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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
140gr Sierra-.270 win
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<blockquote data-quote="budlight" data-source="post: 453813" data-attributes="member: 2939"><p>My old trusty m77 does have a new longer barrel, But i found through days on the range with a chrono is that it like Reloader 22 and large rifle mag primers. I use winchester cases because they have more interior room for powder. </p><p></p><p>For hunting and paper I use the Seirra 140 & 150 SPBT Another good powder for the 150's is IMR 7828 SC again with mag primers like the CCI250 or Win LR mag primers.</p><p></p><p>with R-22 140's my gun can handle about 59 grains with exceptable case life. Of course work up a load.</p></blockquote><p></p>
[QUOTE="budlight, post: 453813, member: 2939"] My old trusty m77 does have a new longer barrel, But i found through days on the range with a chrono is that it like Reloader 22 and large rifle mag primers. I use winchester cases because they have more interior room for powder. For hunting and paper I use the Seirra 140 & 150 SPBT Another good powder for the 150's is IMR 7828 SC again with mag primers like the CCI250 or Win LR mag primers. with R-22 140's my gun can handle about 59 grains with exceptable case life. Of course work up a load. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
140gr Sierra-.270 win
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