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Rifles, Reloading, Optics, Equipment
Reloading
7mag load help
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<blockquote data-quote="johnnyk" data-source="post: 112198" data-attributes="member: 307"><p>FCW80,</p><p> I tried some 120gr Sierra Spitzer in my 7mag Sendero back in Oct 2000. Didn't have a chrono at the time but the load data was 58gr of IMR 4320 using a Rem case and CCI BR2 primers. Accuracy ran .4015" for 3-shot groups @ 100yds. I did shoot them for groups at 500yds - ONCE. The wind blew them (120's) all over the board. I don't think I've shot them anymore.</p><p> I think you should look at replacing the j-lock bolt shroud assembly. Take that bolt apart and look how convuluted your firing pin spring is. Compare that to a non j-lock bolt. JohnnyK.</p></blockquote><p></p>
[QUOTE="johnnyk, post: 112198, member: 307"] FCW80, I tried some 120gr Sierra Spitzer in my 7mag Sendero back in Oct 2000. Didn't have a chrono at the time but the load data was 58gr of IMR 4320 using a Rem case and CCI BR2 primers. Accuracy ran .4015" for 3-shot groups @ 100yds. I did shoot them for groups at 500yds - ONCE. The wind blew them (120's) all over the board. I don't think I've shot them anymore. I think you should look at replacing the j-lock bolt shroud assembly. Take that bolt apart and look how convuluted your firing pin spring is. Compare that to a non j-lock bolt. JohnnyK. [/QUOTE]
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7mag load help
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