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Thread: Anyone with hands on experience using Accurate 5744 and 450gr+ cast bullets in the 45

  1. #1
    Boolit Master
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    Anyone with hands on experience using Accurate 5744 and 450gr+ cast bullets in the 45

    I bought some Accurate 5744 to load for a friends OLD Winchester rifle awhile back, and looking at the 45/70 data in the Lyman cast bullet book, see it listed.

    This powder is listed as the go to powder in a number of cartridges for optimum performance.

    I'm shooting a RUGER #1 - 45/70 and my go to bullet is a Wide Flat Nose bullet of 465gr. Velocity 1650fps

    I have been using H335 for some years, and this bullet/powder have accounted for a growing pile of deer and three elk.

    However, always interested in improved accuracy and while I fully understand that only testing in my rifle with my bullets will tell the whole story, I am interested in any info pro/con that anyone may have.

    Crusty Deary Ol'Coot

  2. #2
    i like and use 5744 for cast lead in several rilfes. but nothing as big as the 45-70.

  3. #3
    Boolit Master


    Nueces's Avatar
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    I find it a wonderful powder for the 45-70. Accurate says, in order to duplicate black powder pressures and velocities, load 5744 in a weight that is 40% of the black powder load. For 70 grains black powder, that indicates 28 grains of 5744, with which I get fine accuracy and a muzzle velocity of 1270 (405 grain bullet) from a 28" Sharps barrel. Accurate also advises against using any fillers with 5744.

    There are routinely a scatter of unburned grains in the bore, which matters not. See the Accurate site for their current advice on max charges.

  4. #4
    Boolit Master 15meter's Avatar
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    I use it in a number of much larger cases, 50-70, 450 N.E., 470 N.E., 450/400 N.E. and a couple of others. I have never used it in 45-70, I suspect you can find load data for other more cost efficient powders easily. The only complaints I have about 5744 is cost and incomplete ignition. 5744 is probably the most expensive powder to buy. I have seen it above $40/lb. regularly. On the incomplete ignition, Accurate says that is normal, I have not noticed any problem with accuracy, it's just weird to look down the barrel of a rifle after firing and see a number of un-burned powder kernels. I normally blow down the barrel to clear them out of the chamber at a minimum. If you don't, when you slide in the next round some will be in the chamber and dent your cases on firing. Life is to short to have ugly dented cases.

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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