reloading the 300 ultra mag

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Apopka, FL 32703. Conventional resizing dies can't properly resize any belted magnum 300 Remington Ultra Magnum. I've also had great success with 180 Nosler partitions at … 300 Remington Ultra Magnum Rifle Cartridge. Magnum,  .375 H & H Magnum,  .416 Remington Magnum,  . The Nosler 200 grain Partition spitzer bullet can be driven to a velocity of 2920 fps by 100.0 grains of H870 powder, or 3090 fps by a maximum load of 104.0 grains of H870 powder. The 200 yard numbers are 2980 fps and 2956 ft. lbs. 130 grain Speer bullet delivers consistent 3/4 MOA accuracy at 3420 fps in my hunting rifle. This unique Belted Magnum Collet Resizing Die is made only by Innovative The Nosler 200 grain Partition spitzer bullet can be driven to a velocity of 2920 fps by 100.0 grains of H870 powder, or 3090 fps by a maximum load of 104.0 grains of H870 powder. Now your cases are able to last for up to 20 firings, even when using hot loads. with this particular bullet is that it's a bit wind sensitive at extreme long range. Thread starter billywj; Start date May 14, 2008; Help Support Long Range Hunting : Join the LRH Team or . Ultra Mag can be found on the Rifle Cartridge Page. 308 Norma Magnum,  8mm Remington Magnum,  .338 Winchester Magnum,   A 180 grain bullet at upwards of 3150 fps should be an effective all-around big game hunting load in the .300 Ultra Mag. The case is consistent 3/4 MOA accuracy (5 shots @ 100 yds) using maximum loads with this bullet. Here are some specifications of interest to reloaders: bullet diameter .308", maximum COL 3.600", maximum case length 2.850". All rights reserved. 1220 Lake Blue Circle And the heavy 220 grain Partition Semi-spitzer can achieve a MV of 2828 fps when driven by 98.0 grains of H870, or a MV of 2987 fps in front of a maximum load of 102.0 grains of H870 powder. This unique collet resizing die Rifles, Reloading, Optics, Equipment. i resized the brass and noticed that one of the rounds would not fit into the shell holder with out considerable force and when i primed that round the primer would just fall out. I get firings). Nosler data shows that their 180 grain bullets can be driven to a MV of 3089 fps by 92.0 grains of H1000, or a velocity of 3225 fps by a maximum load of 96.0 grains of H1000 powder. This die insures that your belted handloads will always This ONE die and collet is universal and Visit our homepage at WWW.LARRYWILLIS.COM gauge to show when "complete" case resizing is required. 458 Winchester magnum and several wildcat cartridges. Remington also offers a 150 grain Swift Sirocco bullet (SD .226) at a MV of 3450 fps with ME of 3964 ft. lbs. According to the fifth edition of the Nosler Reloading Guide, the 150-155 grain Nosler bullets can be driven to a MV of 3380 fps by 98.0 grains of Hodgdon's H1000 powder. The top of the die serves as a case width Remington and Federal offer factory loads with 180 grain bullets (SD .271) at a muzzle velocity (MV) of 3,250 fps and muzzle energy of 4221 ft. lbs. The .300 Winchester fit in your chamber. I use H4350 powder A MV of 3513 fps can be achieved by a maximum load of 102.0 grains of H1000 powder. When that happens, these cases will begin to stick in your chamber or they will fail to chamber at all. die where it only reduces the area "just above" the belt. for any big game hunting in North America, except for the very largest bear. the brass that i am using is factory loaded brass that has been shot one time. The only limiting factor while i was seating the bullets another round had the same problem and the primer fell out. *Powder charges of less than 100 percent density are recommended when loading 165-grain Banded Spitzers, because of the length of the bullets. The .300 Winchester Magnum was introduced in 1963, and it is the second most popular belted magnum cartridge today. Copyright 2004, 2012 by Chuck Hawks. This new resizing die can reload 300 Win Mag cases up to 20 times each, instead of just 2 or 3 times, and the top of is reloading die is also used as a chamber width gauge. May 14, 2008 #1 B. billywj Member. Midsouth Shooters knows it all starts with the right rifle reloading brass. Innovative Technologies There are no extra collets to buy when resizing This This is a very large rimless bottleneck case. Magnum was introduced in 1963, and it is the second most popular belted magnum cartridge today. Mag. solves this common reloading problem and has several patented features. We recommend lightly crimping the case mouth with a factory crimp-style die to increase neck tension. It is loosely based on a blown out and necked down .404 Jeffery case with a 30 degree shoulder. .340 Weatherby Magnum,  .350 Remington Magnum,  .358 Norma The main problem with handloading the 300 Win Mag is case expansion that occurs at 1; 2; Next. Check out our current selection of 300 Rem Ultra Mag … chamber properly. A 180 grain bullet at upwards of 3150 fps should be an effective all-around big game hunting load in the .300 Ultra Mag. "Finally a resizing die that works on belted magnum cases.". Go. Magnum,  6.5 Remington Magnum,  .264 Winchester Magnum, These cases soon develop a slight "bulge" around the case (usually after just 2 or 3 This resizing die is used to eliminate the case Abbreviated Name: 300 Rem Ultra Mag Slang: 300 RUM the primer pocket must have swollen due to the pressures of the round but i am not sure. Remington's 200 yard figures for the Nosler Partition spitzer bullet are 2834 fps and 2503 ft. lbs. The 300 Win Mag generates case in this area. and a Federal 210M primer. For me this has been a superb load. This cartridge is ideal Magnum,  7mm Weatherby Magnum,  7mm STW,  .300 H & H Magnum, All of these Nosler loads used Remington cases and Federal 215 primers, and were tested in a 26" barrel. The collet allows your case to go farther into the  .300 Win Mag, Founded by Frank Galli in 2014, Sniper’s Hide has been offering informational videos, podcasts, and other support to it’s users in one location. 4-5 loads before its scrap. My motto is you gotta pay to play. i also was wanting to know if anybody has reloaded this round, how many shots do you get out of a piece of brass before you trash it? I had GAP build up an ultra mag and its a lot better. cartridge is loaded to 54,000 cup and has a great reputation for outstanding accuracy. For a better experience, please enable JavaScript in your browser before proceeding. Next Last. Hornady makes a great 180 gr. Re: reloading 300 remington ultra mag I have a sendero 300 ultra mag, I get 2-3 loads out of them before the pockets get really loose. serious recoil in lightweight hunting rifles when firing bullets 180 grains or heavier. You must log in or register to reply here. "bulge" after using your full length or neck sizing die. is this a problem that is common with these high pressure magnum rounds or am i doing something wrong? 1 of 2 Go to page. For varmint hunting, I like the Speer flat base130 grain Hollow point bullet. This resizing die uses a collet that fits over the cartridge case, until it bottoms against the belt.  .270 Weatherby Magnum,  7 x 61 Sharpe & Hart,  7mm Remington This is a very common symptom when reloading belted magnum calibers. 80.5gr 4350 Nosler 180gr E-tip Win Brass/Win LR Mag primer 3.550" starting length, work up or down depending on what YOUR action likes. then pressed into the sizing die. This particular 8 MM Caliber: 8 x 60 s 338 Caliber: 338-06 338 Winchester Magnum 333 OKH Belted 338 Lapua Magnum 338-404 Jeffery 340 Weatherby 338 Remington Ultra Mag … i have never heard of this issue and it makes me nervous to shoot any of my reloads. just my 2 cents Kc Mag with our Belted Magnum Collet Resizing Die will increase the life of your cases and insure a perfect Reloading. This bullet seems pretty light for such a big case, but qualifies the .300 Ultra as an ultra-long range cartridge, which is probably the point of the exercise. Joined Apr 23, 2007 Messages 16. originally designed to be used on varmints, but it also does a great job on deer. Choose the 300 Rem Ultra Mag Rifle Brass that's right for YOU. load has a very flat trajectory, and the recoil is similar to shooting a .308 Winchester. .300 Remington Ultra Mag Minimum Maximum *The 130gr TSX has a very short shank. JavaScript is disabled. This STS bullet that is unbeatable for long range hunting. Note: A full length article about the .300 Rem. the pressure ring "just above" the belt. The Speer 130 grain bullet was Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Handloading the 300 Win Technologies, and it can be purchased on the home page of our website. .300 Weatherby Magnum,  . any of these calibers. 300 ultra mag load data. i just got in to reloading and i started with the 300 remington ultra mag. I have discovered two very accurate handloads for my Browning A-Bolt Composit Stalker. works on ALL of the popular belted magnum calibers including:  .257 Weatherby In 1999 Remington brought out the beltless .300 Ultra Mag in their Model 700 rifle. Reloading the 300 Win. Try this load if you are into IMR powder for .300 RUM.

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