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Thread: IMR 4227 Favorite Loads

  1. #1
    Boolit Grand Master

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    IMR 4227 Favorite Loads

    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?
    Last edited by jonp; 08-17-2021 at 03:50 PM.
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  2. #2
    Boolit Master


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    12 ounce cans? I thought all of mine is in one pound cans. 15 to 16 grains in a 30-30 with bullets 170 grain and up work very well if they are going to work at all. Since SR4759 has been discontinued it is an excellent substitute. Known as a magnum handgun powder also but I haven't used it there. Should be great in the 45-70. Wonderful and versatile powder.
    Rick
    Last edited by RickinTN; 08-17-2021 at 10:07 AM.

  3. #3
    Boolit Man


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    I love using 4227 in my 300 Blackout loads…..

    Frank
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  4. #4
    Boolit Master 358429's Avatar
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    You cannot load something with a gunpowder you do not have. If you need powder get it! It's versatile and meters well in the perfect powder measure. It is a fast rifle powder that has applications in 38 Special.

    If you got an idea of what direction you wanted to go in...

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  5. #5
    Boolit Master OldBearHair's Avatar
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    Also 350 Legend

  6. #6
    Boolit Master fastdadio's Avatar
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    Quote Originally Posted by OldBearHair View Post
    Also 350 Legend
    Tell us more.....
    Deplorable infidel

  7. #7
    Boolit Master Bad Ass Wallace's Avatar
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    9.5gns of 4227 and a powder coated 80gn boolit in my 25/20 is very accurate! over 700 loads in a can!
    Hold Still Varmint; while I plugs Yer!

  8. #8
    Boolit Buddy
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    I think there are loads for 4227 in all the large volume straight wall pistol cases. I use it in 460 S&W.
    "EXPERT= Ex is a has been, spurt is a drip under pressure" Unknown

  9. #9
    Boolit Master
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    I don't consider 4227 as fast burning handgun powder, red dot is fast burning pistol powder, I consider it as slow burning pistol powder. but that just might be me.
    one of newest favorite loads for 4227 is 20 grains in 45 colt with 454640 in the Rossi 92. 23 grains in 44 mag under a 250 gr Keith type bullet is another load i like. its good and accurate loads in both carbines. leaves a bunch more residue than other powders but works real well as far as accuracy for some reason.

  10. #10
    Boolit Master


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    And I almost forgot. It works wonderfully in 223 Remington with 55 grain bullets. Velocity in the 2,700 to 2,800 fps range. It is a reduced load which is very accurate in my rifles and not as loud as a full house load.
    Rick

  11. #11
    Boolit Buddy

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    44 mag, 30-30 cast bullets in Contender, 7BR

  12. #12
    Boolit Master OldBearHair's Avatar
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    Powder burn rate numbers; 65 IMR 4227 54 2400 (59 Alliant Steel ) ( 61 N110 ) 62 Lil Gun 63 H110 64 Win 296 67 5744 68 1680 70 CFE BLK 73 (Reloder 7) (75 4198 ) all except the ones in parentheses are recommended for 350 Legend. I have loaded 4198 with 170 gr boolit to 1400 fps with 1.10 inch at 50 yards. The boolits were non-concentric. Went up a few grains more with no increase in fps after 1575 fps. Now I have concentric redneck swaged in a DIY Redneck swage die.. I have several different weights of 35 cal boolits no groove that come from my DIY Redneck five hold boolit mold because I forgot to lock the table. I have in my bucket list to work up a load w/Alliant steel and Reloader 7 if the need arises.
    Last edited by OldBearHair; 08-16-2021 at 09:39 PM. Reason: add words

  13. #13
    Boolit Master hoodat's Avatar
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    Perfect for Hornet and Bee. Reduced loads for cast in 222, 223, and the like. jd
    It seems that people who do almost nothing, often complain loudly when it's time to do it.

  14. #14
    Boolit Master Thumbcocker's Avatar
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    22 grains behind a Keith boolit in .44 magnum. Not the hottest but accurate and will kill deer.
    Paper targets aren't your friends. They won't lie for you and they don't care if your feelings get hurt.

  15. #15
    Boolit Master
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    I might add I got in habit of using magnum primers with 4227. seems to help with less unburnt powder and residue.,

  16. #16
    Boolit Grand Master popper's Avatar
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    4227 appears to provide excellent accuracy (for proper loads) but not the highest fps. It is a fast rifle powder. I use it for mid-weights in 300BO. I get some leftover kernels in the barrel unless I use magnum primers. GRT (free QL) shows incomplete burn in shorter barrels. My 'opinion' is it starts to burn well but kinda stops when barrel pressure drops. Adding an extra grn or 2 doesn't increase fps much.
    Whatever!

  17. #17
    Boolit Grand Master In Remembrance
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    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
    Regards
    John

  18. #18
    Boolit Buddy
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    7.5 grains in a 25-20 Single Shot cast bullets. 13 grains in 218 Bee 45 grain jacketed in Martini Cadet.

  19. #19
    Boolit Master 358429's Avatar
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    10 grains in 38 special using 155-172 grain semiwadcutters. Shoots well in the taurus 82 4 inch offhand at 25 yards.

    12-14 grains in 357 mag using the same bullets from my 77/357. Shoots ok at 50 yards I think my I am chasing a trash scope around the target.

    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.

    Note: the guns stay noticeably cooler during use and some soot it's not a big deal for me. Kinda like unique.

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  20. #20
    Boolit Grand Master

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    Quote Originally Posted by RickinTN View Post
    12 ounce cans? I thought all of mine is in one pound cans. 15 to 16 grains in a 30-30 with bullets 170 grain and up work very well if they are going to work at all. Since SR4759 has been discontinued it is an excellent substitute. Known as a magnum handgun powder also but I haven't used it there. Should be great in the 45-70. Wonderful and versatile powder.
    Rick
    Thanks, 16oz. Fat fingers
    I Am Descended From Men Who Would Not Be Ruled

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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