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Rifles, Reloading, Optics, Equipment
Reloading
.257 bee 90gr absolute
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<blockquote data-quote="Hard rock" data-source="post: 2549642" data-attributes="member: 116620"><p>I built a 25-284 last year and started a ladder test with h4350 and pressured out a little early so moved too a little slower powder rl19 with standard 200 lr primers I nearly run out of case capacity but made it too 3874 fps back down too a 3800 fps load safely with 6.5-284 Lapua brass primer posters still tight . All testing done with the 90 gr hammer. A old reloading manual showed max vel with the burn rate in the IMR 4831 burn rate . You might also achieve higher vel with the standard 200 lr primers giving a slower start up pressure with more burn down the barrel with the h4350 before hiring pressure.</p></blockquote><p></p>
[QUOTE="Hard rock, post: 2549642, member: 116620"] I built a 25-284 last year and started a ladder test with h4350 and pressured out a little early so moved too a little slower powder rl19 with standard 200 lr primers I nearly run out of case capacity but made it too 3874 fps back down too a 3800 fps load safely with 6.5-284 Lapua brass primer posters still tight . All testing done with the 90 gr hammer. A old reloading manual showed max vel with the burn rate in the IMR 4831 burn rate . You might also achieve higher vel with the standard 200 lr primers giving a slower start up pressure with more burn down the barrel with the h4350 before hiring pressure. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
.257 bee 90gr absolute
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