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  #1  
Old 05-14-2009, 12:59 PM
Jim Z.'s Avatar
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.348 Winchester Load Data?


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Hi Guys,

I just purchased a Winchester Mod. 71 in .348 Winchester. I'm looking for some load data. I have found some, but as we all know powder is hard to find right now. Do any of you guys load for the .348, and what do you use?

I have some reloader 7, Reloader15, IMR 3031,4198,4320, H-322, W748. Anyone use any of these powders?

Thanks for the help.

Jim
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Old 05-14-2009, 02:51 PM
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.348 handloads

THIS INFO IS ONLY SAFE WITH MY RIFLE AND MAY BE DANGEROUS IN YOUR RIFLE.

hello jim

like many, i load the barnes 250 gr flatnose, a wonderful bullet. haven't gotten ahold of any of the new woodleigh 250 gr FN but am looking forward to it as i have had superb results with other woodleigh weldcore bullets.

sorry i have not used any of the powders which you listed. never tried IMR4320 but IMR 4350 was not successful for me. couldn't get over 2175 ft/sec, and standard deviation was large.

didn't try reloder-15 either, but reloader-19 is VERY good. 59.0 gr starting load ought to be 2,225 fps (24" barrel). max in my gun is 61.5 at 2,325 ft/sec but accuracy suffered, so i backed down to 60.7 gr as a compromise between velocity and accuracy.

on the other hand, my 'smith couldn't get over 61.0 in his rifle without sticky extraction and flattened primers, so watch out when you get up around 60.5

W748 was so-so in my gun but W760 is good. start at 53.0 gr @ 2150 ft/sec and work up towards 55.0 gr in small steps. i get 2,225 fps at 55.0 gr with no signs of high pressure. reasonably accurate (ghost ring sights) and case life is good too.

these are fine loads for black bear and for larger wild boar. also ok for timber elk at moderate ranges.

i think the 200 gr bullets are useless.

i highly recommend that you get a Lead Bullets Technologies ("LBT") 250 grain Long Flat Nose Series mould #348-250-LFN. this is a superb quality mould. i cast these at 85% lead, 10% tin and 5% antimony which is hard but not brittle, and is tough. at 2,250 fps you can drive this bullet lengthwise thru a 300 lb black bear.

good luck

Hobes
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  #3  
Old 05-14-2009, 05:45 PM
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I have the Browning M71 but I haven't tried any of the powders you listed. I've shot IMR 4895, 4064, H4831sc, Varget, 4350, and RL-19.

Mine actually wasn't too picky and I got some pretty good groups with the Hornady 200 grn and IMR 4064. It also gave me pretty good groups with the now discontinued 200 grn Barnes X. With the 250 grn Barnes Original, I was getting pretty good results with both H4350 and 4831sc. I was able to get around 2300 fps with both, 4350 gave a slightly better grouping but 4831 gave me same point of impact as the 200 grn. I didn't have as good results with RL-19...yet. But I'd like to tinker with it a little more.
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Old 05-14-2009, 06:28 PM
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Thanks Guys,

I know from the data I have and also from the data Ken Waters produced, W-760, H4895, Varget, are real good. The problem is I CAN"T FIND ANY!!!!!! No one in my neck of the wood has crap. It is driving me nuts, as I am sure it is drtiving everyone else nuts also.

I guess I'll just have to keep looking.

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Old 05-14-2009, 10:58 PM
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The board sponsor, Beartooth Bullets, casts a 245 grain LFN GC. Marshall is backlogged, but the bullets are high quality hand inspected and worth the wait. In the meanwhile, you might slug your bore to help decide what diameter you actually want?

I ran the 250 grain Barnes in QuickLOAD, and it suggests that Reloader 17 would produce near top performance with it. With lighter bullets, the faster powders will do a bit better. Of the powders you listed, it puts 748 on top, but that is a fine ball powder and the case is filled poorly by the maximum load. I would expect to have to deburr flash holes and use magnum primers with it. Next down the list was Reloader 15, followed by 3031. I would suggest the Reloader 15. Try a starting load of about 45 grains and work up with that Barnes bullet.
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Old 05-15-2009, 01:02 PM
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I wish I could use that cast bullet but it says that the Browning throat is too short. I have not tried any of the powders you mention, but maybe I'll have to load some up and see how they do, I think I have all of those on hand except RL-17.
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Old 05-15-2009, 05:06 PM
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Ah! I didn't notice that. Just looked at bullet and nose style. Veral Smith can undoubtedly make a properly adapted profile. If the long nose is desired, perhaps a bore riding design would be justified?
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