comparable to that of the other .300 short magnums, while the .338 RCM--a true medium bore cartridge--is comparable to the .350 Rem. These figures are well beyond what the short action .358 Winchester can achieve. Magazine capacity may be reduced by one cartridge because the WSM and SAUM cases are so fat--another reason standard magnum cartridges are preferred for use on dangerous game. Magnum's reputation as a slayer of giant animals takes up too much powder space in the short RCM case to be practical. The .300 SAUM is already obsolescent, as even Remington has quit chambering rifles for it. Shoot what you're the best shot with, aim & hit the right spot & you'll be fine. This cartridge came about as the result of a failed attempt to create a .338 WSM. .300 Winchester Magnum vs. Hornady .300 PRC Although I love it, in pure technical terms I’m forced to admit the .300 Win. Many hunters assumed that the natural succession of the series was to be the introduction of a .338 WSM; however, through extensive testing, Winchester found that loading the WSM case with a .323-inch (8mm) diameter bullet more closely approximated the performance of the stalwart .338 Win. On the other hand, the .300 Winchester Magnum has a slightly longer case length (2.62″ vs 2.5″) as well as a shoulder that sits .156″ further forward than the shoulder of the 7mm Rem Mag. The .338 RCM, nor the .325 WSM are really suited for long range shooting. Note that these RCM cartridges are not rebated rim designs. is a true medium bore cartridge. The newer .270 Winchester Short Magnum cartridge has factory loads using a 130 grain bullet at a MV of 3275 fps and ME of 3096 ft. As illustrated in the chart, .338 Lapua Magnum rounds - on average - achieve a velocity of about 2930 feet per second (fps) while .338 Winchester Magnum rounds travel at a velocity of 2820 fps. it was supposed to resemble ballistics-wise. True .338 Lapua Magnum and .338 Winchester Magnum ballistics information can vary widely from the displayed information, and it is important to understand that the particular characteristics of a given round can make a substantive difference in its true performance. I once watched a guy with a 7mm Mag reload his magazine twice to kill one elk. We offer cheap ammo and bulk ammo deals on the most popular ammo calibers. Generally speaking, the higher the muzzle energy, the higher the stopping power. The .30-06 and 8X57 are roughly in the same category as far as power and game usage, where as the .325 WSM would be closer to the .338 Win Mag in terms of power and performance. They are not just duplicates of earlier cartridges. Which would you rather have, a 338 win mag (or the 338 RCM if your want compact for better comparison), or the 325 WSM. in an 8 pound rifle, depending on bullet weight. The 6.5mm Rem. With 300 grain bullets, the win mag throws them at ~2300 fps, whil… are unique because of their short, belted cases (and easy to tell apart because one has a skinny bullet and one a fat bullet), the new WSM and SAUM short magnums all look very similar to each other. That leaves the .338 RCM a definite step ahead of the .325 WSM, but clearly inferior to the .338 Win. Reply. Re: new elk rifle .325 wsm or .338 win Keta for a little bit more "fun" re-cut it to the Gibbs chamber or get some un-necked brass from Zhat & really maximize the '06 chamber. All velocities were measured in a 24 inch rifle barrel. While there is a big overlap in bullet weights the 325 WSM and .338 Win Mag can use (both cartridges are commonly loaded with bullets in the 180 grain to 250 grain range), the .338 Win Mag generally leans a little heavier than the 325 WSM. 338 Win Mag vs 300 Win Mag vs 338 Lapua Ballistics. A 375 is a bit big for your primary deer and elk uses. (An unnecessary reduction in firepower is clearly undesirable when hunting dangerous game.) In fact, one of the justifications for the extremely sloping 8.5 degree shoulders of the original .375 and .300 H&H Magnum cartridges was feed reliability because of their anticipated use on dangerous game. Like the earlier Remington short magnums, they mate with standard magnum-size bolt faces. and superior to the .325 WSM. The .325 Winchester Short Magnum, commonly known as the 325 WSM is an 8mm caliber rebated rim bottlenecked centerfire short magnum medium bore cartridge.The cartridge was introduced by Winchester Ammunition in 2005. 338 Win Mag. These should have been named WSSC (Winchester Super Short Cartridge), for the WSSM cartridges are not magnum cartridges in any sense of the word and thus do not really merit inclusion in this article. These are short action calibers, designed to work through .308 Winchester length actions. has about a 100 fps advantage with these heavier bullets. I know the 338 has alot more bullets to pick from for reloading, but I've heard the 325 is a slightly better cartridge, having the trajectory of a 300 WM and the hitting power of the 338. Both cases were new unfired. Mag. The 30-degree shoulder angle of the parent case was retained, and the neck is very short. however, it must be said, if i went hunting with cb and we were after game he felt required a .338 win mag, i'd feel just as comfortable hunting that same game (and expect similar, if not the same, results) using a .325 wsm. which caliber is best for grizzly 300 rem ultra mag or 338 win mag or 325 wsm? More important, the short magnum cartridges work through short rifle actions, which saves about 1/2 inch of bolt throw as well as overall rifle length, and a few ounces of weight. Unfortunately, the long 250 grain bullets that made the .338 Win. It is probably a better choice than the 6.5 Magnum for large CXP3 class game like elk. Mag., 6.5 Rem. I can see some appeal to the idea of a .250 Short Magnum based on the .300 RCM case. The RCM's were introduced in 2008. That’s splitting hairs for on-game performance, but makes a pretty big difference for long range shooting. That is to say, .338 Lapua Magnum bullets travel 3.3 times the speed of a 737 airplane at cruising speed, while .338 Winchester Magnum bullets travel 3.2 times that same speed. Winchester took their .458 Winchester Magnum case—itself a shortened and blown out .375 H&H case—and necked it to hold the .338″ diameter bullets the company used for its rimmed .33 Winchester. 338. in an 8 pound rifle) in the light weight hunting rifles that are the natural home of short magnum cartridges. The name of the cartridge is a misnomer as the bullet diameter is .323 in (8.2 mm). THIS BEAR WAS 21 YEARS OLD, (AGED AT MATSON'S LAB )HAD LOTS OF BATTLE SCARS . are the best designed and most reliable of the short magnum cartridges. 325 Winchester Short Magnum (WSM) Load Data; 8mm Remington Magnum Load Data; 338 Federal Load Data; 338-06 A-Square Load Data; 338 Winchester Magnum Load Data; ... 338 Fed. These are the most useful of the short magnum cartridges, although not the most popular. SAUM boast similar ballistics, although neither has become popular. (3133 ft. Recoil energy with either of the .300 short magnums runs about 23-26 ft. lbs. The theory is that this shorter but wider powder column is more quickly and evenly ignited by the explosion of the primer, yielding more consistent pressure and somewhat improved accuracy compared to a standard length cartridge of the same capacity. Everyone was expecting a .338 WSM and instead got an 8mm WSM with a funny name given that nothing about the cartridge was .325 in size - bullet diameter is .323, same as the JS M98 and the 8mm Remington Mag. With the 300 RUM and 325 WSM, it is best to handload, IMO. Mag. The WSM magnum case has a 35-degree shoulder, a length of 2.1 inches, and a very short neck. Mag., making for a highly useful cartridge. Meanwhile, Remington had made the first .300 Short Action Ultra Mag cases in 1999 and was already well along in the process of developing their Short Action Ultra Mag cartridges. Re: 338 Win or 325 WSM for new gun I think there will be a general consensus toward a caliber that has been around for a long time just because the .338 is so popular. The .325 WSM is an 8mm rifle same as the 8X57 and 8mm Remington mag I just don't think Winchester wanted to label it a 8mm WSM as metric caliber tend to fail in the US. 338-06 A-Square. Product Store Price PPR; No deals found for this data entry. All of the WSM and SAUM cartridges use a .532-.534 inch rebated rim of standard (.375 H&H) Magnum diameter. Interesting cartridges, these short magnums. Violate this principle by, for example, chambering a lightweight, short action rifle for a powerful Magnum cartridge like the .300 WSM and the result will be a dramatic increase in kick. The .338 has been a mainstay for large game hunters for decades. The standard length 7mm Rem. Relevance. All figures taken in 24 inch test barrels. Recoil is right up there, at about 25 ft. lbs. We offer a 100% Authenticity Guarantee on all products sold on our website. Only thing that I'd say is bad about the round is that is can be hard to find ammo at times, so buy … SAUM, 7mm Rem. I don't reload and a svelte little 30-06 stole my heart and eased my wallet with factory ammo @ $35 instead of the $70 Accubonds I was feeding the .325. They have not achieved any lasting commercial success and WSSM rifles have already been discontinued. It pretty well fills the bill for a short action elk caliber with all-around capabilities and it was on the ground first, although the .300 RCM is technically superior. The following are Winchester 7mm WSM figures, with Remington 7mm SAUM figures in parenthesis. It is probably a bigger factor in selecting between one over the other for younger or inexperienced shooters. That's when Winchester kicked over the traces and brought out their .300 WSM cartridge, based on a new bottleneck case with a head diameter of .555 inch and no belt. The .338 RCM is offered factory loaded with 200 and 225 grain bullets, which is fine as far as it goes. For 2017 they are available ONLY in the Ruger Guide Gun. Mag. IMR 4350 seems to be an efficient powder for this cartridge. Answer Save. Mag. It is an 8mm cartridge and its performance is nearly identical to that of the .300 WSM. This length was chosen to allow it to work in the Model 7 short action rifle. i want to do grizzly hunt grizzly bear mouse and caribou . However, Winchester likely made an attempt at doing just that, but since the case is optimized for the 300 WSM, they probably were not getting the desired performance with a .338″ bullet and opted for a .323″ compromise instead. Please email us if you have questions about any of our product listings. Mag., .270 WSM, .300 WSM, 7mm WSM, .300 Rem. Alternatively, you can run 300 grain bullets in the Lapua for amazing BC’s and better 1000+ yard performance. .350 Rem. The 180 grain factory load claims a MV of 2970 fps and ME of 3526 ft. lbs. With the 300 RUM and 325 WSM, it is best to handload, IMO. It is worth noting that the 6.5mm Mag. Lv 7. Their performance is easily exceeded by standard cartridges, such as the .25-06. The following are Winchester .300 WSM figures. The new .325 Winchester Short Magnum (WSM) cartridge is actually a .315 caliber by bore diameter and a .323 caliber by groove (or bullet) diameter. The .300 WSM has found a place in the market, while the .300 SAUM is already obsolescent. If you own a 325 WSM or 338 Win. This rifle load combo is awesome, flat shooting, hard hitting, reliable and handy. Winchester Guns 535704236 XPR Hunter Bolt 338 Win Mag 26" 3+1 Synthetic Mossy Oak Break-Up Country Stock Black Out of stock View Details » View Details » Out of stock Bullet weights of 200-, 250- and 300-grains were initially offered for the .338 Win. Remington introduced their .300 SAUM shortly after Winchester's .300 WSM hit the market. I know the 338 has alot more bullets to pick from for reloading, but I've heard the 325 is a slightly better cartridge, having the trajectory of a 300 WM and the hitting power of the 338. In 2004 they announced the .25 WSSM. Unfortunately, their stubby, short necked cases are not well adapted to 160 and 175 grain bullets, so they are less suitable for hunting the large game for which most customers purchase a 7mm Magnum rifle. One way to think about this is as such: a foot-pound is a unit of energy equal to the amount of energy required to raise a weight of one pound a distance of one foot. They are both belted magnums based on a blown out .375 H&H case with a 25-degree shoulder, reduced to a length of 2.17 inches. They do make a .338-win mag in LH, but it is a little longer and a little heavier. The name of the cartridge is a misnomer as the bullet diameter is .323 in (8.2 mm). Here are some measurements and comments about the 300 Win vs the 30 Nos. Not surprisingly, there are some significant differences in the ballistics of the three cartridges. Winchester took their .458 Winchester Magnum case—itself a shortened and blown out .375 H&H case—and necked it to hold the .338″ diameter bullets the company used for its rimmed .33 Winchester. Following the initial success of the .300 WSM, the .270 WSM, 7mm WSM and 7mm SAUM were introduced. 338 Lapua Mag. Mag. was reintroduced in 2004, also in the Model 673. Compared to true magnum cartridges such as the .240 and .257 Weatherby Magnums they are an embarrassment. The 325 WSM is an excellent cartridge for all North American big game. The .325 can in some instances deliver hydrostatic shock (keep projectiles above 2600fps) out to greater ranges than factory .338 Winchester Magnum ammunition while factory loads for the .325 WSM are most definitely heavier than .300WSM offerings and at a subtle level, can generate more trauma than like weight .30 caliber bullets. I would recommend the 338 Win Mag over the 325 WSM, that is another caliber I own and I think it would be a awesome gun for large plains game. And my 325 is in a much lighter Browning Micro Hunter as opposed to the heavy Ruger 77 in 300 Win Mag. A 338 Win would be fine also. The WSSM's are really best suited for use in single shot rifles, just like the bench rest cartridges that inspired them and they have been a sales flop. Factory loaded ammunition for the 6.5 and .350 Magnums was (temporarily) discontinued during the 1990's. The .325 WSM is intentionally misnamed to make it sound bigger than it is. A 375 is a bit big for your primary deer and elk uses. Try other filters. The true short magnum cartridges begin with the 6.5mm Rem. The 6.5mm Remington Magnum is a flat shooting, long range CXP2 class game (deer, antelope, sheep, goat, and black bear) cartridge on the order of the .270 Winchester. In 2003 Winchester introduced a line of Super Short Magnum (WSSM) cartridges, starting with the .223 WSSM and .243 WSSM. (The latter is rather a mixed blessing when shooting a magnum cartridge.). I was looking for a .338 Federal and got lucky and found a Savage 99 brush gun in .358 Win, didn't look for the .338 Fed after that. This can lead to feeding failures and over-ride jams. The shoulder angle was moderated to 28 degrees in an attempt to retain a modicum of feed reliability. Neither of Remington's original short magnums were commercial successes, although the .350 gained a sort of cult following. With newer powders and advancements in technology, the 338 WSM thrives and does surpass its taller brother 338 Win Mag in most bullet classes. Copyright 2002, 2017 by Chuck Hawks. They are too similar to each other and neither offers any ballistic advantage over the established and much more popular 7mm Remington Magnum. Again, the above is for comparative information purposes only, and you should consult the exact ballistics for the particular .338 Lapua Magnum or .338 Winchester Magnum cartridge you're looking at purchasing.