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Rifles, Reloading, Optics, Equipment
Reloading
A little stumped load development virgin brass vs once fired
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<blockquote data-quote="ripzip" data-source="post: 2451487" data-attributes="member: 119454"><p>Ok so I was working on a load with virgin brass for my 6.5 PRC. Found a good node at 3125 with 153 Atip, 60gr of Retumbo, and Winchester Mag primers. Prepped my 1 fired brass I dropped down to 59.5gr and immediately got pressure signs, heavy bolt lift ejector marks and flattened primers. Went home and decided to start my load work up again. Now I get pressure signs with anything above 57gr of Retumbo and velocity only 2970. Barrel is clean with no carbon ring, checked with bore scope. I'm stumped as I was really happy with 3125 but now my good node is only at 2950. That's a big drop in velocity.</p></blockquote><p></p>
[QUOTE="ripzip, post: 2451487, member: 119454"] Ok so I was working on a load with virgin brass for my 6.5 PRC. Found a good node at 3125 with 153 Atip, 60gr of Retumbo, and Winchester Mag primers. Prepped my 1 fired brass I dropped down to 59.5gr and immediately got pressure signs, heavy bolt lift ejector marks and flattened primers. Went home and decided to start my load work up again. Now I get pressure signs with anything above 57gr of Retumbo and velocity only 2970. Barrel is clean with no carbon ring, checked with bore scope. I'm stumped as I was really happy with 3125 but now my good node is only at 2950. That's a big drop in velocity. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
A little stumped load development virgin brass vs once fired
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