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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Ultra 220gr SMK data with RL25 and Retumbo from Sierra
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<blockquote data-quote="Brent" data-source="post: 24173" data-attributes="member: 99"><p>Thanks Tim. <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p>I only got to about 87gr with RL25 and the 220 SMK without heading over about 68k psi. No stiff bolt or any other psi signs with RL25 though, groups were showing promise at 87gr too. <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p>Interesting that H870 and AA8700 are so different in max load charge weights...</p><p></p><p>This data of Sierras here, it's one more reason to work up to max, starting from well below it too. My first time out was with a starting load of 88gr RL25, I think I made it to 89gr, went home and pulled all the rest that went up to 92gr, that always bites!</p><p></p><p>I do admit, not too often anymore that this really happens with loading manuals... you never can know though until you start working up a load.</p></blockquote><p></p>
[QUOTE="Brent, post: 24173, member: 99"] Thanks Tim. [img]images/icons/smile.gif[/img] I only got to about 87gr with RL25 and the 220 SMK without heading over about 68k psi. No stiff bolt or any other psi signs with RL25 though, groups were showing promise at 87gr too. [img]images/icons/smile.gif[/img] Interesting that H870 and AA8700 are so different in max load charge weights... This data of Sierras here, it's one more reason to work up to max, starting from well below it too. My first time out was with a starting load of 88gr RL25, I think I made it to 89gr, went home and pulled all the rest that went up to 92gr, that always bites! I do admit, not too often anymore that this really happens with loading manuals... you never can know though until you start working up a load. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Ultra 220gr SMK data with RL25 and Retumbo from Sierra
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