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Rifles, Reloading, Optics, Equipment
Reloading
New Brass Problem
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<blockquote data-quote="Stammster" data-source="post: 2074710" data-attributes="member: 114381"><p>I've got a single stage RCBS supreme press.</p><p></p><p>For seating bullets, I just use the same motion as when resizing and crimping (lee factory crimp die). The handle is completely down and hard stops on the press frame - the press is technically "cammed over". Ie. the top of the press stroke is same as camover, you just don't "feel" the cam over like you do when resizing or using the Lee factory crimp die.</p><p></p><p>Here is the procedure I use.</p><p>- Partially thread seating die into press.</p><p>- Fully stroke ram (with trimmed case inserted) in until it stops in bottomed out "camover" position (aka full ram up).</p><p>- Gently screw in the seating die until it stops on the top of the case mouth, and then back off 1 full turn.</p><p>-Tighten large lock nut on die and tighten grub screw.</p><p>- Adjust seating stem screw / micro-adjust knob for desired bullet seating depth.</p><p></p><p>If you don't go to the presses hard stop when seating bullets, you possibly might not stroke the ram far enough, leaving the bullet seated too shallow.</p><p></p><p>I've being doing it this way successfully for years with RCBS, Hornady, and Redding when initially setting up my seating dies (no crimp).</p><p></p><p>Back to the OP's original question. Maybe the case neck wasn't round, and this interfered with the case being inserted into the seating die properly. However, with even minimal handle force you should have seen damage on the case neck or shoulder.</p></blockquote><p></p>
[QUOTE="Stammster, post: 2074710, member: 114381"] I’ve got a single stage RCBS supreme press. For seating bullets, I just use the same motion as when resizing and crimping (lee factory crimp die). The handle is completely down and hard stops on the press frame - the press is technically “cammed over”. Ie. the top of the press stroke is same as camover, you just don’t “feel” the cam over like you do when resizing or using the Lee factory crimp die. Here is the procedure I use. - Partially thread seating die into press. - Fully stroke ram (with trimmed case inserted) in until it stops in bottomed out “camover” position (aka full ram up). - Gently screw in the seating die until it stops on the top of the case mouth, and then back off 1 full turn. -Tighten large lock nut on die and tighten grub screw. - Adjust seating stem screw / micro-adjust knob for desired bullet seating depth. If you don’t go to the presses hard stop when seating bullets, you possibly might not stroke the ram far enough, leaving the bullet seated too shallow. I’ve being doing it this way successfully for years with RCBS, Hornady, and Redding when initially setting up my seating dies (no crimp). Back to the OP’s original question. Maybe the case neck wasn’t round, and this interfered with the case being inserted into the seating die properly. However, with even minimal handle force you should have seen damage on the case neck or shoulder. [/QUOTE]
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Reloading
New Brass Problem
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