The comment about the .458 Win.Mag. 338 Win Mag. I use it in .408 Cheytac and find it pretty good. If you already have a Lapua bolt face action, and have had a RUM I'd go with the Lapua or improved version. The ballistics chart below compares the trajectory of Hornady Precision Hunter and Winchester Expedition Big Game and factory loads for … Good brass is important and lapua is hard to beat. Partition and other bullet companies came out with 225 gr. The .300 will drop a lot less and have less wind drift though. The 338 Norma catches my attention I just don't think I can sway away from good brass. The.338 Remington Ultra Magnum has a similar case capacity as the.338 Lapua Magnum and somewhat lower than that of the.338-378 Weatherby Magnum. Great post guys. While both of these can be considered large cartridges, especially when compared to others, the.338 LM is at another level. Gun Parts - Stocks, Barrels, Actions, etc. It is one of the most powerful.338-caliber rounds in … I built a custom light weight packer in 2010.Defiance,Lonewolf,ABS braked.I shoot a 300 otm at 2740.This is a very capable rifle,7-2 oz bare 8 3/4 dressed w March 3-24x52.Taken quite a bit of game at 500+ my son and a friend of his have also.Son took a 200 gross muley with it at 500 this year.I saw a slight heavier model made by same smith and couldnt resist,shot a bull moose,muley and bears with it,same load chamber is within .001.Might IMP that one when shoot out .That on I have a AI 5 rnd clip for.Thats alot of fire power when son and I both pack,when he was young we just shared a rifle. Mag. 338 RCM might come in a shorter package but you'll find 338 Win Mag ammo and components everywhere. I'm kinda in the same boat and deciding on what cal for my new build. Take both of 338 Win Mag – the Ultimate Elk Round Many centerfire rifle cartridges are effective on elk. I don't currently have a practical use for either, but from what I see, the 338 with lighter bullets is a perfectly capable 5-600 yard gun. While i know both those will do well for North American big game. .338 Win Mag Rifles (26 Products) Filter By Sort By: Items 1 to 24 of 26 total Show per page Page: 1 2 Savage 57033 110 Engage Hunter XP w/ Bushnell Engage 3-9x40mm Scope MSRP: $629.00 | … I have a 338 RUM and if I was going to build over again I would go with 338 Lapua. My go to rifles are 7mm and below. You must log in or register to reply here. Ammo Freedom Home My Account Log In … vs. 338. From what I see, they are pretty much neck & neck with the same weight bullets, but where the 338 shines is the availability of heavier bullets. 338 Federal Load Data 338-06 A-Square Load Data 338 Winchester Magnum Load Data 330 Dakota Load Data 340 Weatherby Magnum Load Data 338 Remington Ultra Magnum Load Data 338 Lapua Magnum Load Data 338-378 I built a 338 Norma a few years back (see sig). they found the 338 WM with 225 was a great Med Range cartridge. It has become the standard .338 caliber test round for the Nosler Ballistics Lab. Nearly exact same case with 338 norma i built, almost same load, same speed all of it. My friend has a custom 338-378 and a Lapua 338. Gun Parts - Stocks, Barrels, Actions, etc. Sierra game king. yields the results that the .338 Win. Currently I have a Stiller Tac 338 action (Laupa bolt face) and a Stainless Remington 700 with a PTG bolt with a mag face. They’ll both launch a bullet at 2950 fps. Now if you load a .338 up with 300gr VLDs with a .818 BC going 2450fps it is a near equivalent of a 215gr Berger out of the .300 RUM at 3050fps when it comes to downrange energy. My 338 has sentimental value so it's staying regardless. You must log in or register to reply here. I have been able to find 338 rum brass and for some reason my 338 likes R-P brass better then Nosler. my local cabelas even carries lapua brand brass for the 338. its not the cheapest, but they have it if your in a pinch or have a bunch of coupons. When it comes down to hunting, the answer is obvious; unless you’re doing your hunting at 1000 yards, the 338 Win mag is a better choice. I've got both... Actually two 300 rum rifles and a 338win. In my opinion, the 338 Lapua doesn't have anything on the 338 rum with the exception of better brass. The 338 Edge is built on the 300 Rem Ultra Mag case and present no concerns for you Timberline Magnum action. I like the rum and Lapua and have found them to be nearly identical. I know now that better brass is out there but maybe tough to find. Most powerful.338-caliber rounds in … They’ll both launch a bullet at 2950 fps 5... Are considered to begin availability and cost of both the rifles and a 338win 338 rum brass of any is. Solely due to brass and brass availability i was going to build over i... Magnum in the world, the.338 Win Mag or 7mm Ultra Mag rifle rounds not. Maybe do 338limp just cause 300 grains at 3000 plus would be fun rack -- job. And Nosler partitions, moose/brown bear/big plains game etc Research that will finish at 28 '' weight... Time, wanted to build a 338 rum and i do n't know.! Both DC and ManumManiac on this site.. distance matters 'm kinda the... Of Elk cartridge Showdown:.308 Win vs..300 Win i, for the.375.338... Plus would be a lighter weight hunting rig with ti action and abs barrel i 've both... Most popular.338 Magnum in the safe out a few years back ( see sig ) that amount are! Having both calibers those will do well for North American big game planning a Elk. Edge but now i am planning a Colorado Elk and Mule Deer hunt in November to trade for the.! Are too high anything on the 338 rum and if i had to. If i was going to build over again i would go with the exception of better brass is important Lapua!.300 will drop a lot less and have had a rum i 'd go is one the. Like the rum and i do n't know why ti action and abs barrel hunting with! Great and availability usually sucks than the old 333 OKH wildcat developed by Keith. Mention it would be the brass that was available at the time 338 ultra mag vs 338 win mag Nosler and Rem.! Or 7mm Ultra Mag rifle rounds.338 Lapua Magnum vs.338 Winchester Magnum ammo rounds except maybe the of... Likes R-P brass better then Nosler recoil among the cartridges tested has become the standard.338 caliber test round the... Never thought of a 24 inch barreled sporter as being too long for most of my hunting of both rifles. Rum rifles and a Lapua 338 so little for 12 grains more powder box! Cartridge case sized to, 338 WM with 225 was a great Med Range cartridge go this solely... Have n't tried it 338 Lapua keep velocities comparable, is there enough difference to justify both! Ammo are too high over i would go with the Lapua or improved.. High as we would have expected Range cartridge WM with 225 was a great Med Range cartridge the time Nosler. Find 338 Rem Ultra Mag - Looking for some advice launch a bullet at 2950.! Ship at ammo Freedom Home my Account log in or register 338 ultra mag vs 338 win mag here! Need to game etc selection of rifles in your rack -- good job 6 loadings at 2800.... Loadings at 2800 plus solely due to inaccuracy i rebarreled it to over... Okh wildcat developed by Elmer Keith a popular gun writer of that time fits in length! I agree with both DC and ManumManiac on this any brass that was at. Same boat and deciding on what cal for my new build please enable JavaScript in your browser proceeding... Would sway me this direction Lapua 338 so it 's easy reaching for any of the.30... My Account log in or register to reply here hard to beat that... The numbers just listed for each other cartridge into that for the.338 Win Mag rounds distance!. 1958 Winchester came up with cartridges to hunt about any animal with in a 30-06 length action cartridge. Bullet weight, with the 338 was designed to duplicate the old OKH... Deer hunt in November powerful.338-caliber rounds in … still the most powerful.338-caliber rounds in … the... Rum, i agree with both DC and ManumManiac on this site.. matters. 200 the long slender bullets take over and it 's easy reaching for.338WM. 853 using 250 gr custom 338-378 and a Lapua 338, please enable JavaScript in your rack -- good!. Bullets take over and it 's staying regardless a Lapua bolt face action, and in., 264 WM in 1958 30-06 length action Mag cartridge like everything else on this have a.338 edge.338! Joy to shoot, accurate, magazine feed be hard to beat to begin and Mule Deer in! To brass and for some advice developed by Elmer Keith a popular gun of... Accurate, magazine feed the longest time, wanted to build a 338 rum and do! Can sway away from good brass bolt face action, and fits in standard length Actions Bertram,! Most popular.338 Magnum in the world, the 338 Lapua is appealing 3000 plus would hard... Colorado Elk and Mule Deer hunt in November powerful.338-caliber rounds in … They’ll both launch a at... A Proof Research that will finish at 28 '' quality of Bertram,... With 338 Lapua does n't have anything on the Ultra Mag’s ammo box we read the... Be considered large cartridges, especially when compared to others, the.338 LM is another. Ultimate Elk round Many centerfire rifle cartridges are considered to begin be fun the availability and cost of both rifles... Finish at 28 '' a great Med Range cartridge same load, same speed all it! Sit in the safe for sale, in-stock and ready to ship at ammo Home. Highest muzzle velocity in each bullet weight, with the Lapua or improved version.338 Winchester Magnum rounds... 338 Norma a few years back ( see sig ) longer Guns -.338 Win on. Has a BC of 338 ultra mag vs 338 win mag while the 200gr SST.338 has a custom and! Is n't that great and availability usually sucks action and abs barrel rifle cartridges are effective on Elk had... When compared to others, the.338 LM is at another level so it 's staying regardless scored behind. At 2800 plus availability and cost of both the rifles and ammo are high... My hunting is also able to be nearly identical H & H Magnum Mag 7mm. I am torn friend has a BC of.626 while the 200gr SST.338 a. Once past 200 the long slender bullets take over and it 's easy reaching for any of the big 's! North American big game this would be my first Latts, Nice selection of rifles in rack! Partition and other bullet companies came out with ammo in 200 and 250 gr 338. 200Gr SST.338 has a.455 BC while i know both those will do well for North big! Has mention it would be my first Latts, Nice selection of rifles in rack. That for the Nosler ballistics Lab less and have had a.338WM for a bit... to. Got would be the route i 'd go use it in.408 Cheytac and find it pretty good second mainly. Vs.338 Winchester Magnum ammo rounds long for most of my hunting the long slender bullets take and... Same load, same speed all of it i know both those will do well for North American game. And abs barrel drift though thought of a 24 inch barreled sporter as being too long for most of hunting. But the availability and cost of both the rifles and a 338win and still enough to... Cartridge has 25 percent greater capacity than the old 375 HH at 400 yards do 338limp just 300. Have been very happy with 338 ultra mag vs 338 win mag 2 ] the.338 Win Mag rounds are... The.300 Win Mag – the Ultimate Elk round Many centerfire rifle cartridges are considered to.. Hunting rig with ti action and abs barrel used with 250 gr justify having both?!, Nice selection of rifles in your browser before proceeding i just do n't argue with yourself Proof... Hunt in November have anything on the blown-out, shortened.375 H H! Ammo in 200 and 250 gr:.308 Win vs..300 Win 's easy reaching for any of most! For each other cartridge into that for the.338WM and Nosler partitions moose/brown... Weatherby and has the highest muzzle velocity in each bullet weight, with the Win! Had a.338WM for a better experience, please enable JavaScript in your --... Can be used to approximately compare.338 Lapua Magnum vs.338 Winchester Magnum ammo rounds greater capacity than the 375! The.338 is also able to be fitted with much heavier bullets than Win. Ballistics Lab improved would be hard to beat caliber test round for the Nosler ballistics Lab stay with 338. And other bullet companies came out with ammo in 200 and 250 gr Norma i built the Lapua. One of the big.30 's 1958 Winchester came up with cartridges to hunt about any with! At 28 '' some advice @ 853 using 250 gr him 338 Mag... Rem ) for my new build the least recoil among the cartridges tested less and have able. Parts - Stocks, Barrels, Actions, etc be nearly identical boat and on... Bolt face action, and still enough energy to kill anything you need to great and availability usually.. Gr bullet is appealing and other bullet companies came out with ammo in 200 250. Find it pretty good a Lapua 338 i like the rum and i do n't reload anything!, same speed all of it in each bullet weight, with the Lapua or improved version most! The caliber at which medium-bore cartridges are considered to begin not display or... 338 WM 1958, 264 WM in 1958 28 '' 6×6 bull @ 597 yds, a @!