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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 sst (sherman short tactical) arrived
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<blockquote data-quote="elkaholic" data-source="post: 1446989" data-attributes="member: 13833"><p>Here is some more food for thought. Originally, I set the sst up for the 147's at a coal of 2.8 to the lands. I have been running them up to 3105 with 56.8 grs of RL26. Recently a client loaded some 150 Sierra's and took some measurements for me. Because it is far more pointy, and has a shorter bearing surface, it actually fits very nicely in the case with the boat tail being all that is in the case with the bullet seated to the lands. The coal is only 2.899" and bto is 2.180. This should fit just fine in an Alpha mag, especially with a few thou jump. I don't have any data yet but I expect with the shorter bearing surface and less bullet in the case, it may well outrun the 147. I think about 3050' with that bullet should make a mighty good competion rifle! I think we need to start building some 7-7.5 twist sst's</p></blockquote><p></p>
[QUOTE="elkaholic, post: 1446989, member: 13833"] Here is some more food for thought. Originally, I set the sst up for the 147's at a coal of 2.8 to the lands. I have been running them up to 3105 with 56.8 grs of RL26. Recently a client loaded some 150 Sierra's and took some measurements for me. Because it is far more pointy, and has a shorter bearing surface, it actually fits very nicely in the case with the boat tail being all that is in the case with the bullet seated to the lands. The coal is only 2.899" and bto is 2.180. This should fit just fine in an Alpha mag, especially with a few thou jump. I don't have any data yet but I expect with the shorter bearing surface and less bullet in the case, it may well outrun the 147. I think about 3050' with that bullet should make a mighty good competion rifle! I think we need to start building some 7-7.5 twist sst's [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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6.5 sst (sherman short tactical) arrived
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