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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
The PRC die "problem"
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<blockquote data-quote="BrentM" data-source="post: 2697167" data-attributes="member: 61747"><p>A standard die does not address the issue with lapau and adg that I am aware of. It is cut to saami spec. Your die needs to be undersized another .001-.0015 or you ream it to .533 vs .532, so open it .001. The concept is that your standard will now give you back the .002ish expansion clearance you need. Most brass comes .5295 at the .200 line. After a healthy dose of firing forming the thick brass expands to the chamber and retains that expansion at .5305-.531 with a standard die. To address that, open the chamber to .533 or go with a die that sizes to .530. Some of my brass stayed at .5315 with a standard die and they had to be beat out of the chamber even though the fed into it fire before firing. Before the aw2 reamer was designed I bought the whidden.</p></blockquote><p></p>
[QUOTE="BrentM, post: 2697167, member: 61747"] A standard die does not address the issue with lapau and adg that I am aware of. It is cut to saami spec. Your die needs to be undersized another .001-.0015 or you ream it to .533 vs .532, so open it .001. The concept is that your standard will now give you back the .002ish expansion clearance you need. Most brass comes .5295 at the .200 line. After a healthy dose of firing forming the thick brass expands to the chamber and retains that expansion at .5305-.531 with a standard die. To address that, open the chamber to .533 or go with a die that sizes to .530. Some of my brass stayed at .5315 with a standard die and they had to be beat out of the chamber even though the fed into it fire before firing. Before the aw2 reamer was designed I bought the whidden. [/QUOTE]
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The PRC die "problem"
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