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Rifles, Reloading, Optics, Equipment
Reloading
Belted Magnum questions for you guys..
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<blockquote data-quote="AtownBcat" data-source="post: 616688" data-attributes="member: 15385"><p>Today I have had to throw away(in the bucket for recycling), 150 pieces of RWS Brass. It had all buldged at the area right above the belt to .512-.514, new brass is .507.(Using the blade or knife portion of my calipers right under the belt.) I had been having trouble with a sticky bolt, but not heavy from the bottom but almost stuck at the very end of the bolt lift. My brass had only been fired 3 times. I believe this was caused because of a couple things.</p><p> 1. My load is on the warm side 77.7 retumbo 210/208 burger/Amax both shot great. CCI Mag Primer. Neither bullet actually touching the lands. The primers are pretty flat but I didnt have loose pockets and there was no ejector mark.</p><p>2. I have been pushing my shoulder back way to far. According to my new(and bad ***) headspace guage that I got from Innovative Technologies, I have been pushing the shoulder back .0075. This was happening because I was trying to get my redding body die as low as possible to get as close to the belt as possible. I also bought a special collet die for belted magnums from Innovative Technologies, but the max that can be saved is .511 and all my brass was past that point.</p><p> </p><p>So I need to buy new brass and start over so I wanted to see what you guys with belted magnums are doing about this issue. What brass seems to hold up the best for you? I thought RWS because of the thickness would have been the toughfest and maybe it is but I was over working it.(I was shocked to learn the first time you shoot virgin brass it as .020 clearance at the shoulder)I know Lapua isnt doing 300WM any more...</p><p>I know a few of you guys have suggested h1000 but this gun is shooting .3 moa groups consistantly and I really hate to start from scratch again...</p></blockquote><p></p>
[QUOTE="AtownBcat, post: 616688, member: 15385"] Today I have had to throw away(in the bucket for recycling), 150 pieces of RWS Brass. It had all buldged at the area right above the belt to .512-.514, new brass is .507.(Using the blade or knife portion of my calipers right under the belt.) I had been having trouble with a sticky bolt, but not heavy from the bottom but almost stuck at the very end of the bolt lift. My brass had only been fired 3 times. I believe this was caused because of a couple things. 1. My load is on the warm side 77.7 retumbo 210/208 burger/Amax both shot great. CCI Mag Primer. Neither bullet actually touching the lands. The primers are pretty flat but I didnt have loose pockets and there was no ejector mark. 2. I have been pushing my shoulder back way to far. According to my new(and bad ***) headspace guage that I got from Innovative Technologies, I have been pushing the shoulder back .0075. This was happening because I was trying to get my redding body die as low as possible to get as close to the belt as possible. I also bought a special collet die for belted magnums from Innovative Technologies, but the max that can be saved is .511 and all my brass was past that point. So I need to buy new brass and start over so I wanted to see what you guys with belted magnums are doing about this issue. What brass seems to hold up the best for you? I thought RWS because of the thickness would have been the toughfest and maybe it is but I was over working it.(I was shocked to learn the first time you shoot virgin brass it as .020 clearance at the shoulder)I know Lapua isnt doing 300WM any more... I know a few of you guys have suggested h1000 but this gun is shooting .3 moa groups consistantly and I really hate to start from scratch again... [/QUOTE]
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Belted Magnum questions for you guys..
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