Looking for some help for a model 70 .308 load - The HuntingPA.com Outdoor Community
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post #1 of 13 (permalink) Old 04-25-2011, 11:39 PM Thread Starter
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Looking for some help for a model 70 .308 load

Im still somewhat new to reloading. I have been trying to get a good load for a Winchester 70 XTR Featherweight in .308.

I dont have a OAL gauge to measure the depth of the lands, but I sort of made one by cutting the neck of an old casing so the bullet will slide in and out. Then I chambered the round and measured the length of the case and bullet when it was ejected. After doing this several times I came up with 2.945". However the magazine on this gun will only accept 2.845" or smaller, so that is where I started.

Right now Im shooting Nosler 150 grain Accu-bonds, Federal Brass (2.010 OAL), and Fed 210 Primer.

I loaded 5 groups with IMR 4064 ranging from 43 grains to 46 grains @ 2.825" OAL, 3 groups of IMR 4064 from 44 grains to 46 grains @ 2.845" OAL, and 2 groups of IMR 3031 from 41 grains to 42 grains @ 2.845" OAL.

The best group I got out of these was 2.5" (46 grns of IMR 4064 @2.842 OAL) I know this rife can do better then that.

I was hoping someone on here had a load recommendation for a Model 70 in 308. What powder works best for you, how about bullets? Im looking for a load for deer hunting with shots out to 350 yards.

Another question, when you are testing a new load, how do you shoot at the range? Do you start with a clean barrel and clean it after everyshot? Wait for it to cool between each shot? Ect.

Thanks for the help
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post #2 of 13 (permalink) Old 04-25-2011, 11:56 PM
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Re: Looking for some help for a model 70 .308 load

4895 and varget are both typically great in the 308...


many hunting rifles, its fairly common to have to load to "magazine length"..i do like you and usually start at the book COL or the longest that'll function in my magazines and eject live rounds as well..


get your bore sparkling clean..load up a few flyers..i load the same powder with a mild charge somewhere in the middle of the book and shoot 2 or 3..

i let my barrel almost cool completely between shots..

if the gun is a bad fouler, i will clean when needed..sometimes after every group..depends on the gun...

i also dont like playing with deer rifles when its warm out...even with the good powders we got today, im shooting that rifle when its 50 or less..i like to work up my loads when its below 45 degrees out..preferably when its below freezing..thats just me..might be unnecessary...but thats what i do...
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post #3 of 13 (permalink) Old 04-26-2011, 02:04 AM
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Re: Looking for some help for a model 70 .308 load

I wanted to write a reply but Mauser pretty well covered it. And covered it quit well as a matter of fact!!

Especially the part about the magazine length. Tom.
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post #4 of 13 (permalink) Old 04-26-2011, 07:49 AM
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Re: Looking for some help for a model 70 .308 load

good 308 loads link

"No State shall convert a liberty into a privilege, license it, and charge a fee therefor."

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post #5 of 13 (permalink) Old 05-01-2011, 05:30 PM
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Re: Looking for some help for a model 70 .308 load

Varget, I don't know how I ever lived without it!

Alrighty then!
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post #6 of 13 (permalink) Old 05-04-2011, 08:05 AM
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Re: Looking for some help for a model 70 .308 load

I have been fine-tuning my .308 loads in my rifle and have had good luck with 4064 & H4895. I'm going to try Varget next just to compare. The only bullets I've tried in my .308 thus far are the Hornady 150 gr. FMJ-BT and the Hornady 168gr. BTHP. I believe some of my reloads are more accurate than I can hold sometimes as I usually can call some of those "fliers." All loads are seated to 2.750" so they'll feed reliably from the box magazine. Don't base your rifle's performance on just a single bullet or powder combination. I went through a almost a box of Speer 125 gr. TNT's using only W748 and multiple variations of powder charges and it (or I) couldn't do better than 4" @ 100 yds.in my rifle. On night I read on a forum about a particular load using that same bullet with 4064 as being accurate in my style of rifle. I loaded my last 6 bullets with 41.5grs. of 4064, went to the range, and put 6 shots into 2.6", one called flyer out of the cluster, the other five clustered into a group less than an inch. A fluke? Perhaps, but I've learned I have to test, try different variations and shoot a lot before I discover things.

Here are a few of the better groups I fired last Friday using the 150 gr. FMJ-BT:

42grs. H4895 150gr. FMJ-BT


43grs. 4064 150 gr. FMJ-BT


43 - 4064 - 150 gr. FMJ-BT @ 150 yds.
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post #7 of 13 (permalink) Old 05-06-2011, 03:32 PM
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Re: Looking for some help for a model 70 .308 load

Good Link, thanks...later
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post #8 of 13 (permalink) Old 05-06-2011, 03:54 PM
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Re: Looking for some help for a model 70 .308 load

I've always got better accuracy with 168 grain bullets out of my .308. I am shooting 44 grains of IMR 4064, pushing Nosler's ballistic silvertip 168 grain spitzer.

Free Madcatter!
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post #9 of 13 (permalink) Old 05-12-2011, 02:46 AM
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Re: Looking for some help for a model 70 .308 load

Green, DEFINITELY take your time with that rifle. The light barrel will need to cool. If not your groups will be extremely challenging to get to a decent size.
Do you have any idea the twist rate on your rifle? I like 150s in the 308, but for distance a 165/168 might be a better choice.
My fav load as of late is 168 amax or nosler cc with 45.7 of varget and a winchester primer.
Although 44grs of 4064 with a Sierra 150 Pro hunter did well for me awhile back.
Any questions shoot me a pm if you need more help I'm not far from you.
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post #10 of 13 (permalink) Old 05-17-2011, 07:36 PM Thread Starter
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Re: Looking for some help for a model 70 .308 load

Thanks once again for all the help guys

I bought some Varget as well as some Sierra 165 grain spitzers. I havent loaded anything for it for the past couple weeks because I have been really busy. I may load a few up tonight though.

Ghogs, Im not too sure what the twist is, if I had to guess I would say 1 in 12"
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