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Thread: Favorite loads, IMR 4064

  1. #1
    Boolit Master
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    Favorite loads, IMR 4064

    What are yours? Jacketed and cast?

    I plan on using it in standard rounds such as 243, 270, 308 and all the military 30 cal cartridges.

    FWIW I just opened a 20 pounder. Thanks, 30CF

  2. #2
    Boolit Master
    Yodogsandman's Avatar
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    43.5 gr IMR4064 under a 165 gr Hornady SPBT in my Mauser FR-8, 7.62x51 (308 Win). Very accurate, bang-flop load. Single digit ES and SD, 2550 FPS/16.5" barrel.

  3. #3
    Boolit Master Hick's Avatar
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    Anywhere from 43 to 49 grains in my M1. 43 grains with either a 150 grain boattail or 110 grain RN makes a very accurate low recoil load (2400 to 2600 fps) and 49 grains gives a good max load-- both very accurate. I've also used 43 grains with a 311284 215 grain GC boolit (and it worked) but it is probably a little too hot for that. I would happily grab a 20 pounder if I ever saw one. As it is, I grab 8 pounders when I can-- just to keep plenty in stock. I've also found good results with lighter loads in my 30-30 and 32 WS. Its a great powder to have around.
    Hick: Iron sights!

  4. #4
    Boolit Master Ithaca Gunner's Avatar
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    48gr in my M-1 under a 150gr Hornady FMJ. W-W brass, W-W LRP. (30-06)

  5. #5
    Boolit Master
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    52 grains with a 150 in my bolt action '06's. 57 grains with110 Vmax for coyotes. Yes, a little overpowered but the hides are worthless here. Much more effect on prairie dogs than a 223 or even a 22-250.

    A case full, compressed according to reloading book guidelines under a good 200 grain RN in the 35 Remington beats factory velocity by a bit and shoots as well as it can in a 336.

    Not mentioned a lot as a 22-250 powder but I like how its bulk fills the case. Favorite powder for lighter bullets in mid sized to '06 sized cases compared to shorter granuled powders to reduce air space in the case. Great under a 75 in the 257 Roberts, for example.

    One of a relatively few rifle powders I buy in 8 lb jugs.

  6. #6
    Boolit Master
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    I use it my 30-30, and 308, but off the top of my head I can't remember the loads.

  7. #7
    Boolit Master
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    Quote Originally Posted by Yodogsandman View Post
    43.5 gr IMR4064 under a 165 gr Hornady SPBT in my Mauser FR-8, 7.62x51 (308 Win). Very accurate, bang-flop load. Single digit ES and SD, 2550 FPS/16.5" barrel.
    Thanks, sounds like one to try in my Rem 600.

  8. #8
    Boolit Master
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    Quote Originally Posted by Hick View Post
    Anywhere from 43 to 49 grains in my M1. 43 grains with either a 150 grain boattail or 110 grain RN makes a very accurate low recoil load (2400 to 2600 fps) and 49 grains gives a good max load-- both very accurate. I've also used 43 grains with a 311284 215 grain GC boolit (and it worked) but it is probably a little too hot for that. I would happily grab a 20 pounder if I ever saw one. As it is, I grab 8 pounders when I can-- just to keep plenty in stock. I've also found good results with lighter loads in my 30-30 and 32 WS. Its a great powder to have around.
    from Ithaca Gunner: 48gr in my M-1 under a 150gr Hornady FMJ. W-W brass, W-W LRP. (30-06)

    I tried a few at 49.0 with military 150 FMK FB in my 03A3 and it seemed ok but I may back it down a bit. Also willing to run it with some 168 Sierra MK's but at a lower level.

    Got the 20# a while ago, haven't seen one since. And I've not been getting in any range time, which is getting fixed at last! As soon as I have some results I'll post it here.

  9. #9
    Boolit Master Ithaca Gunner's Avatar
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    That load has worked out well for me and a few other fellows for some years. When I rebarreled my M-1 I started at 46gr. and began working up, 48 is where I stopped again. It should duplicate G.I. ball pretty close.

  10. #10
    Boolit Master
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    I will try it. In the past it was always IMR 4895 and I got good results with that in my M1 and in different calibers. I'm unsure if I have the Hornady FMJ's but I do have Win and the mentioned FMJ flatbase bullets.

  11. #11
    Boolit Master
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    30-06 48 grs under Hornady 165 gr SP. Was a Ken Waters pet load "for 200 yard paper shooting". Pretty soft, plenty accurate.

  12. #12
    Boolit Master
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    220 Swift 52 gr Burger hp and 36 gr. 4064. Runs 3600, according to Seirra data book. 39 grs. for full house @ 3900.

  13. #13
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    56.0 gr IMR 4064 under either 250 gr Nosler Partitions or 250 gr Speer Hot Cores in the 35 Whelen. 2500 FPS in a 22" barrel and again, single digit ES and SDs. Nice to be able to shoot the cheaper Speer bullets for practice too, they shoot exactly the same!

    57.5 gr IMR4064 under the 200 gr Hornady SP in the 35 Whelen for 2650 FPS/22" barrel. Same single digit ES and SDs.

    43.0 gr IMR 4064 under 95 gr Hornady V-Max bullets in the 6.5X55 Swede.

    These are all the very best loads in my rifles, proven with hundreds of groups well under an inch. YMMV
    Last edited by Yodogsandman; 07-21-2016 at 04:56 PM.

  14. #14
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    I'm using it in the 0-6 under a sierra 150 for stupid small groups in my Bergara rifle right at 2800 fps.
    probably use this combination for deer hunting this fall.
    I'm also using it under 87gr speers in the 25-06 for about 3400 fps.
    I'm using it in something else too but I don't remember what case it is right now.

  15. #15
    Boolit Master Ithaca Gunner's Avatar
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    IMR4064 loads almost anything from .22cf to .45cf and does it well. Maybe not the best powder for all applications, but something useful can usually be found no matter what the cartridge.

  16. #16
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    48 grns pushing pushing a 130 gr sierra game king made my a-bolt .270 a legit moa gun to 300 yds, as far as I've shot. 47.5 gr was 3! A little can make a lot of difference.
    "My main ambition in life is to be on the devil's most wanted list."
    Leonard Ravenhill

  17. #17
    Boolit Master
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    4064 was my favorite powder for 22-250. 34 gr behind a a 53 Sierra HP is an excellent accuracy load. My Ruger 77 is consistently under 1/2 MOA with it.

  18. #18
    Boolit Master
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    A lot of good stuff here.

    I hadn't thought of the 22 CF's much but a friend who shot NRA hi power had a load that did well in a HBV 9" 223 win bolt with 80 grain Sierras. It was the only powder that would run well with the heavy bullets.

  19. #19
    Boolit Master
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    Speaking of the 22 center fires, 4064 was quite popular in the early days of the 220 Swift.

    A buddy switched from 4064 to RL15 when it came out. Easier measuring was a big reason I'm sure. With 4064, I just weigh/trickle and deal with it. If I was using a progressive, I'm sure I would feel differently.

  20. #20
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    From its introduction many years ago now, 4064 has been widely touted as a very accurate and stable, reliable, repeatable powder. I've used it in '06 and .270. In '06, 52 gr. in strong bolt actions with most any 150 gr. J-bullet was a standard load for many decades now. Accuracy might be best at a little over or under that (be VERY careful if you go over that, because many guns show this to be a practical maximum load!) but that's the classic load for 150's in '06. I can't recall the exact charge wt. but I believe it was about 48 gr. in the '06 with 180 JSPs of most any make. Beware of using any of these loads with the solid copper bullets, as some can increase breech max. pressures.

    In .270, I used 49 gr. with 130's, and a bit more (was it 51 gr?) with 110's. Don't recall trying it with the 150's. 4350 did much better there is all I can recall. It was always satisfyingly accurate in .270, but 4350 gave more velocity and a tad better accuracy in the guns I've had in that caliber.

    Also used it in 6mm. Rem., with 75-85 gr. bullets, and it was always accurate there. Especially with the lighter bullets. Excellent powder. The long sticks make measuring a tad harder, but nothing that can't be contended with if you learn to tap the handle of your powder measure the right number of times, and with just the right amount of force, to settle things inside the measure and keep your charges more consistent.

    Col. Hatcher noted a curious thing back when he was in charge of Springfield Armory, the original gov't installation, not the current commercial one. He was asked to create extra accurate ammo for the Army marksmanship units, and he tried weighing the powder charges rather than volumetrically dumping them as was used on their loading machines. In trials, though, those weighed loads proved LESS accurate than the volumetrically charged ones from the machines! This was a puzzlement to him, and he concluded, and most agree, that the reason was that the dumped charges bulked up more, very consistently, and that probably allowed the flash of the primer to penetrate deeper into the powder charge, thus providing more uniform ignition of the charge, and thus, better accuracy. As far as I know, this is the best and maybe only explanation for the seemingly contradictory results he got, but he repeated the tests several times, believing something was amiss, but always got the same results.

    Reloading is full of counter-intuitive things, and this is just one of them. Many complain about 4064's long grains, but in reality, most would do well to go out and try it before panning it out of what seems at first to be "logic." It's easy to forget we often don't have all the info we need, even when we think we do. I can't recall anyone complaining about the performance of 4064, unless they were using it in a magnum and weren't getting quite the velocity they expected. That will always take a slower burning powder.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check