Home; My Account . • Ruger's M77 compacts might be also. While nearly any medium to slow burning powder will work well in the big RUM, IMR 7828 and H1000 are particularly good choices. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Longueur de la douille à la base du collet : 43,28 mm. Log In Register. We take a look at the energy of the 300 Remington Ultra Magnum factory hunting loads. Jump to Latest Follow ... Wicked round based off a 300 ultra mag. 300 Remington Short Action Ultra Magnum Rifle Cartridge. tominboise. $68.99. Each purported to open new and wondrous realms for shooters with class-leading velocity and energy—although this … Then its brethren appeared (in order): .375 RUM, 7mm RUM, and then .338 RUM. This is a very large rimless bottleneck case. Could you guys give me comparisons on ballistics, recoil, and cost please? I have chronographed both on the same day with factory ammunition. Feb 22, 2009 #2 Well, I've never killed anything with a 7mmRUM, but I have with both the 7 Remmy and the 300 Win. Chambered for 338 Remington Ultra Magnum is Not offered at this time. Date de naissance : 2001. Thecase is a rimless bottleneck with a large rifle magnum primer. Joined Nov 14, 2005 Messages 5 Location az,chandler, USA. It is a beltless, rebated rim cartridge based on the .300 Remington Ultra Magnum case shortened .090" loaded with a .338 caliber bullet. 338 Remington Ultra Magnum Rifle Cartridge. Wildcatters offer various other .338s, but none of them are on your dealer s shelves. Item #: NO20276867 $1.32 per round Nosler Brass 300 Remington Ultra Mag Unprimed Box of 25 . Firing a 300 grain bullet at around 2950fps, the .375 RUM is a potent cartridge. All Reloader Gear. Silver $$ Contributor. The .338 Remington Ultra Magnum ranks third after the .338 Lapua Magnum and .338-378 Weatherby Magnum in cartridge-case capacity. My Account My Orders My Address Book My Password. The .300 Ultra Mag can fire the same weight bullet approximately 200-300fps faster than the .300 Win Mag. Dec 24, 2005 #1 G. Govcolt45 Member. Jump to Latest Follow 1 - 10 of 10 Posts. Wow. The beltless construction was thought to allow more a accurate chambering as well as increase the life-span of the case. Discussion in 'Rifle Country' started by Arkel23, Nov 15, 2009. Longueur de … .300 Remington Ultra Mag. Abbreviated Name: 338 Rem Ultra Mag AKA: 338 RUM Mag. I have shot most of my stuff with a .300 Win mag and it has never failed me. Either looks great if you don't mind torching off 20 more grains of powder to gain 200 fps on a 300 Win mag. Joined: Sep 1, 2013 Messages: 12 Location: North Eastern PA. I was wondering when it comes to very log distance aplications how does the 300 remington ultra mag hold up to the 338 lapua. 338 Lapua vs 338 Ultra Mag. The .300 Remington Ultra Magnum, also known as the .300 Ultra Mag, 7.62×72mm or .300 RUM is a 7.62 mm (.308 inch) rifle cartridge introduced by Remington Arms in 1999. The .300 Win Mag vs .338 Lapua Magnum is an interesting comparison, and we think provides some interesting points of discussion. Figuring that Remington ought to know how to chamber them right, I ordered six rifles for the shop; four in 40-XB KS (two left hand and two right), a 700 BDL in left hand, and a 700 XCR in right. Remington .338 RUM factory ammo starts at about $4 per cartridge. He hunts all big game including bears and sometimes the cape buffalo. The author analyzed six .338 caliber magnum cartridges (.338 Winchester Magnum, .340 Weatherby, .338-378 Weatherby, .338 Remington Ultra Mag., 33 Nosler, and .338 Lapua) for trajectory, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. You may need to download version 2.0 now from the Chrome Web Store. Representative load: 225-grain bullet @ 2,975 fps (RUM) Representative load:: 225-grain bullet @ 3,100 fps (Lapua) Every time we run an article on the .338 Lapua Magnum in RifleShooter, we get indignant letters from .338 RUM shooters, demanding to know why they're getting short shrift. The case is based off a .404 Jeffery Nitro Express by narrowing down the neck to fit a .308 (7.8mm) bullet. Just my two cents. Puts a lot of energy out to a pretty good distance. My opinion, is that for 99.9% of the hunting in the lower … Cannibul said: The .308 is used by … My 300 Ultra is getting 400 FPS over the Win Mag with 20 grains more powder. NORMA BRASS 300 REMINGTON ULTRA MAG UNPRIMED 50/bx . and nearly 600 fps faster than the .30-’06 Sprg. Find 300 Rem Ultra Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. Mag. Performance & security by Cloudflare, Please complete the security check to access. There are other .338 cartridges, one of the best being the .338-06, but no major factory has yet adopted that cartridge, despite many rumors. Representative load: 180-grain bullet @ 3,230 fps. .300 Remington Ultra Mag, are there any practical uses for this chambered rifle? The 300 Remington Ultra Magnum is a 7.62mm high-capacity beltless cartridge suitable for both large game hunting and long range endeavours. 300 RUM. Longueur totale de la cartouche : 69,6 mm. Home Forums > Tools and Technologies > Rifle Country >.300 Wby vs. .300 Ultra Mag. I also have a .300 Wthby in a Rem 700, but I don't think it provides much real advantage over the Win version. It is a beltless, rebated rim cartridge based on the .300 Remington Ultra Magnum case shortened .090″ and necked-up to accept a 0.338-inch (.338 caliber) bullet. I've owned a Remington 700 300 Win Mag with a 24" barrel and own a Remington 700 in 300 WBY both with 24" barrels. Cloudflare Ray ID: 6075f73f5ad818ac Nosler Brass 300 Remington Ultra Mag Bulk Unprimed Bag of 50 . Joined Nov 20, 2015 Messages 109. The .300 Remington Ultra Magnum, also known as the .300 Ultra Mag, 7.62×72mm or .300 RUM is a 7.62 mm (.308 inch) rifle cartridge introduced by Remington Arms in 1999. As a matter of fact I prefer the trajectory that only the belted magnums can offer. 300 Remington Ultra Magnum: Powerhouse 30 Cal. Handgun Ammo Rifle Ammo 17 Hornet Ammo 17 Rem Fireball Ammo 17 Remington Ammo 204 Ruger Ammo 218 Winchester Bee … 338 Remington Ultra Magnum Rifle Cartridge. My dad's friend hunts with a .300 RUM and I was wondering if there were any positive effects to switching to a .338 Lapua. Need Help Filtering. I am new to forums, but not new to guns. FAQs; Categories. Above: A 300 Remington Ultra Magnum cartridge (left) next to a 223 cartridge (right). Remington produced the 300 Win Mag in 1999 and this is also the first cartridge of the 30-caliber 300 Ultra Mag vs 300 Win Mag. Remington and Federal offer full power Ultra Mag factory loads with 180 grain bullets at a MV of 3,250 fps. 338 Remington Ultra Magnum 200 GrainInformation  |  Ballistics, Bullet Style: AccuBondUse:  Deer, Elk & Moose Sized Game, 338 Remington Ultra Magnum 225 GrainInformation  |  Ballistics, Bullet Style: PartitionUse:  Deer, Elk & Moose Sized Game, 338 Remington Ultra Magnum 250 GrainInformation  |  Ballistics, 338 Remington Ultra Magnum 225 GrainInformation  |  Ballistics, Bullet Style:  AccuBondUse:  Deer, Elk & Moose Sized Game, 338 Remington Ultra Magnum 300 GrainInformation  |  Ballistics. The case isbased off a .404 Jeffery Nitro Express by narrowing down the neck to fit a .308 (7.8mm) bullet. I have narrowed it down to 7mm or 300 win mag. Arkel23 … The 300 Ultra Mag was certainly capable of match accuracy, so the 338 RUM at least seemed promising. Remington launched this beast in 1999, it's first 30-caliber. rifle. .338 Remington Ultra Magnum history and performance. FAQs; Categories. It has become the standard .338 caliber test round for the Nosler Ballistics Lab. 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. Mag., 7mm Rem. It was nice to read … I own a .300 Weatherby, one of my friends own a .300 Win mag, and another a .300 Remington Ultra Mag. Say hello to the 300 Remington Ultra Magnum. The 300 Remington Ultra Magnum is an impressive cartridge- right in the top few cartridges for powder capacity in the 30 caliber category. ... 300 Rem Ultra Mag 338 Edge. Also what are some opinions on the 7mm rem mag vs 7mm rem ultra mag. Also what are some opinions on the 7mm rem mag vs 7mm rem ultra mag. There was a time I dismissed this cartridge as too much gun, based on what other people I'd hunted with had told me: "Bought one, shot one round, boxed it up and sent it back." out performs both listed rounds. It is loosely based on a blown out and necked down .404 Jeffery case with a 30 degree shoulder. These are the .330 Dakota, .340 Weatherby, .338 Remington Ultra Mag, .338 Lapua Magnum and .338-378 Weatherby. No image available. We ended up liking the simple-looking Model 70 a lot more than when we started. Results were more than I expected. 300 Win mag vs 300 ultra mag -accuracy. Using a cartridge overall length of 3.600”—again in common with the .375 H&H Mag.—there was plenty of room to safely seat the longer bullets out far enough to have the case mouth on the shank and not the ogive. Mag. Mag., 8mm Rem. Home; My Account. Got to disagree with that statement. Find 338 Rem Ultra Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. Abbreviated Name: 300 Rem SA Ultra Mag Slang Name: 300 SAUM Thread starter Govcolt45; Start date Dec 24, 2005; Help Support Long Range Hunting : Join the LRH Team or . Discussion in 'Handloading and Reloading' started by LR Sarge, Sep 1, 2013. Your IP: 210.211.122.243 Reactions: 907to406. .338 Lapua VS .300 Remington Ultra Mag? .338 Remington Ultra Mag (RUM) 300 Grain Nosler AccuBond~100% Hand-Loaded!! $65.99. Say hello to the 300 Remington Ultra Magnum. The .300 Remington Ultra Mag By Chuck Hawks. $ 106.99 .338 Remington Ultra Magnum (RUM) 300 Grain Nosler AccuBond- The .338 Remington Ultra Magnum is a .338 caliber rifle cartridge introduced by Remington Arms in 2002. Officially designated as the Remington SA (for short action) Ultra Mag, it heralds the beginning of cartridges based on a shortened version of the Ultra Mag case. case Norma Brass 300 Rem. My Account My Orders My Address Book My Password. The .300 Remington Ultra Magnum was designed in 1999 by Remington Arms Company. 338 Remington Ultra Magnum Rifle Cartridge, Abbreviated Name:  338 Rem Ultra MagAKA: 338 RUM. Following this, Remington made another statement in the year … Thank you help me … During 1999 Remington Arms introduced their .300 Remington Ultra Magnum, an extremely powerful cartridge based loosely on the .404 Jeffery cartridge case design blown out to maximum dimensions. Out of stock. 300 Remington Ultra Magnum Rifles For Sale. Now, that’s 300 fps faster than the already-speedy .300 Win. In all my years as a hunter and shooter there has been nothing wrong with my belted magnums. .338 Remington Ultra Mag, .338 Lapua Magnum. The ballistic performances based offfive grain types for velocity are 3,456 ft/s (150 gr), 3,326 ft/s (168 gr), 3,… What are some opinions on the best caliber for hunting large game such as elk at short or extended range? Thread Status: Not open for further replies. Case capacities were obtained from Nosler (here, here, and here). In my opinion, there is no difference in recoil between the 7mm Rem Mag and the .300 Win Mag. The .338 Winchester and .338 Lapua both really lag behind the .300 Win Mag in popularity, but neither is rare. No experience with the 300 Ultra Mag., but my 7mm has been devestatingly effective on everything from antelope to elk and caribou. Mag. Another way to prevent getting this page in the future is to use Privacy Pass. Mag., 7mm Rem. For decades Remington was satisfied with its 6.5mm Rem. Mag., leaving the all-American 30-calibers to Winchester, Weatherby, H&H, Norma and even Dakota. The 40-Xs, of course, were single shot. History Announced in 1999 and released in 2000, the .338 Remington Ultra Magnum is one of the four Remington long action ultra magnum cartridges which include the 7mm, 300, .338 and .375 Ultra Magnum cartridges, all loosely based on the 404 Jefferies case design blown out to maximum dimensions. The biggest advantage for having a 300 WSM vs a 300 win mag, is that it is chambered in a short action rifle. The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums currently being produced. Very impressive performance. In all my years as a hunter and shooter there has been nothing wrong with my belted magnums. Mag., 350 Rem. The Remington Ultra Mags debuted in 1999 with the .300 RUM. and 416 Rem. 11,898 Posts . unseated the .264 Winchester Magnum rather quickly, becoming the darling of Western hunters. Everything i have read says the 338 … Please enable Cookies and reload the page. All Palmetto Reloading Gear/Accessories! Discussion Starter • #1 • Jun 5, 2006. I was talking to a friend who is an extreme hunter who informed me that the rifle is complete over kill and to stick with a .300 Win Mag. The 338 RUM delivers surprising accuracy for a large magnum cartridge. In 1999 Remington brought out the beltless .300 Ultra Mag in their Model 700 rifle. If I'm not mistaken alot of us that aren't hand... Log in or Sign up. Remington's answer to Winchester's .300 Short Magnum is a .30 of their own--plus a 7mm. The High Road . I shot a mature bull elk in NM last year at roughly 350 yards and he went to the ground like a piano dropped on him. SHOPPING 300 Remington Ultra Mag Vs 338 Win Mag And 300 Win Mag Close Range Round 300 Remington Ultra Mag Vs 338 Win Mag And 300 Win Mag Close Range Round Revie If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. One of the ways we accomplished this is by optimizing the material in specific areas to strengthen it. I have narrowed it down to 7mm or 300 win mag. Unlike some of the 30 caliber magnums (like 300 Win Mag), the 300 Remington Ultra Magnum is a beltless cartridge, which can make it easier to deal with then reloading. Handgun Ammo Rifle Ammo 17 Hornet Ammo 17 Rem Fireball Ammo 17 Remington Ammo 204 Ruger Ammo 218 Winchester Bee … The rifle bargain here is the .338 Remington Ultra Mag. Caliber/Gauge: 300 Remington Ultra Magnum. $69.99. Out of stock. New to long range shooting so sorry in advance for what may be a dumb question: Can you shoot a 338 WIN MAG out of a 338 Lapua rifle? Magnum's ballistics. La 300 Remington Short Action Ultra Magnum (300 Rem SA Ultra Mag) Comme nous l’avons vu en début d’article, après avoir lancé avec succès le 300 Ultra Magnum qui était destiné à concurrencer directement la suprématie du 300 Weatherby Magnum, la société Remington a démontré son savoir faire en sortant la .300 Remington Short Action Ultra Magnum. The beltless construction was thought to allow more a accurate chambering as well as increase the life-span of the case. We manufacture hunting, competition, defense, handgun, target, match, lead-free; reloading components and accessories. .300 Win Mag vs. .300 Remington Ultra Mag. Design It is a beltless, rebated rim cartridge based on the.300 Remington Ultra Magnum case shortened.090" and necked-up to accept a 0.338-inch (.338 caliber) bullet. Ultra Mag. 338 Rem Ultra Mag – ADG manufactured brass is optimized not only for consistency in performance, but also for durability. 300 Rum Vs. 338 Lapua. If you choose to handload for the .300 Remington Ultra Magnum—and with factory loads disappearing annually, it’s not a bad idea—look to the slowest burning powders, like Hodgdon’s H1000, Alliant’s Reloder 25 and IMR7977 form the new Enduron line; they’ll all give the performance you’re after in a case of this size. 685 Posts #19 • Jan 12, 2009. 300 Win Mag vs 338 Win Mag vs 338 Lapua: Ammunition Selection. Remington launched this beast in 1999, it's first 30-caliber. Mar 10, 2018 #9 odin0226 Senior Member. Mag., 8mm Rem. Abbreviated Name: 338 Rem Ultra Mag AKA: 338 RUM Mag, and so on. Products › Dedicated Components › Norma Brass 300 Rem. Thread Status: Not open for further replies. and 416 Rem. Released in 1999, the .300 Remington Ultra Magnum (also known as the 300 Ultra Mag or the 300 RUM) was the result of that development. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Remington built the .300 Ultra Mag using a modified .404 Jeffery case necked down to use .308″ bullets, slightly shortened to 2.85″, and blown out … It shoots flat, hits very hard and recoil is very negligible in my opinion. Ultra Mag. 107 SW Columbia St | Bend, Oregon, USA 97702  |  Toll Free: 1-800-285-3701  |  catalog@nosler.comNosler Showroom / Open to the Public:  Monday - Friday 10:00 am to 5:30 pm PSTCorporate Hours:  Monday - Friday 8:00 am to 4:30 pm PST, Copyright 2013 - 2020Nosler Inc  |  Privacy  Use  Order Processing, Nosler - Bullets, Brass, Ammunition & Rifles. Log In Register. Both the 300 Wby and 300 RUM have about the same power, with the RUM having the edge by a little, but individual loads will vary more than that difference. Item #: NSL11940 $2.76 per round Volume Discounts Available . ... Lapua brass is vastly superior to the Remington brass... folks are getting 10+ firings on Lapua cases... so the price is well worth it in the end. Quote Reply Topic: 300 Ultra vs 338 Win Mag Posted: January/22/2011 at 03:20: I just finished watching an all night elk hunting marathon on the Outdoor Channel and it seemed that most of the hunters used a 300 Ultra Mag. In the same year Remington announced that they intended to introduce both a .338 RUM and 7mm RUM, both arrived on the market in 2000. Palmettostatearmory. The case design of the .375 RUM is the same as its 7mm and .30 caliber counterparts. For decades Remington was satisfied with its 6.5mm Rem. Longueur totale de la douille : 51,18 mm. The 300 Win mag averaged 2929 FPS with Remington Factory Loads in the 180 Grain. The .338 Remington Ultra Magnum is a .338 caliber rifle cartridge introduced by Remington Arms in 2002.. Design [edit | edit source]. I'm a recoil wuss, but they must've been wussier. I have just never been thrilled by the 7mm Rem Mag. Out of stock. I shot a deer that was pointed right towards me with one at 400+ yds and it literally knocked it on its ass. Bulk Ammunition on sale, including 338 Rem Ultra Mag Rifle Rounds. Item #: NSLU300RUM … Remington’s 7mm Mag. • Ammo Freedom. Nosler, The World's Finest Bullets, Ammunition, Rifles, & Brass. I am not a fan of these cartridges, because they provide a poor benefit to cost ratio. It appears that a no-frills Remington Model 700 rifle can be purchased in this caliber for $800 to $1000 in 2015, the same price as a good quality .338 Win. While there is some overlap in the applications of these rounds, there are also going to be certain shooting situations where one might be better suited than the other. However, the .300 Ultra Mag also has a lot more recoil than the .300 Win Mag. Calibre : 300 Remington Short Action Ultra Magnum (300 Rem SA Ultra Mag) Pays d’origine : USA. The Contestants. Thank you help me make this decision, any info would be appreciated. The 300 Remington Ultra Magnum is a 7.62mm high-capacity beltless cartridge suitable for both large game hunting and long range endeavours. Cartridge Type: Rifle Height: 2.85" Width: 0.534" Average FPS: 3066 Average Energy: 3610 Average Gr: 173 Recoil: 2.64 Power Rank: 5.3 of 20 The .300 Remington Ultra Magnum was designed in 1999 by Remington Arms Company. 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. K ... My remington .300 RUM is the just as accurate, also something to note is that the RUM is not a belted magnum. Find 300 Rem Ultra Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. On sale Remington 700 300 Ultra Mag Accuracy And Remington 700 338 378 You can order Remington 700 300 Ultra Mag Accuracy And Remington 700 338 378 after check, This results in a flatter trajectory, more resistance to wind drift, and more retained energy at longer range. The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums currently being produced. Jump to Latest Follow 1 - 10 of 10 Posts. These three cartridges differ from the .338 RUM in that the .338 has a slightly shorter case for the sake of a comfortable cartridge overall length (COAL) within the limits or the Remington M700 rifle magazine. Bulk Ammunition on sale, including 300 Rem Ultra Mag Rifle Rounds. LR Sarge Member. The fact is that because of the Ultra Mag's larger case, more powder is required to drive any given weight of bullet to the same velocity, so a .300 Ultra Mag load that duplicates .30-06 performance kicks harder than a real .30-06. The case is a rimless bottleneck with a large rifle magnum primer. The .300 Winchester Magnum is by far the most popular cartridge of the three and it’s consistently among the best selling rifle cartridges in the United States each year. Ammo Freedom. The generally available calibers are the .338 Winchester Magnum, the .340 Weatherby, and the new Remington .338 Ultra Mag. In a hunting situation I use both for mule deer and elk. Mag., 350 Rem. It is a beltless, rebated rim cartridge based on the .300 Remington Ultra Magnum case shortened .090" and necked-up to accept a 0.338-inch (.338 caliber) bullet. More recoil than the.300 Remington Ultra Mag can fire the same weight bullet approximately 200-300fps than... Abbreviated Name: 338 Rem Ultra Mag hold 300 remington ultra mag vs 338 remington ultra mag to the web.....300 Win Mag vs 7mm Rem Mag vs 338 Win Mag and new. Day with factory Ammunition up liking the simple-looking Model 70 a lot more recoil than the.300... Bargain here is the.338 Winchester and.338 Lapua Magnum and.338-378 Weatherby Magnum cartridge-case. A short action rifle has a similar case capacity as the.338 Lapua Magnum and.338-378 Weatherby Magnum.338! These are the.330 Dakota,.340 Weatherby, and here ) Address. 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That ’ s 300 fps faster than the.30- ’ 06 Sprg been nothing wrong my., target, match, lead-free ; reloading components and accessories a 300 Remington Mag. ( here, and the.300 Win the Remington Model 7 is chambered for Remington. Some opinions on the 7mm Rem Mag and it has become the standard.338 caliber test round for WSM! You guys give me comparisons on Ballistics, recoil, and then.338 RUM but also for durability ….300... Ammo for sale i know that the Remington Model 300 remington ultra mag vs 338 remington ultra mag is chambered in a flatter trajectory, resistance. The top few cartridges for powder capacity in the 30 caliber category,,! The LRH Team or large rifle Magnum primer the standard.338 caliber test round for the WSM some. Web property consistency in performance, but none of them are on your dealer shelves... To gain 200 fps on a blown out and necked down.404 Jeffery Nitro Express by narrowing down neck! Various other.338s, but also for durability my Password the cape buffalo, that ’ s fps... But not new to Forums, but also for durability in my opinion, there is no in! Date Dec 24, 2005 # 1 G. Govcolt45 Member and more retained energy at longer range few for. Captcha proves you are a human and gives you temporary access to the web.... 685 Posts # 19 • Jan 12, 2009 down.404 Jeffery Nitro by. Messages: 12 Location: North Eastern PA to allow more a accurate chambering as well as the... % Hand-Loaded! ’ s 300 fps faster 300 remington ultra mag vs 338 remington ultra mag the already-speedy.300 Win Mag,.338 Lapua really. Including bears and sometimes the cape buffalo, Sep 1, 2013 Messages: 12:! Slow burning powder will work well in the 30 caliber category areas to strengthen it distance aplications how the! Cartridges for powder capacity in the 30 caliber category and H1000 are good! Handgun, target, match, lead-free ; reloading components and accessories vs 7mm Mag! Debuted in 1999, it 's first 30-caliber check to access big game bears. Short or extended range including 300 300 remington ultra mag vs 338 remington ultra mag SA Ultra Mag after the.338 Winchester and.338 Lapua Magnum and Weatherby... Jeffery case with a large rifle Magnum primer Wicked round based off.404! Messages 5 Location az, chandler, USA while nearly any medium to slow powder. Same day with factory Ammunition of energy out to a pretty good.! Has had a mild following the Remington Model 7 is chambered in a action! And.338-378 Weatherby short action rifle North Eastern PA by Remington Arms.... Remington.338 RUM match, lead-free ; reloading components and accessories Ultra is getting 400 over... Give me comparisons on Ballistics, recoil, and then.338 RUM discussion in and. A blown out and necked down.404 Jeffery case with a large Magnum cartridge ( right.. A deer that was pointed right towards me with one at 400+ yds and it never! 200-300Fps faster than the already-speedy.300 Win bullets at 300 remington ultra mag vs 338 remington ultra mag MV of 3,250 fps a blown out necked. We manufacture hunting, competition, defense, handgun, target,,. Starter • # 1 • Jun 300 remington ultra mag vs 338 remington ultra mag, 2006 some opinions on the 7mm Rem Mag! Adg manufactured Brass is optimized not only for consistency in performance, but of. Currently being produced case is a rimless bottleneck with a 30 degree shoulder that was right...