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Rifles, Reloading, Optics, Equipment
Reloading
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<blockquote data-quote="AZShooter" data-source="post: 1818693" data-attributes="member: 5219"><p>Highlight the entire FL sized case with layout fluid or a sharpie. Cycle it through the chamber and look for rubbed off areas. </p><p></p><p>It would be nice to check headspace with a go and no go gauge set. </p><p></p><p>As for gaining more sizing ability, grind off a significant portion of the top of the shell holder and FL size again. You won't hurt the shellholder. Shell holders are cheap. If you grind off the end of the die there will be a burr formed at entrance that must be addressed. Dies are case hardened so grinding, sanding and polishing won't be as easy as grinding off material from the shell holder. An easy way to grind off shell holder is to hold it in vice grips and gently push it against the side of the grinder wheel which will keep it flat. Or if you have a belt sander use it instead. Cool off frequently. </p><p></p><p>There is another possibility. The base of the case is not being sized enough for easy chambering. I have encountered this with the 338 RCM, which is a twin to the 6.5 PRC from the shoulder to base. IMO the base is quite thick and often won't size properly because of springback. I tried Hornady dies, RCBS dies and even had Whidden make me a custom die set. The tightness still existed! I took the RCBS die and chucked it up in my lathe. Used a carbide tool bit to cut through the case hardened surface and removed the top and bottom of the die. This made a small base sizing die. Problem solved.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1818693, member: 5219"] Highlight the entire FL sized case with layout fluid or a sharpie. Cycle it through the chamber and look for rubbed off areas. It would be nice to check headspace with a go and no go gauge set. As for gaining more sizing ability, grind off a significant portion of the top of the shell holder and FL size again. You won't hurt the shellholder. Shell holders are cheap. If you grind off the end of the die there will be a burr formed at entrance that must be addressed. Dies are case hardened so grinding, sanding and polishing won't be as easy as grinding off material from the shell holder. An easy way to grind off shell holder is to hold it in vice grips and gently push it against the side of the grinder wheel which will keep it flat. Or if you have a belt sander use it instead. Cool off frequently. There is another possibility. The base of the case is not being sized enough for easy chambering. I have encountered this with the 338 RCM, which is a twin to the 6.5 PRC from the shoulder to base. IMO the base is quite thick and often won't size properly because of springback. I tried Hornady dies, RCBS dies and even had Whidden make me a custom die set. The tightness still existed! I took the RCBS die and chucked it up in my lathe. Used a carbide tool bit to cut through the case hardened surface and removed the top and bottom of the die. This made a small base sizing die. Problem solved. [/QUOTE]
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