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Rifles, Reloading, Optics, Equipment
Reloading
Help me choose a neck bushing for my Redding Die
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<blockquote data-quote="dmproske" data-source="post: 239442" data-attributes="member: 10838"><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">I am loading for a Remington Sendero in .300 RUM. Factory barrel. I started with a RCBS neck size set and am having problems getting under 1.5" at 100</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">I decided to get the best dies possible to get that problem out of the equation. I purchased a set of Redding Type S match bushing neck die set with the body die in it.</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">When I ordered the dies I selected a .334 bushing. I think that is where I screwed up, not sure what I measured that day.</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">Once fired cases out of my rifle have less than .001 variation as measured by my Sinclair concentricity gauge.</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">Today I used the dies for the first time. I sized three of the once fired cases and wound up with .004-.007 neck runout!!</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">I thought maybe I got a too small bushing and measured two boxes of factory ammo. Once box measured .338-.339 outside neck diameter. The other box of a different brand measured .336-.338 outside neck diameter.</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">I measured neck thickness of a handful of my cases with my RCBS caliper and came up with .0015-.0018.</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">Using this information, it looks like I might need a little larger bushing like say a .337.</span></span></p><p> </p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">Will using a too small bushing cause that much neck runout?</span></span></p><p> </p></blockquote><p></p>
[QUOTE="dmproske, post: 239442, member: 10838"] [FONT=Times New Roman][SIZE=3]I am loading for a Remington Sendero in .300 RUM. Factory barrel. I started with a RCBS neck size set and am having problems getting under 1.5” at 100[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]I decided to get the best dies possible to get that problem out of the equation. I purchased a set of Redding Type S match bushing neck die set with the body die in it.[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]When I ordered the dies I selected a .334 bushing. I think that is where I screwed up, not sure what I measured that day.[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]Once fired cases out of my rifle have less than .001 variation as measured by my Sinclair concentricity gauge.[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]Today I used the dies for the first time. I sized three of the once fired cases and wound up with .004-.007 neck runout!![/SIZE][/FONT] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]I thought maybe I got a too small bushing and measured two boxes of factory ammo. Once box measured .338-.339 outside neck diameter. The other box of a different brand measured .336-.338 outside neck diameter.[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]I measured neck thickness of a handful of my cases with my RCBS caliper and came up with .0015-.0018.[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]Using this information, it looks like I might need a little larger bushing like say a .337.[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]Will using a too small bushing cause that much neck runout?[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3][/SIZE][/FONT] [FONT=Times New Roman][SIZE=3][/SIZE][/FONT] [/QUOTE]
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Help me choose a neck bushing for my Redding Die
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