did a little shooting - Graybeard Outdoors
 
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post #1 of 9 (permalink) Old 04-17-2017, 10:30 AM Thread Starter
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Default did a little shooting

sighted in the max, and shot the 3030 for groups. at 50yds, the max gave about 1-1/4" two shot groups with reeds 158....hp. they were spossed to be soft points but thats what i got. the 3030 gave 1" with win 150, 1-1/2 with hornady 140 copper, and get this.....1/2" with 125 federal! however they hit 4" high.
only shot one with the max at 100yds, 1" low, i was surprised.
now i only shot the 150 win at 100 with the 3030, but they printed the same 1" group but 5" high. this was very surprising.
this is some what troubling, that is a big difference in elevation for hunting. and way more than the max.
now those 125 federals are hollow points, i am some what skeptical about using those for deer. has any one used them on deer?
also, being this is an old rifle, is it possible the twist is slower and it likes the short pills?

Mike
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post #2 of 9 (permalink) Old 04-17-2017, 11:01 AM
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A 1:12 .30cal twist will be fine for at least 170gr. bullets and still be fine with lighter. The common 1:10 of a 30-06 is good for heavier bullets and a throwback to the early days of the US Mil 30 cal 'requirements';ie, the 30-40 Krag with a 220. In truth the 1:12 makes a better all rounder for 30's unless yu actually 'need' to shoot those long, heavies for really big game.
I have not checked my Mustang 30-30 twist as it throws whatever I have fed it just fine.
What I think you are experiencing is the rising bullet effect, each bullet weight has a different trajectory and to have your, say, +/- 1" 'point blank'. Sight it in for the midrange of your given bullet to optimize the low/high for your requirements. Sighting in for -0- up close is a good start, and you can guestimate/calc the 100 yd but there is no substitute for real world, on the paper at 100.
FWIW, Id try for +1 at 75-100 then see where it prints at 50 and 125-150 just to know.

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post #3 of 9 (permalink) Old 04-17-2017, 05:51 PM Thread Starter
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yeah gcrank, i will have to do some more work on the 3030 to find a happy medium. i guess i didn't expect that much change between 50 and 100........more used to flater shooting rifles. but, i don't think my inlines are that different.
the max is good for now, i will tweak it further with dad on the trigger since he will hunt with it. i must say, both these rifles are kinda fun to shoot. more so than a 06 lol.

Mike
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post #4 of 9 (permalink) Old 04-17-2017, 05:54 PM Thread Starter
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just to clarify, any of the loads are plenty accurate enough to shoot deer. i guess i was just surprised that the 125s grouped that tight........honestly any thing less than an inch is a bonus as i generally am not that steady lol.

Mike
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post #5 of 9 (permalink) Old 04-19-2017, 05:23 AM
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for some odd reason, I have it stuck in my head that Federal loaded their 125 gr ammo with Sierra HPs

can anyone confirm what bullet is in this ammo?


Oh, and reviews SING PRAISE for the Federal PowerShock with the 125grHP bullet.

ETA: can't find any info online at the moment, but did find they load the 30-06 with the Speer Hotcor 125 gr.

If that is the bullet, I'd have no concerns using it for deer. Might be a little soft for Elk/moose, but would be OK for double lunging them

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Last edited by nanuk-o-dah-nort; 04-19-2017 at 05:26 AM.
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post #6 of 9 (permalink) Old 04-19-2017, 09:05 AM Thread Starter
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think your right there nanuk. i saw those review too, i am just leery of hollow points..........i seem to have trouble understanding the slower rounds. old habits die hard lol.
i wish now i had shot the 125s at 100. will have to go back........not like i don't want to lol.

Mike
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post #7 of 9 (permalink) Old 04-20-2017, 01:49 AM
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I use an online ballistics calculator to compare trajectories

you can manipulate the inputs to get some real good comparisons.

You'd be surprised at how little difference there is when using higher BC heavy slow bullets.

125 gr to 150 gr loses you very little

the higher BC you go, the more forgiving the drop

for a chuckle, check out a Sierra 240gr 30cal at 1000fps.... angle of buck to 120 yds... there is a reason suppressed subsonic is becoming popular

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post #8 of 9 (permalink) Old 04-20-2017, 01:34 PM
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Big and slow may be a rainbow, but it can be a very predictible rainbow. 0 t0 100 should be totally predictable with less than a couple of inches of adjustment needed in either direction, Once past 150 drop starts happening steeper, so the curve is sharper. More holdover is required. The other thing about big and slow is that it can lose a third of its speed for virtually no visible change in what it hits. Momentum carry's the day as long as bullet placement is correct. It has been an interesting journey from small and fast to big and slow. With many interesting things to learn along the way.

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post #9 of 9 (permalink) Old 04-21-2017, 03:55 AM
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a Sierra 240gr at 1000fps is inside a 10" zone out to 120 yds, assuming a 0.000 accurate load

probably good to 110 yds assuming an MOA load

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