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Old December 4, 2019, 06:48 PM   #1
webberwood
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300 win mag bean field load

I recently acquired a Remington 700 bdl in 300 Winchester Magnum. I would like to work up a load for whitetail deer that I could comfortably use out to ~400 yards without much concern for holdover. I don’t always have time to pull out the rangefinder so I’m looking for flattest possible trajectory up to 400 yards. I’m looking pretty closely at the 130 gr Barnes ttsx. Any thoughts on this?
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Old December 4, 2019, 09:50 PM   #2
jimbob86
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G1 Ballistic Coefficient of .35 ..... not stellar ..... even if you push it to 3400 f/sec muzzle velocity, you are still dropping more than a foot from a 200 yard zero. I'd look for a more efficient bullet if you want less holdover.
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Old December 5, 2019, 11:49 AM   #3
TX Nimrod
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All high BC hunting bullets at nominal max .300 WinMag velocities. Velocity trumps BC here. Sighted in 3” high at 100 yards the drop at 400=

125 [email protected] = -8”
150 [email protected] = -9”
165 [email protected] = -11”
[email protected] = -13”

There is no such thing as zero holdover for a 400 yard shot without a long range sightin.


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Old December 5, 2019, 01:37 PM   #4
Don Fischer
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Quote:
Originally Posted by TX Nimrod View Post
All high BC hunting bullets at nominal max .300 WinMag velocities. Velocity trumps BC here. Sighted in 3” high at 100 yards the drop at 400=

125 [email protected] = -8”
150 [email protected] = -9”
165 [email protected] = -11”
[email protected] = -13”

There is no such thing as zero holdover for a 400 yard shot without a long range sightin.


.
Ditto!
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Old December 5, 2019, 02:45 PM   #5
scatterbrain
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Don, what would the drop be at 400 yards if zeroed at 200 yards?
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Old December 5, 2019, 06:19 PM   #6
webberwood
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I also have a 6mm-06 at my disposal but I suspect the drop would be similar even with lighter and significantly faster projectiles.
I’m open to other cartridges as well if there is something that comes close to this. Maybe a 6.5-300 Weatherby would do it?
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Old December 5, 2019, 09:56 PM   #7
GeauxTide
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A 178gr Hornady ELD-X carries a BC of .545, bringing a lot of energy to 400 yards. From Hornady X - 3100fps with a 300 yard Zero. 3.3" high at 100, dropping 9.2" at 400 yards at 2426Velocity and 2327Energy.
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Old December 5, 2019, 09:57 PM   #8
Colorado Redneck
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weberwood
What's the twist on the 6mm-06?
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Old December 5, 2019, 10:06 PM   #9
603Country
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At 3000 FPS, sighted in at 200 yards, you will have a drop of about 7” at 300, 20” at 400, and 40” at 500.

I have a friend that hunts with a 30-378 Wby and uses handloads with 125 gr Ballistic Tips. That load, going on memory, is moving about 3800 FPS. Sighted in at 200, his drops would be about 5” at 300, 15” at 400, and somewhere around 35ish” at 500. Much like my 220 Swift.

Rechecked the 125 gr BT at 3800 FPS. Drops, sighted in at 200, are more like 4”, 12”, and 25”. Dang, that is flat.

Last edited by 603Country; December 5, 2019 at 10:13 PM.
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Old December 5, 2019, 11:26 PM   #10
webberwood
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The 6mm-06 was set up originally for varmints so it has aa 1-10” twist
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Old December 6, 2019, 11:10 AM   #11
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This is what I would do. Use my rangefinder to scout out 50 yard intervals down the range of fire using trees, fence posts etc as landmarks before the deer shows up. Then when Mr Deer comes ambling across you know instantly how much of a hold over you need. Kind of the old fashioned way but that's what I did when I used to hunt my Uncle's apple orchard many years ago. Did not have electronic rangefinders back then. We just paced it off but I bagged severals whitetails that way shooting out to the 250 yard treeline with a 4X Sears and Roebuck scope. Got one with iron sights and a 303 Enfield. I knew exactly how far those rows of apple trees were apart so it was a simple matter.

The KISS theory makes life easy, no need to overcomplicate
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