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Rifles, Reloading, Optics, Equipment
Reloading
Let's talk about the "dreaded donut"
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<blockquote data-quote="sp6x6" data-source="post: 500919" data-attributes="member: 21869"><p>That is exactly what I am saying,I thought I was minimum on sizing at first adjusting die so bolt just closed easy. This seemed at 4.072. Then at 4x sized I wanted to try 285 hornady.Had checked all brass for easy fit in chamber.Loaded some 285 and started messing with seating.After loading 6 I tried one in chamber, closed very tight. Confused I looked at my seating, first for this bullet. I got coal w/hornady oal gauge. Somewhere in here I DISCOVERED that my brass for gauge jig is 5-6 thousand short of what I THINK chamber to be, these are generic brass .I was using a bushing for a 338 lapua on my comparator. I had my brass that I USED FOR MY min. size,same as just loaded and thought I WOULD MAKE A dumby 300 hyb. to have for seat bullet for later. This fit my chamber fine. Lapu bushing read low on shoulder and is tapered for shoulder. I went to a .375 hornady straight bushing on comparator, and when I SEATED THE hornady the case grew by close to .005, this bushing reads close to neck,read very little 1-2 thousand on shoulder. I used same brass and had to size .005 . past for this bullet to close.When the berger fit original sizing, the berger boatail looked to be above neck junction, hornady below.So I gave up on Hornady. Came home from range and was going to make a new oal brass gauge out of the ,closer fit to chamber fired 4-5 time brass for the hornady coal. Went to drop a bullet down neck and that is when bullet stoped at previous seating depth, which was close to .005 off, but this was before I noticed that the generic brass gauge was .005 short of chamber, checked other gauges and a friend was over with a 300wsm gauge and 2x ired brass and gauge was same deal, inheirant discrepancy . When I SEATED a hornady,past neck case grew .005, with .375 bushing, would have done same with berger, jsut wasnt seating that low.</p></blockquote><p></p>
[QUOTE="sp6x6, post: 500919, member: 21869"] That is exactly what I am saying,I thought I was minimum on sizing at first adjusting die so bolt just closed easy. This seemed at 4.072. Then at 4x sized I wanted to try 285 hornady.Had checked all brass for easy fit in chamber.Loaded some 285 and started messing with seating.After loading 6 I tried one in chamber, closed very tight. Confused I looked at my seating, first for this bullet. I got coal w/hornady oal gauge. Somewhere in here I DISCOVERED that my brass for gauge jig is 5-6 thousand short of what I THINK chamber to be, these are generic brass .I was using a bushing for a 338 lapua on my comparator. I had my brass that I USED FOR MY min. size,same as just loaded and thought I WOULD MAKE A dumby 300 hyb. to have for seat bullet for later. This fit my chamber fine. Lapu bushing read low on shoulder and is tapered for shoulder. I went to a .375 hornady straight bushing on comparator, and when I SEATED THE hornady the case grew by close to .005, this bushing reads close to neck,read very little 1-2 thousand on shoulder. I used same brass and had to size .005 . past for this bullet to close.When the berger fit original sizing, the berger boatail looked to be above neck junction, hornady below.So I gave up on Hornady. Came home from range and was going to make a new oal brass gauge out of the ,closer fit to chamber fired 4-5 time brass for the hornady coal. Went to drop a bullet down neck and that is when bullet stoped at previous seating depth, which was close to .005 off, but this was before I noticed that the generic brass gauge was .005 short of chamber, checked other gauges and a friend was over with a 300wsm gauge and 2x ired brass and gauge was same deal, inheirant discrepancy . When I SEATED a hornady,past neck case grew .005, with .375 bushing, would have done same with berger, jsut wasnt seating that low. [/QUOTE]
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Reloading
Let's talk about the "dreaded donut"
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