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Thread: IMR 4227 Favorite Loads

  1. #21
    Boolit Grand Master

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    Quote Originally Posted by John Boy View Post
    Jonp… for starters, what caliber firearms do you own and bullet weights for each.
    Otherwise, buy the 4227, let it sit in the cabinet until the cans become collectible
    Got a number it will work in but I've already got powder for them. $12lb hard to pass up, though
    I Am Descended From Men Who Would Not Be Ruled

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  2. #22
    Boolit Grand Master

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    20-24 grains in 308 winchester using 170 grain lee flat nose bullets (with out gas checks) from an old browning blr. Easy to shoot and fire forms the brass. I like to shoot this offhand rapidly, doesn't beat me up or other shooters around me like full strength 308 does.

    I've got the caliber and the mould. Good deal
    I Am Descended From Men Who Would Not Be Ruled

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  3. #23
    Boolit Master fastdadio's Avatar
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    youse guys are convincing me to try some 4227.
    Deplorable infidel

  4. #24
    Boolit Bub


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    Quote Originally Posted by jonp View Post
    Looking at 3 or 4 16oz cans at a good price but I don't use it and never have. I can read the reloading manuals but am interested in those who like it and what for. Will it do anything other powder won't?
    Please pardon the extended copy/paste, but I have found several very satisfactory loads wit 4227:
    Calibre Weapon Bullet Mfg Wt/ Type Alloy Sized BC Powder Primer Grains OAL FPS Energy Group Yds: Note

    .30-06 Howa Lyman 311467 178 GCRN 5 .309 0.320 IMR 4227 LgRf 28.6 3.078 0
    .30-06 Howa Lyman 311284 220 GCRN 5 .309 0.332 IMR 4227 LgRf 27.0 1850 1672
    .30-06 Howa Lyman 311284 220 GCRN 5 .309 0.332 IMR 3031 LgRf 42.5 2300 2585
    .30-06 Howa Lyman 311284 220 GCRN 7 .309 0.332 IMR 4831 LgRf 56.0 2490 3030
    .357 Mag Lady Smith Lee 144 FBHP 7 .358 0.100 IMR 4227 SmPs 15.0
    .357 Mag Lady Smith Mag. Eng. 158 RNFPBB 8 .357 0.134 IMR 4227 SmPs 12.6 1.570 860 260 2.00 12 Comfortable for so small a gun, off-hand group
    .357 Mag Lady Smith Mag. Eng. 158 RNFPBB 8 .358 0.134 IMR 4227 SmPs 15.0 1.570 940 310 4.00 12 Stout, group 4”, but that's still “minute of perp”
    .44 Mag Win '94 Saeco 446AF6D 200 FP 5 .430 IMR 4227 LgPs 21.7 21.3 23.5 1.610 1530 1040 Primer may also be MgLgPs
    .44 Mag Win '94 Remington 240 SP .430 IMR 4227 LgRf 23.5 1680 1504 Compressed
    .44 Mag Win '94 Saeco 442F5E 247 RN 7 .430 0.278 IMR 4227 LgRf 22.0 1.675 1500 1234 In crimp groove:: OAL depnd on case trim len.
    .44 Mag Win '94 Sierra 300 JSP .429 0.230 IMR 4227 LgRf 20.5 1.736 0 Sierra BC 0.250 @ 900-1200FPS, 0.230 above, and 0.195 below
    .44 Mag Win '94 Sierra 300 JSP .429 0.230 IMR 4227 LgRf 19.5 18/20 1.736 1275 1083
    .44 Mag Win '95 Hornady 300 XTP .430 0.245 IMR 4227 LgRf 18.6 18/19 1.738 1370 1251
    .44-40 Cimarron Mag. Eng. 200 RNFPBB 3 .428 0.156 IMR 4227 LgPs 16.8

  5. #25
    Boolit Grand Master

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    Quote Originally Posted by ElPistolero View Post
    Please pardon the extended copy/paste, but I have found several very satisfactory loads wit 4227:
    Calibre Weapon Bullet Mfg Wt/ Type Alloy Sized BC Powder Primer Grains OAL FPS Energy Group Yds: Note

    .30-06 Howa Lyman 311467 178 GCRN 5 .309 0.320 IMR 4227 LgRf 28.6 3.078 0
    .30-06 Howa Lyman 311284 220 GCRN 5 .309 0.332 IMR 4227 LgRf 27.0 1850 1672
    .30-06 Howa Lyman 311284 220 GCRN 5 .309 0.332 IMR 3031 LgRf 42.5 2300 2585
    .30-06 Howa Lyman 311284 220 GCRN 7 .309 0.332 IMR 4831 LgRf 56.0 2490 3030
    .357 Mag Lady Smith Lee 144 FBHP 7 .358 0.100 IMR 4227 SmPs 15.0
    .357 Mag Lady Smith Mag. Eng. 158 RNFPBB 8 .357 0.134 IMR 4227 SmPs 12.6 1.570 860 260 2.00 12 Comfortable for so small a gun, off-hand group
    .357 Mag Lady Smith Mag. Eng. 158 RNFPBB 8 .358 0.134 IMR 4227 SmPs 15.0 1.570 940 310 4.00 12 Stout, group 4”, but that's still “minute of perp”
    .44 Mag Win '94 Saeco 446AF6D 200 FP 5 .430 IMR 4227 LgPs 21.7 21.3 23.5 1.610 1530 1040 Primer may also be MgLgPs
    .44 Mag Win '94 Remington 240 SP .430 IMR 4227 LgRf 23.5 1680 1504 Compressed
    .44 Mag Win '94 Saeco 442F5E 247 RN 7 .430 0.278 IMR 4227 LgRf 22.0 1.675 1500 1234 In crimp groove:: OAL depnd on case trim len.
    .44 Mag Win '94 Sierra 300 JSP .429 0.230 IMR 4227 LgRf 20.5 1.736 0 Sierra BC 0.250 @ 900-1200FPS, 0.230 above, and 0.195 below
    .44 Mag Win '94 Sierra 300 JSP .429 0.230 IMR 4227 LgRf 19.5 18/20 1.736 1275 1083
    .44 Mag Win '95 Hornady 300 XTP .430 0.245 IMR 4227 LgRf 18.6 18/19 1.738 1370 1251
    .44-40 Cimarron Mag. Eng. 200 RNFPBB 3 .428 0.156 IMR 4227 LgPs 16.8
    What are the charges of powder in? Not grains
    I Am Descended From Men Who Would Not Be Ruled

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  6. #26
    Boolit Master 358429's Avatar
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    Quote Originally Posted by fastdadio View Post
    youse guys are convincing me to try some 4227.
    Get yourself a big jug of that powder you'll start finding things to do with it

    In the revolvers keep a brass brush to clean under the extractor star.

    Sent from my SM-G930T using Tapatalk

  7. #27
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    24.0gr 4227 under Lee 459-405-HB with a .75gr fluff of dacron is my 1884 Trapdoor 45-70 hunting load at 1120fps from 20" barrel.

    16.0gr 4227 with Speer 80gr SP and no filler in my Ruger M77 6mm Rem that would put three shots in one hole at 50yds was used as a low power load for my kids when they were young.

  8. #28
    Boolit Grand Master

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    IMR 4227 is my go to powder for cast boolts in .308 Win., .303 British and .44 mag. In Marlin 1894.

    I've also used it in .45-70 when I had my converted Siamese Mauser.

    If I loaded for more calibers I'm sure I'd be using IMR 4227 in them as well.

    I've been using it for many years and like it.

    Longbow

  9. #29
    Boolit Master Win94ae's Avatar
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    I use it in my 30-30 with 85gr handgun bullets for a wicked fast load.
    In my 357 and 44 mag for a slow, light recoiling load.
    Last edited by Win94ae; 08-21-2021 at 01:53 AM. Reason: correction

  10. #30
    Boolit Grand Master

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    Quote Originally Posted by NEKVT View Post
    24.0gr 4227 under Lee 459-405-HB with a .75gr fluff of dacron is my 1884 Trapdoor 45-70 hunting load at 1120fps from 20" barrel.

    16.0gr 4227 with Speer 80gr SP and no filler in my Ruger M77 6mm Rem that would put three shots in one hole at 50yds was used as a low power load for my kids when they were young.
    Thanks. I just spent a week up in our nek of the woods. 40's-low 50's at night and mid to upper 60's during the day. Perfect weather. Even jumped into the inlet to my pond and got a swim in under the pines.
    I Am Descended From Men Who Would Not Be Ruled

    Fiat Justitia, Ruat Caelum

  11. #31
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    Quote Originally Posted by jonp View Post
    Thanks. I just spent a week up in our nek of the woods. 40's-low 50's at night and mid to upper 60's during the day. Perfect weather. Even jumped into the inlet to my pond and got a swim in under the pines.
    Was up there at the cabin earlier this week with son and grandaughter. Had to light the woodstove Tuesday morning to warm her up. Shallow well went dry so had to rinse off in the big lake...so refreshing!

  12. #32
    Boolit Buddy
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    17 grains of IMR4227,WLR primers,PPU 7.62x54r cases, and a Lyman 311299 cast bullet sized to .311 in my VKT Finnish M39 Mosin helped me take 1st place in the 100 yard portion of the CBA national match this year. I use IMR4227 with good results in 7.62x54r, 30-06, and 8mm Mauser.

  13. #33
    Boolit Master trapper9260's Avatar
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    I use this powder in some of the ones I load now with all is posted that it is used in now I will looking into more use for it , thanks .
    Life Member of NRA,NTA,DAV ,ITA. Also member of FTA,CBA

  14. #34
    Boolit Bub


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    Quote Originally Posted by jonp View Post
    What are the charges of powder in? Not grains
    Yes. The number, with 1 decimal place that immediately follows the Primer abbreviation. For example:
    .30-06 Howa Lyman 311467 178 GCRN 5 .309 0.320 IMR 4227 LgRf 28.6 3.078 0 The charge is 28.6 grains.
    The number before the powder type/name may be estimated BC, bullet size, or local alloy code, depending on what info' exists
    I probably should have typed each line, but the copy from the .ODS file was a lot quicker.

  15. #35
    Boolit Master
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    GONRA sez don't forget .30 Carbine!!!

  16. #36
    Boolit Master


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    I should be cautious mentioning this in the present company but in rifles IMR4227 works quite well with jacketed bullets also. In 1990 there was an IMR mini manual published with data for several common centerfire cartridges.
    Take care,
    Rick

  17. #37
    Boolit Master Ithaca Gunner's Avatar
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    My favorite place for this powder is under a Lyman 311332 in a .30-06 case, 25-29 grains works very well, and I have some good M-1 Carbine ammo loaded with it.

    I like to keep a few pounds of it in my locker.

  18. #38
    Boolit Buddy Gobeyond's Avatar
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    Buy it and sell at today’s prices.

  19. #39
    Boolit Grand Master

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    Quote Originally Posted by ourflat View Post
    I love using 4227 in my 300 Blackout loads…..

    Frank
    Works nicely in the Blackout for me as well.

  20. #40
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    A friend swears by it in 17 Ackley Hornet, 17 Fireball and 20 Fireball. He uses a little over 11 gr and makes sure it is all inside of 1/10th gr.
    [The Montana Gianni] Front sight and squeeze

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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