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Old August 11, 2015, 08:39 PM   #26
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I load R15 in my 308. It too is a savage and it likes R15. I too stumbled on this one. I Looked at my manuals, started mid range with the Speer Grand Slam 150 grain and it clover leafed. I left it alone and. so far my step son has killed a big 10 and a couple does with it. Knocks 'em dead and it is accurate. I reckon I'm going to give him the gun. God Bless
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Old August 12, 2015, 07:16 AM   #27
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My pet .308 powders are Win 748, and 4064 (4064 "matchstick" just sucks to meter through a traditional powder dump).
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Old August 12, 2015, 04:48 PM   #28
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Hey Metal, Haven't seen any posts from you in a while. Hope all is going well. I'm not against the IMR 4064 or the RL 15. They have been my go to powders for the 150-168 grain bullets. Varget I played with forever but 4064 was my best powder. I had loaded the 178 Amax with all of my powders when I had the Tikka but not much luck. I actually just picked the 2700 fps speed and matched 4064 to it which was low end and laddered up 21 rounds in 3 grain increments. Done the same with H414. I'm not beyond trying them all. The Amax are reasonable at $30.00 a 100 but I'm leaning towards a 175 to 180 in a Nosler hunting bullet. Not sure of the 175 as it seems to only come in match bullets. Reloader 15 has given me best results with lighter bullets. I just happened to have a little Varget and loaded this round up and she was a doozy. I'll buy some more when available but am leaning toward trying the IMR 4166 powder to see if less is really faster and bore actually is cleaner. I've used so many different powders I'm running out of sharpie colors to mark my loads with. I've got plenty of powders to experiment with and my next purchase is a chronograph to see what actual fps is.
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Old August 12, 2015, 04:56 PM   #29
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I too get great results with 4064 and RL15. I've also had some good results with 4320 with heavier bullets.
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Old August 12, 2015, 06:38 PM   #30
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Wendy- You will lose MV with 4166 not gain. I went from 2780 with RL-15 to 2645 with 4166, but yes-It sure does burn cleaner. I also noticed not that the recoil was more or harder, but more snappy then RL-15. I have always used RL-15 and still do, but my first tests with 4166- I can say WOW- It really held in there with no load work up at all.
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Old August 13, 2015, 06:45 AM   #31
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I have found that RL15 is a good powder right there in the burn rate with Varget.
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Old August 13, 2015, 04:26 PM   #32
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I use IMR4064 in both my bolt and semi auto of 308 and no problems.Also both guns have the same twist also, so that helps.Also I found that IMR4064 is easy to find for all the places I been, when powder was hard to find also.I also use this same powder for both jacket and cast bullets.
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Old August 16, 2015, 09:00 PM   #33
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4064 and RE15 are excellent powders for 308.
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Old August 19, 2015, 07:48 PM   #34
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I use a lot of RL 15 with the 178 gr bullets. Also my experience with Varget has been it seems to work best for me when it approaches max loads.
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Old August 25, 2015, 03:19 PM   #35
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After some testing last week I found that in this Savage that IMR 4064 at 4 grains gives me identical groups as 4 grains of Varget did using the 178 Amax. Now I've found Varget and 4064 has disappeared. Go figure. Picked up some IMR 466 today and hopefully get to chronograph and check accuracy over a few loads. Hoping it does well as its plentiful in every store I go to. I really want it to work with 140 smk in my 260. It does best with h4350 and h414 which I am having a hard time finding now. I have one pound of each left.
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Old August 25, 2015, 08:56 PM   #36
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Remember to keep checking gunbot for whatever powder you're searching for. I scored an 8# jug of Varget a short while ago. You gotta move fast when your powder shows up though.
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Old August 26, 2015, 08:11 AM   #37
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For my .308s, N140 seems to produce the best accuracy. It is not easy to find, but I just bought 16 lbs from Brownells/Sinclair so it is available. I use it for my 4 .308s, my .22-250, and my .223 Les Baer (with 69 and 77 grain bullets). I go through a lot of it pretty quickly.

Comparing the results from N140 with Varget, Reloader 15, H4895, IMR 4895, N150, H335, BLC(2) and N540, using 150 grain, 155, 155.5 165, 168, 175, 180, 190 and 200 grain bullets, the N140 powder seems to produce slightly better accuracy than H4895, Varget, and Reloader 15 in that order.
I started years ago using RL-15 and Varget and then switched to H4895 when it produced slightly better results. When I discovered N140, I switched to it because it produced consistently smaller groups than the other powders. I think that the smaller pellet size meters more consistently so the charges have less variation. When you're trying to put all the bullets in a group in the same hole, that makes a difference.

I would also recommend that you try the new Sierra Tipped Match King bullets (#7755, 7768 and 7775 for 155 grain, 168 grain and 175 grain).
They are at the top of my accuracy charts for 5 different .308 rifles that I have recorded data for. They shoot about 0.1 inch or more smaller groups compared the next best bullet in each rifle tested. Two of my rifles prefer 155 and 168 bullet weights, the other two like 175 bullets better. All shoot the TMKs better than anything else. With a variety of N140 powder loads, one of my Savage .308s averages 0.312 for 161 measured groups of the 168 TMKs and another one averages 0.317 for 61 measured groups . The second one also averaged 0.276 with a small sample (11 groups) with 175 TMKs. It seems to prefer 175 grain and heavier weight bullets.
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