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Rifles, Reloading, Optics, Equipment
Reloading
Over Pressure
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<blockquote data-quote="Shane Lindsey" data-source="post: 1879089" data-attributes="member: 25831"><p>I do not know anything about RE33, but I heard it is very notorious for a fast carbon ring build up. May start there. I bought a used RUM. I have cleaned the throat out pretty good (no borescope) and it still pressured early with book loads.</p><p></p><p>I am new to the RUM and found I had very high pressure/velocities early. All within Nosler min/max. I am not loading to the lands, but still loading a little longer than book OAL. I think the book min/max are listed for their listed OAL to allow for the freebore of the RUM to reduce pressure. Again IDK, still new to the RUM.</p><p></p><p>I reduced charges down on my last load down to 2gr below book start and got my velocities/pressure to be about what book max velocity was with no pressure signs. Barrel also a Christensen 28". I did not reduce OAL though.</p></blockquote><p></p>
[QUOTE="Shane Lindsey, post: 1879089, member: 25831"] I do not know anything about RE33, but I heard it is very notorious for a fast carbon ring build up. May start there. I bought a used RUM. I have cleaned the throat out pretty good (no borescope) and it still pressured early with book loads. I am new to the RUM and found I had very high pressure/velocities early. All within Nosler min/max. I am not loading to the lands, but still loading a little longer than book OAL. I think the book min/max are listed for their listed OAL to allow for the freebore of the RUM to reduce pressure. Again IDK, still new to the RUM. I reduced charges down on my last load down to 2gr below book start and got my velocities/pressure to be about what book max velocity was with no pressure signs. Barrel also a Christensen 28". I did not reduce OAL though. [/QUOTE]
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