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Rifles, Reloading, Optics, Equipment
Reloading
Cure - Difficult primer seating
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<blockquote data-quote="Pdvdh" data-source="post: 1367254" data-attributes="member: 4191"><p>I'm fire forming 270Win Nosler and 280Rem Norma brass into 280RCBS Improved casings using the COW method.</p><p>Sometimes it's <strong><em>very</em></strong> difficult to seat primers in brand new cases. I used to think it might be caused by shallow primer pockets.</p><p>I use Hornady Unique resizing lube for a number of differing reloading steps. These primers were seating really hard, so I decided to apply some Hornady Unique to a Q-tip and lube the primer pocket sidewalls. Wow! What a huge difference. And they seated down right where they should be. Around 0.004" down beneath the case head.</p><p>Never heard of this or read of this solution before. Been reloading for 45yrs. I'll continue this practice when I encounter overly tight primer seating.</p><p>Yeah, I hear the concern over primer contamination. I'm not worried. It's wax. Not oil. And it requires very, very little. Just a thin film. </p><p>80% of the resistance to seating was friction between the primer and pocket sidewall.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1367254, member: 4191"] I'm fire forming 270Win Nosler and 280Rem Norma brass into 280RCBS Improved casings using the COW method. Sometimes it's [B][I]very[/I][/B] difficult to seat primers in brand new cases. I used to think it might be caused by shallow primer pockets. I use Hornady Unique resizing lube for a number of differing reloading steps. These primers were seating really hard, so I decided to apply some Hornady Unique to a Q-tip and lube the primer pocket sidewalls. Wow! What a huge difference. And they seated down right where they should be. Around 0.004" down beneath the case head. Never heard of this or read of this solution before. Been reloading for 45yrs. I'll continue this practice when I encounter overly tight primer seating. Yeah, I hear the concern over primer contamination. I'm not worried. It's wax. Not oil. And it requires very, very little. Just a thin film. 80% of the resistance to seating was friction between the primer and pocket sidewall. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Cure - Difficult primer seating
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