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Author Topic: 257 bob or Ai ranges  (Read 782 times)

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Offline Forest Walker

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257 bob or Ai ranges
« on: January 25, 2006, 08:35:58 AM »
Whatkind of range are you getting out of your 257 bob or IA
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Offline Coyote Hunter

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Re: 257 bob or Ai ranges
« Reply #1 on: January 25, 2006, 06:07:36 PM »
Quote from: Forest Walker
Whatkind of range are you getting out of your 257 bob or IA


About 3 miles?

Here’s the data for my 115g Barnes TSX load @ 2958fps”, zeroed for Maximum Point Blank Range for a 6” diameter target (bullet is never more than 3” above/below line of sight):

000 yards = -1.5”, 2958fps, 2234fpe
100 yards = +2.6”, 2747fps, 1927fpe
250 yards = +0.0”, 2449fps, 1531fpe
295 yards = -3.3”, 2372fps, 1437fpe
360 yards = -10.2”, 2242fps, 1284fpe
400 yards = -15.9”, 2170fps, 1202fpe

That’s from a .257 Roberts with +P loads.
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Coyote Hunter
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Offline nomosendero

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257 bob or Ai ranges
« Reply #2 on: January 25, 2006, 06:28:20 PM »
Be careful guys, rough subject, look what happened to me.  :eek:
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Offline JD338

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257 bob or Ai ranges
« Reply #3 on: March 04, 2006, 04:10:35 PM »
My M700 Classic in 257 Roberts is sighted dead on with a 100 gr Nosler BT. My buddy used this rifle with a 115 gr BT to kill a couple of Caribou, 50 yds and 220 yds. Both were one crap kills.

Regards,

JD338
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