Author Topic: .270 what is enough?  (Read 1719 times)

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Offline Deerhunter#1

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.270 what is enough?
« on: May 19, 2012, 01:34:09 AM »
well the 270 in my mind is a great caliber. Plenty of powder, flat shooting, not a ton of recoil. But the question I have is has anyone loaded the 130 grain offerings down to about 2500 ft second with success for the handi. Looking at ballistics I currently load the 130 hornady which has a bc of .405 over 4350. This is pushing 2850 ft second. At 2500 it will still have 1000 lbs of energy and still be traveling 1800 ft second so expansion should be fine out to 300 yards. I would think h4895 would be the powder of choice. Has anyone tried it?

Offline quickdtoo

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Re: .270 what is enough?
« Reply #1 on: May 19, 2012, 05:30:59 AM »
Looking as the 130gr 270W page in the  Hornady 8th it appears they don't show a MV under 2600fps, in the bullet specs info, all but the GMX have a recommended MV of 2800-3400fps, the GMX is 2400-3600fps, so I'd recommend a different bullet for the lower velocity if you care about terminal performance. The Nosler BT has an impact velocity range of 1600-3000fps for instance. You can always contact Hornady and ask their opinion too, they usually get right back to me.

Tim

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Offline mattmillerrx

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Re: .270 what is enough?
« Reply #2 on: May 19, 2012, 06:08:52 AM »
Good advise on the bullets.


H4895 will be a good choice for this.  You may also consider SR-4759.


I do a lot of light loadings for various reasons and have to ask what your goal from this is? 


If you want to reduce recoil you might consider the 110 gn Barnes TSX bullet over H4895 or H4198.  There was an article in the 2009 Hodgdon manual called The Right Start and was a great article on reduced loads.  The loads for the 270 run about 2700fps-2800fps, the 110gn bullet being non-lead have a higher bc than a lead bullet of the same weight.


http://www.hodgdon.com/PDF/H4895%20Reduced%20Rifle%20Loads.pdf


This data is for youth loads and shows the 110 Sierra soft point at a little less than 2600 fps with H4895.


I have both of the loads on my to do list and bought the components a couple of years ago but keep having other projects take priority.  I just keeping having new projects take priority over these.  PM me if you want more data on that article.


Offline Deerhunter#1

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Re: .270 what is enough?
« Reply #3 on: May 19, 2012, 07:12:02 AM »
I contact hornady previously and was told that 1800 was the lowest they would recommend for that that bullet. It will be traveling at that speed still at 300 and in all reality i will never shoot over 200 so would put the velocity about 2100 at that point. I wanted to take advantage of the high weight bullet and the high bc for holding speed and energy. H4895 has a listed min load of 42 as listed on Hodgan powder site for 2780 out of a 24" barrel. Max of 45. With the ability to do reduced loads of up to 60 percent I was thinking 39-40 would have me where I wanted to be. I do have some 110 sierra pro hunters and they shot ok with the listed reduced load but if I am going that light I might as well use my 243 with 100 grainers going 3000. My main objective was to lower powder which would give a little less muzzle jump yet give me plenty of powder out to atleast 200.

Offline bikerbeans

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Re: .270 what is enough?
« Reply #4 on: May 19, 2012, 07:34:03 AM »
DH#1,
 
If you work up a reduced load with H4895 & the 130 Hornady SPs please post your results.  I just finished working up a reduced load with H4895 in the 243 and it work out fairly well.  I have been thinking of doing the same with the 270W.
 
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Offline quickdtoo

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Re: .270 what is enough?
« Reply #5 on: May 19, 2012, 08:30:01 AM »
If Hornady says 1800fps min impact speed, go for it, QL predicts 41.5gr H4895 will get you 2511fps MV, the Hornady Ballistic calculator says it's good well past 300yds for the 1800fps min.  ;)

Tim

http://www.hornady.com/cgi-bin/ball10.cgi?firearm=Rifle&desc=Hornady+130gr&wght=130&coef=.405&vel=2500&sight=1.5&temp=59&barom=29.53&zero=200&wspd=0&calcbutton=Calculate
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Offline Deerhunter#1

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Re: .270 what is enough?
« Reply #6 on: May 19, 2012, 11:45:37 AM »
biker-
 will do i am chaseing turkey next week so the following week I am going to the range. Just loaded up h4895 starting at 39 to 42 in half grain jumps. Let you know what i get.
just did a recoil calculator and the 2550  ft se load compaired to my regular load 2950 the recoil drops to 9.5 compaired to 13.75. Nice reduction for a gun that is still deer capable to 300.

Offline Darreld Walton

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Re: .270 what is enough?
« Reply #7 on: May 19, 2012, 03:24:13 PM »
Am I missing something, or is recoil reduction the sole reason for trying to find a reduced load?
I told my pap and mam I was going to be a mountain man; acted like they was gut-shot. "Make your life go here, son. Here's where the people is. Them mountains is for Indians and wild men." "Mother Gue", I says "the Rocky Mountains is the marrow of the world," and by God, I was right. Keep your nose in the wind and your eye along the skyline

Offline ratdog

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Re: .270 what is enough?
« Reply #8 on: May 19, 2012, 08:13:41 PM »
the 270 is a fine deer rifle i have shot deer well over 300 yards when i was younger. wish i still had that gun made by p.o. ackley. ;D

Offline yooper77

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Re: .270 what is enough?
« Reply #9 on: May 19, 2012, 09:10:02 PM »
I am going too try H-4895 and 120 grain Nosler solid base bullet reduced load in my Weatherby Mark V sporter in 7mm-08 Remington for my daughter.
 
I also have some 100 grain Hornady Interlocks and 110 grain Nosler Accubond made for the 6.8 Remington SPC which Nolser says minimum 1800 fps velocity, which I am going too try H-4985 reduced loads in my 270 Winchester for my wife.
 
I get the best performance out of my Ruger M77 MKII in 270 Winchester wearing a 22 inch barrel with IMR-4831 and any 150 grain bullet, less Barnes bullets of course.
 
yooper77

Offline Deerhunter#1

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Re: .270 what is enough?
« Reply #10 on: May 20, 2012, 12:48:01 AM »
The main goal is to reduce a little muzzle jump but make sure it still has good killing power for my hunting needs when reduced. the reduced recoil is just a benefit which is also fine with me which is why the post says WHAT IS ENOUGH.

Offline Deerhunter#1

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Re: .270 what is enough?
« Reply #11 on: June 11, 2012, 06:09:02 AM »
Well I got to the range today but not the best conditions. Uncovered location. Sunny 74 and 80% humidity !5 mile cross winds. Well the h4895 shot as good if not better than my full house h4350 loads. 40, 40.5 and 41 all shoot the first two touching and the 3rd shot opened to about 1 1/2. Because of the heat I didnt give ample time and shot the 3 shot strings faster than normal. The bullet was seated to factory spec so next time I am going to try different lengths with these loads and see what happens. In any case It gives me what is needed and with a significant powder savings over h4350 in volume almost 13 grains.   

Offline c1skout

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Re: .270 what is enough?
« Reply #12 on: June 11, 2012, 11:41:52 AM »
My Lee modern reloading manual has a good write-up for finding reduced loads.  It's a little too involved for me to describe quickly, but I used the given information to build reduced loads for my 222 that work well for me.

Offline 44 Man

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Re: .270 what is enough?
« Reply #13 on: June 11, 2012, 12:55:09 PM »
Hodgdon says you can use reduced loads of H4895 clear down to 60% of their max listed load for that powder.  So with a 120 bullet you could start with 60% of 45 gr or as low as 27 gr.  Hodgdon warns that you can do this 'reduced loading' with H4895 ONLY.  The other option is to use Trail Boss filling the case to the bottom of the bullet, but that may produce too low a velocity for hunting purposes.  44 Man
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Offline Rustyinfla

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Re: .270 what is enough?
« Reply #14 on: June 11, 2012, 01:11:18 PM »

   The main idea of Trail Boss is reduced loads, it's good at that. Have you considered shooting cast bullets? You might find something in that area that would give you the reduced loads you're looking for.
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Offline Deerhunter#1

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Re: .270 what is enough?
« Reply #15 on: June 11, 2012, 01:16:03 PM »
the 39 to 41 grain loads shooting well is just what i was looking for. 24 to 2500 ft second and still plenty for deer with good bullet performance. Thanks for the info

Offline 44 Man

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Re: .270 what is enough?
« Reply #16 on: June 12, 2012, 09:46:55 AM »
Those velocities sound just like my 30-30 w/125 gr bullets and that works.  :)   44 Man
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Offline Deerhunter#1

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Re: .270 what is enough?
« Reply #17 on: June 12, 2012, 10:27:08 AM »
yeah the difference is the high bc at .405 of the .270 bullet. Speeds are in line with each other at 40 grains i should be at 2575 with the .270 and h4895 or 25 ft sec either way as i dont have a chrony. the start load is 2732 per hodgan site with 24" barrel mine is 22 so say 50 ft lost and 50 ft per grain. Tht said at that speed it still has 1150 ft lbs energy at 300 yards which is a little above 243 100 grain loads but with a 30 % increase in weight and larger diameter bullet. Its going to be a hrad decision come deer season. 30-30,243, 357 max, 270. PA season is two weeks so I will take a different one each time out i quess. or draw straws. :) 

Offline wganz

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Re: .270 what is enough?
« Reply #18 on: June 13, 2012, 02:43:58 AM »
Check on what is being used with the 6.8 SPC which is a .27" chambering to see what is successful there.

Offline Deerhunter#1

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Re: .270 what is enough?
« Reply #19 on: June 13, 2012, 03:00:38 AM »
Hit the range today to test the load again before i do a bulk loading. Im happy.

Offline ihookem

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Re: .270 what is enough?
« Reply #20 on: June 13, 2012, 02:36:40 PM »
I've loaded .270 Win. below min. with IMR 4064 130 gr. bullets with good results. I did it cause I damaged so much deer meat. I figured a 30-30 can do it so a reduced .270 can too. It still ruined just as much meat so I stick with 1 load now .