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Hunting
Long Range Hunting & Shooting
Powder max on .270 Winchester
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<blockquote data-quote="Lefty7mmstw" data-source="post: 1722677" data-attributes="member: 48043"><p>I've got a 27" bbl'd 7stw... she's still only 3350 fps with a 140 bonded... data is usually just below 3300 fps with a 140 bonded using rl25 with a 24" bbl... gotta have a big boiler room and preferably enough bore diameter to get surface area on the tail end of the bullet ... I like to start at 270-7mm and go up from there. My 300 rum is probably my favorite payload pusher but my 375h&h does as much work with 20 grains less powder.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 1722677, member: 48043"] I've got a 27" bbl'd 7stw... she's still only 3350 fps with a 140 bonded... data is usually just below 3300 fps with a 140 bonded using rl25 with a 24" bbl... gotta have a big boiler room and preferably enough bore diameter to get surface area on the tail end of the bullet ... I like to start at 270-7mm and go up from there. My 300 rum is probably my favorite payload pusher but my 375h&h does as much work with 20 grains less powder. [/QUOTE]
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Powder max on .270 Winchester
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