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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5/300wsm
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<blockquote data-quote="sambo3006" data-source="post: 156446" data-attributes="member: 2740"><p>I have played around with mine a little (when I am not changing diapers!) with the 129 gr SST moly coated shot through a 26" Lilja barrel on a Savage action. Norma 270 WSM brass and Federal 215GM primers.</p><p></p><p>I was hoping for 3300 fps and worked up 1 grain at a time with 7828SSC. Temp was 70 degrees. 66 gr gave me 3318 fps but there were light extractor marks on the case head and primer was flat. Bolt lift was easy but that still sounds like too much pressure for me. </p><p></p><p>I switched to H1000 and again went up 1 grain at a time. 64 grains gave me 3200 fps with round primer and no extractor marks. Like RedRabbit said, I was gaining around 40 fps per grain with that powder. I intend to load up a couple more of 65 and 66 gr when I get time. I think 3300 fps would be pretty much top end velocity with reasonable pressures and good case life. </p><p></p><p>Accuracy should be very good, as the rounds went on paper almost perfectly in a vertical line for the first 4 powder charges with maybe 0.2" horizontal spread at 100 yds. The last one opened it up to about 0.5" horizontal spread but that one had a mangled nose from being pulled from another case.</p><p></p><p>I intend to try some 130 gr AB's when I get my hands on some, but the SST should be a decent whitetail bullet. Killed one doe with it and it performed nicely on a quartering away shot.</p></blockquote><p></p>
[QUOTE="sambo3006, post: 156446, member: 2740"] I have played around with mine a little (when I am not changing diapers!) with the 129 gr SST moly coated shot through a 26" Lilja barrel on a Savage action. Norma 270 WSM brass and Federal 215GM primers. I was hoping for 3300 fps and worked up 1 grain at a time with 7828SSC. Temp was 70 degrees. 66 gr gave me 3318 fps but there were light extractor marks on the case head and primer was flat. Bolt lift was easy but that still sounds like too much pressure for me. I switched to H1000 and again went up 1 grain at a time. 64 grains gave me 3200 fps with round primer and no extractor marks. Like RedRabbit said, I was gaining around 40 fps per grain with that powder. I intend to load up a couple more of 65 and 66 gr when I get time. I think 3300 fps would be pretty much top end velocity with reasonable pressures and good case life. Accuracy should be very good, as the rounds went on paper almost perfectly in a vertical line for the first 4 powder charges with maybe 0.2" horizontal spread at 100 yds. The last one opened it up to about 0.5" horizontal spread but that one had a mangled nose from being pulled from another case. I intend to try some 130 gr AB's when I get my hands on some, but the SST should be a decent whitetail bullet. Killed one doe with it and it performed nicely on a quartering away shot. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5/300wsm
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