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One of Us |
Can someone please tell me how high I should be at 100 yards to have a zero of 250 with a 300 WSM, shooting 165 nosler PT at 3100 fps? thanks | ||
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one of us |
from Nosler Reloading Guide 5th Edition 165 grain Nosler Partition B.C. = .410 @ a muzzel velocity = 3100fps gives 200 & 300 yard zeros: 200 yard zero: +1.4" @ 100 yards 0 @ 200 yards -6.3" @ 300 yards -18.5 @ 400 yards -37.7" @ 500 yards 300 yard zero: +3.5" @ 100 yards +4.2" @ 200 yards 0 @ 300 yards -10.1" @ 400 yards -27.2" @ 500 yards I'm guessing +2.5" @ 100 yards should give you about a 250 yard zero for the 165gr NP @ MV of 3100fps | |||
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One of Us |
Maxx, try 2.5"... BUT, the only REAL way to know is shoot it at that range. | |||
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One Of Us |
Brad, are you a 'lefty' too? THose are great words of wisdom | |||
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one of us |
I realize some don't have easy access to a range beyond 100 yds and they should be cut a little slack, but it's amazing to me of those who do how 99% of them never even sight in, much less practice beyond 100 yds. It's easy. Place target at desired zero range. Shoot. Go home when they look like this: It's so much more accurate than guessing from a 100 yd group. | |||
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one of us |
Load Data ~~~~~~~~~ Name: .308 Cal, Nosler #16330 Part, 165 grn Ballistic Coeff: 0.410 Bullet Weight: 165 Velocity: 3100 Target Distance: 250 Scope Height: 1.500 Temperature: 70 Altitude: 500 Ballistic Data ~~~~~~~~~~~~~~~ Range Elevation Velocity Energy 0 yds -1.50 in 3100 fps 3521 fpe 25 yds -0.18 in 3042 fps 3390 fpe 50 yds 0.91 in 2985 fps 3264 fpe 75 yds 1.77 in 2928 fps 3141 fpe 100 yds 2.36 in 2872 fps 3023 fpe 125 yds 2.69 in 2817 fps 2908 fpe 150 yds 2.74 in 2763 fps 2797 fpe 175 yds 2.51 in 2709 fps 2689 fpe 200 yds 1.98 in 2656 fps 2585 fpe 225 yds 1.15 in 2604 fps 2484 fpe 250 yds 0.00 in 2552 fps 2386 fpe 275 yds -1.46 in 2501 fps 2291 fpe 300 yds -3.29 in 2450 fps 2199 fpe 325 yds -5.46 in 2400 fps 2110 fpe 350 yds -8.03 in 2351 fps 2024 fpe 375 yds -11.00 in 2302 fps 1941 fpe 400 yds -14.40 in 2254 fps 1860 fpe 425 yds -18.23 in 2206 fps 1782 fpe | |||
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One of Us |
Me older bro is a southpaw... I musta got some of his defective genetic's... | |||
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One of Us |
Maxx, I have the Federal ballistics program and the cartridge you describe would be 2.3" high at 100 yards with a 250 yard zero. | |||
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