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Rifles, Reloading, Optics, Equipment
Reloading
.300WSM Recipe's???
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<blockquote data-quote="victor" data-source="post: 163294" data-attributes="member: 3361"><p>Hey Wambo,</p><p></p><p>What is AA4350, Not familiar with it. Is it a Winchester powder?</p><p></p><p>From past experience of switching out Accubonds and Balistic Tips, I see no difference in my .270Wby. Both bullets have same point of impact, so odds are good that you will have luck with the accubonds. </p><p></p><p>I used up the last of my 180 Accubonds the other day but got a real good group with the last batch. I first used Norma Brass, 210M primers, MRP-69.0, & 180AB and got a 3/4" 3 shot group (100yds). Then I adjusted it a little - MRP-68.8, 180AB, 215M primer, and it shrunk my group to 3/8". When I get my next batch of bullets I will have to repeat that load and chornagraph it. The load with 69.0gr of MRP clocked at 2,989, 3,006 & 3,011 FPS.</p><p></p><p>By the way, I have found that Norma brass has thicker necks than the Winchester. I use a .336 neck bushing. It squeezes the neck just fine on the Norma, but the Win brass seems to go thru without any force at all. There is definitely a difference.</p><p></p><p>One other observation I made was that after firing, something happens to the shoulder where it binds the bolt when I reinsert the empty fired brass in the chamber. I have to use a body die to bump that shoulder back just a tiny bit. The brass goes into the body die without force, but right at the very end, it stops the ram. I could see about a .005 gap between the shell holder and the body die. I then have to put substantail force on the lever to force the brass up into the die. After that operation, the brass cycles into the chamber with ease. </p><p></p><p>I normaly reload Wby loads and I have never had such a situation like this before. With Weatherby's It's the blasted belted rim that always expanded and the primer pockets opened up really fast and shortened case life to about 6 reloads or less. I went to a beltless cartridge to get away from the Wby problems, but it seems every cartridge has its quirks. Do you find that you have to full length resize your 300WSM brass?</p><p></p><p>Ok got run and finish reloading,</p><p>Vic</p></blockquote><p></p>
[QUOTE="victor, post: 163294, member: 3361"] Hey Wambo, What is AA4350, Not familiar with it. Is it a Winchester powder? From past experience of switching out Accubonds and Balistic Tips, I see no difference in my .270Wby. Both bullets have same point of impact, so odds are good that you will have luck with the accubonds. I used up the last of my 180 Accubonds the other day but got a real good group with the last batch. I first used Norma Brass, 210M primers, MRP-69.0, & 180AB and got a 3/4" 3 shot group (100yds). Then I adjusted it a little - MRP-68.8, 180AB, 215M primer, and it shrunk my group to 3/8". When I get my next batch of bullets I will have to repeat that load and chornagraph it. The load with 69.0gr of MRP clocked at 2,989, 3,006 & 3,011 FPS. By the way, I have found that Norma brass has thicker necks than the Winchester. I use a .336 neck bushing. It squeezes the neck just fine on the Norma, but the Win brass seems to go thru without any force at all. There is definitely a difference. One other observation I made was that after firing, something happens to the shoulder where it binds the bolt when I reinsert the empty fired brass in the chamber. I have to use a body die to bump that shoulder back just a tiny bit. The brass goes into the body die without force, but right at the very end, it stops the ram. I could see about a .005 gap between the shell holder and the body die. I then have to put substantail force on the lever to force the brass up into the die. After that operation, the brass cycles into the chamber with ease. I normaly reload Wby loads and I have never had such a situation like this before. With Weatherby's It's the blasted belted rim that always expanded and the primer pockets opened up really fast and shortened case life to about 6 reloads or less. I went to a beltless cartridge to get away from the Wby problems, but it seems every cartridge has its quirks. Do you find that you have to full length resize your 300WSM brass? Ok got run and finish reloading, Vic [/QUOTE]
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