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Rifles, Reloading, Optics, Equipment
Reloading
375H&H, 250 Sierra, R17, velocity results
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<blockquote data-quote="memtb" data-source="post: 1364316" data-attributes="member: 75451"><p>It certainly works with 250 TTSX's in my AI. Got to 3160 fps, but groups were starting to open up.... backed her down to 3130 fps. Decent groups, no obvious pressure signs. Did some cold weather testing, with the 270 TSX ( load development was done at 90 and above) prior to going to the 250's, and found no velocity loss and great accuracy. </p><p></p><p> The test: ambient temp. at start -4 F and end -3 F, left ammo and rifle outside for about 2 hours prior to test. Haven't done any cold weather testing with the 250's yet, but hoping for and expecting similar results.</p></blockquote><p></p>
[QUOTE="memtb, post: 1364316, member: 75451"] It certainly works with 250 TTSX’s in my AI. Got to 3160 fps, but groups were starting to open up.... backed her down to 3130 fps. Decent groups, no obvious pressure signs. Did some cold weather testing, with the 270 TSX ( load development was done at 90 and above) prior to going to the 250’s, and found no velocity loss and great accuracy. The test: ambient temp. at start -4 F and end -3 F, left ammo and rifle outside for about 2 hours prior to test. Haven’t done any cold weather testing with the 250’s yet, but hoping for and expecting similar results. [/QUOTE]
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Forums
Rifles, Reloading, Optics, Equipment
Reloading
375H&H, 250 Sierra, R17, velocity results
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