,270 reloading help - The HuntingPA.com Outdoor Community
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post #1 of 42 (permalink) Old 10-03-2011, 04:03 PM Thread Starter
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,270 reloading help

i'm kind of stuck on what to do next with my .270 reloading. I am loading for a remington sps .270. I'm shooting hornady SST boattails. I've tried both 130 and 140. for powder i've tried both IMR4350 and H4831sc.

i can not seem to get a group closer then 2 inches at 100yds.

I can shooting factory corelocks at around 1inch at 100yds.

I don't have the data with me. but i took the max load in the hornady book and backed down .5 grams x5. so if it was 62 i did, 62, 61.5, 61, 60.5, 60. for each powder (with their proper max charge).

not sure what to do next, help?!
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post #2 of 42 (permalink) Old 10-03-2011, 05:01 PM
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Re: ,270 reloading help

Back off on your loads you are still up around max loads, all my rifles including my 270 shoot much better groups with mid range loads. Also if sighting in for 100 yards why did you choose a boat tail bullet. I donít go to boat tail unless Iím loading for past the 200 yard mark.
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post #3 of 42 (permalink) Old 10-03-2011, 05:03 PM
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Re: ,270 reloading help

I use "old" H4831 and my max load is 58 grains. Your numbers seem a little high for H4831sc.
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post #4 of 42 (permalink) Old 10-03-2011, 05:18 PM Thread Starter
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Re: ,270 reloading help

just to clarify, i don't know what my loads are (they're at home). i gave the 62 as an example of how i made my loads...

IF 62 was the max, i back down .5 increments.
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post #5 of 42 (permalink) Old 10-03-2011, 05:19 PM Thread Starter
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Re: ,270 reloading help

also, i use boat tails, because i'd like to shoot out to 200-300yds, i'm shooting at 100 now just to work on the group.
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post #6 of 42 (permalink) Old 10-03-2011, 05:34 PM
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Re: ,270 reloading help

I always start out near the minimum load, I work up until my accuracy starts to fall off, keeping an eye on FPS with the Chrony. And signs of excess pressure, Boat tail bullets should be loaded in cases that you have used a VDL chamfer/ reamer. I would also check seating depth. You want the bullet .001 off the lands. Some say not but I believe boat tail bullets are more prone to bullet run out as well if not careful.
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post #7 of 42 (permalink) Old 10-03-2011, 06:04 PM
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Re: ,270 reloading help

I have been playing around with 270 loads a lot lately. I've found 130gr ballistic tips like IMR4831 a lot better than H4831 in my gun. IMR4350 was giving excellent groups with 140gr SST's. I then tried AA3100 with the 140gr SSTs. The groups shrunk a little and it gave a little higher velocity. I have some 140gr Accubonds loaded with AA3100 to try out hopefully this week
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post #8 of 42 (permalink) Old 10-03-2011, 06:44 PM
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Re: ,270 reloading help

H4831 60 grains 130 grain flat based Sierra or similiar bullet, thats the time honored recipe. How many deer do you really shoot at at 300 yards? Not picking at you, but most guys can't hit much at that range. A flat based bullet will perform better at closer ranges than 200 yards, better weight retention. This is a safe load, most guns will take another grain or two without problems, but if it won't group that load the problem is elsewhere.

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post #9 of 42 (permalink) Old 10-03-2011, 07:21 PM
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Re: ,270 reloading help

FWIW, BTs don't offer any realistic advantage until bullet speed drops below the speed of sound....a 130 Sierra FB or Nosler BTip is where to start, bulletwise, in your rifle....

You may want to try Reloder 17 with a 130...it's a great powder in the .270 Win. with a 130...
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post #10 of 42 (permalink) Old 10-04-2011, 09:18 AM
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Re: ,270 reloading help

Quote:
Originally Posted by Zeus50
i'm kind of stuck on what to do next with my .270 reloading. I am loading for a remington sps .270. I'm shooting hornady SST boattails. I've tried both 130 and 140. for powder i've tried both IMR4350 and H4831sc.

i can not seem to get a group closer then 2 inches at 100yds.

I can shooting factory corelocks at around 1inch at 100yds.
I ran into the same thing. The factory green box shoots great in my gun. I'd like to try a couple different powders, but just can't justify buying a pound(s) of powder just to try. The few rounds a year I shoot that gun, I just stick with the green box for now.

Venison - The other fast food
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