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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 140 Hornady SST
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<blockquote data-quote="Matt27" data-source="post: 35357" data-attributes="member: 781"><p>Jerry & Milanuk</p><p></p><p>I will have a 30" Mike Rock barrel for my .260(6.5-08). 308 Lapua brass necked down. With speaking with mike for quite awhile about his barrels he said people are getting 75-100fps more with his barrel at the same barrel length or 2" less with his equals the same velocity as a 2" longer barrel. </p><p></p><p>Now i am not dead set on 3000 and am not going to blow myself up or try for that speed and ruin brass in 2 firings. Like i said i am getting 2800fps with my 24" barrel now and my brass has been loaded 8times now.Now add 75-100fps more i am at 2900 and then add 6 more inches of barrel length. Mike also thought i would be able to achieve the 3000 mark. It would be great to get there but if not 2900 is not out of the relm and probably will be able to use less powder to achieve that speed.</p><p></p><p>I am also not loading to fit the Magazine. Single shooting. My overall for the 139's is 2.880" and for the 140's is 2.905". Both the base of the bullets are at the same spot when loaded. Right at the body and shoulder juncture.</p></blockquote><p></p>
[QUOTE="Matt27, post: 35357, member: 781"] Jerry & Milanuk I will have a 30" Mike Rock barrel for my .260(6.5-08). 308 Lapua brass necked down. With speaking with mike for quite awhile about his barrels he said people are getting 75-100fps more with his barrel at the same barrel length or 2" less with his equals the same velocity as a 2" longer barrel. Now i am not dead set on 3000 and am not going to blow myself up or try for that speed and ruin brass in 2 firings. Like i said i am getting 2800fps with my 24" barrel now and my brass has been loaded 8times now.Now add 75-100fps more i am at 2900 and then add 6 more inches of barrel length. Mike also thought i would be able to achieve the 3000 mark. It would be great to get there but if not 2900 is not out of the relm and probably will be able to use less powder to achieve that speed. I am also not loading to fit the Magazine. Single shooting. My overall for the 139's is 2.880" and for the 140's is 2.905". Both the base of the bullets are at the same spot when loaded. Right at the body and shoulder juncture. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 140 Hornady SST
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