Depends upon how you drive it and what I think you'll find a little longer barrel life with the 300 RUM. Finally, a big issue that gets in the way for me is simply that I don't like the short barrel/brass life that these BIG Available are bolt-action barrel blanks that will arrive ready for thread and chamber by your gunsmith, AR-style barrels that come threaded and chambered and bolt action Pre-Fit barrels that come threaded and chambered. Assuming the barrel is shot out at 700 rounds, firing 20 rounds per year for 20 years is roughly the half life of the barrel. However, the good news for hunters is that typical 300 PRC barrel life is more than enough to last for many years of hunting with no issues at all. While not as efficient or cuddly as some of the milder cartridges, it will certainly put an exclamation point on the end of your hunting sentence. I have less than 300 rounds through this rifle and do not load it hot so as to save on the barrel life. If you like having the biggest, largest and fastest of the .300 Magnums, the .300 RUM is certainly among the top of the heap. I am not sure what kind of brass life you will have. working on a 338 rum and trying to determine Barrel length. So for my next gun it’s going to be a barrel burner and 300 rum is my front runner currently although 27 or 28 Nosler has my interest as well. When the 300 WM was popular in Long Range Highpower shooting some years ago before the WSM's, 6.5-284 and other smaller calibers now used, bbl life in "slow fire" was between 800-1300 rounds.That said, the bbl was NG for shooting 1/2 moa out to 100 yards. The 300 Remington Ultra Magnum (RUM) is a monster. Everything is in excellent I'd think the 300 would be somewhat You can push a .300 WinMag hard and with a "fast barrel" may get close to RUM velocity if the barrel is long enough. Here are five reasons to own one. 11 October 2001, 13:20 # 1 Thing 300 Rum Barrel Life Rifle And 700 Police 308 Win Bolt Action Heavy Barrel Tactical Rifle is usually the most popular everything presented this 7 … Only help I can offer is that my factory 7mm Ultra lasted about 700 rounds before it started south. I bed the action, float the magazine box, heavily deburr the mag box and the inside corners of the I went back and forth on the decision because I really like the .300 RUM but in the end the Ammo issue and barrel life swayed me to change... Paul Anyone have any idea why I cant High quality brass (Lapua) is easily obtainable and barrel life is really good. And it shoots well; sub-MOA with a handload that produces 3400FPS with a 160 grain Nosler I shot 208s, 215s, 225s with 7828 and H1000. The 300 Norma 300 RUM and 30 nosler will be barrel burners. I think that the .300 WinMag is enough of a good thing but I I'm wanting to keep somewhat short 26+- but everything that I keep reading says 28-30 is minimum. It is not quite as hot as the 30-378 Weatherby. If you don't use a muzzle brake like I do, your life might be shorter than the barrel's. Whatever your preference is, you can expect the finest rifle barrel in the industry. Used in the same manner as a It's just a more efficient cartridge. 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 PRC is in my opinion the better designed round for repeatability and accuracy. The .300 RUM definitely shines in that regard! I have no idea how you would have to shoot a barrel to get only In the comparison of these two cartridges, I definitely give the nod to the .300 RUM, as it does give the velocities this line was intended to give, though it still represents an overbore design, which has a short barrel life. Barrel life suffers from the large amount of powder the RUM burns, typically 95 to 100 grains. The RUM has a reputation for carbon build up but I’ve read enough about products like JB paste and Witches Brew and how to use them that I feel confident in being able to keep … Thanks I'm planning on running 225's with H1000 in the mid 2900's to 3000 fps. The 300 RUM shines with the 180's at 3350 in a Stainless Sendero. Recoil on my 338 LM rifle is surprisingly tame with a muzzle brake. Plus, the increased recoil of the .300 RUM isn't a selling point, even for many of us who aren't very recoil sensitive. I do not shoot benchrest but I get ~2k rounds out of my 300 barrels as long as they shoot under .5 min I am good. So, while there is a difference in .300 Win Mag vs 300 PRC barrel life, it probably isn’t going to be a big issue for most hunters. Barrel life of the 7mm RUM is extremely short due to hot gas erosion which occurs at the start of the rifling, the carefully cut leade which guides the projectile into full engagement of the bore. So we are having a discussion at work and I need an answer. My load averages ~2865 fps and is a near full pressure charge. I cannot say The 300 Remington Ultra Magnum (300 RUM) is a fire breathing monster cartridge with ballistics and recoil to match. Think this would be With the Nosler you can load 230s above the doughnut and still feed in a magazine. I ran across this article on the lapua. It is a beltless, rebated … I would leave it The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums currently being produced. Barrel life, ammo, and components are still pricey, but it's a much easier and more pleasant rifle to shoot than the 300 RUM. Sticks advise on the action jumping around is spot on. It isn't going to break any velocity records I've burned several F-Open .300 WSM barrels using Berger 230 Matchkings and H4831SC. My barrel life is a consistent 1500 rounds. 300 NORMA MAG VS 300 PRC The .300 Norma Magnum is growing in popularity despite a few downsides. 338 LM gets my vote. I have the muzzle brake and the muzzle cap that I will include. However, using the barrel life estimation spreadsheet (assumes same barrel, same firing rate, same 'shot out' criteria), if all were shooting heavy for caliber bullets at near max pressure: 30-378 - 800 rds 300 RUM - 1100 rds So, if you're still shooting that 300 RUM in 40 years maybe then you think about a new barrel. I think the best way to improve a 300 RUM is neck it to a 338 or go down to a 30 Nosler. Cal is a life-long learner, and loves to help others get into this sport he's so passionate about. Nonetheless, I believe this amount of cleaning is unnecessary and actually hurts barrel life, these days I do not clean until groups open, which in most of my barrels is around 200-300 rounds and all they get is a cloth patch and With the scope, it weighs 8 pounds. It is not quite as hot as the 30-378 Weatherby. 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