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Rifles, Reloading, Optics, Equipment
Reloading
Picked my Seater die, which FL or Neck die?
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<blockquote data-quote="AZShooter" data-source="post: 1041843" data-attributes="member: 5219"><p>While I understand the friend's suggestion you get a FL die so you can cycle the brass easily, you can do the same thing AND neck size with a bushing. </p><p></p><p>The idea is to size the brass with as little size change/ deformation as possible. This minimizes work hardening. For instance, the typical FL die has an extra tight neck to size down any of the many brands of brass which have different neck wall thicknesses. The sizer ball then opens up the ID of the neck to a particular dimension. RCBS typically uses a .003" difference between a sized neck and a seated bullet. This is sometimes referred to as the neck tension. </p><p></p><p>If you choose a bushing die you can decide how much neck tension to use. Many rifles will shoot more accurately with less tension like .002" or in some instances .001" difference between sized necks and loaded ammo. </p><p></p><p>When using a hunting rifle is it prudent to see if the bullet moves in the case during recoil. I do this by placing a loaded round in the magazine and fire 4 or 5 shots with it in place. I then measure to see if the bullet moves. If there is movement then more tension is required. </p><p></p><p>The fit issue can be resolved by using a FL bushing die or a separate body die. Redding makes both styles. I prefer to use a body die as a separate operation. All you have to do with either die is lower it the appropriate amount so the shoulder and body taper are reduced enough for smooth easy bolt closure. You dial it in to suit your needs. </p><p></p><p>Hope this helps.</p><p></p><p>Ross</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1041843, member: 5219"] While I understand the friend's suggestion you get a FL die so you can cycle the brass easily, you can do the same thing AND neck size with a bushing. The idea is to size the brass with as little size change/ deformation as possible. This minimizes work hardening. For instance, the typical FL die has an extra tight neck to size down any of the many brands of brass which have different neck wall thicknesses. The sizer ball then opens up the ID of the neck to a particular dimension. RCBS typically uses a .003" difference between a sized neck and a seated bullet. This is sometimes referred to as the neck tension. If you choose a bushing die you can decide how much neck tension to use. Many rifles will shoot more accurately with less tension like .002" or in some instances .001" difference between sized necks and loaded ammo. When using a hunting rifle is it prudent to see if the bullet moves in the case during recoil. I do this by placing a loaded round in the magazine and fire 4 or 5 shots with it in place. I then measure to see if the bullet moves. If there is movement then more tension is required. The fit issue can be resolved by using a FL bushing die or a separate body die. Redding makes both styles. I prefer to use a body die as a separate operation. All you have to do with either die is lower it the appropriate amount so the shoulder and body taper are reduced enough for smooth easy bolt closure. You dial it in to suit your needs. Hope this helps. Ross [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Picked my Seater die, which FL or Neck die?
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