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IMR 4166

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As far as I know.
It would not meter through my Lyman 55 without cutting kernels. Surprisingly this is the one thing the cheapazz Lee plastic measure is good for. It meters extruded powder without shearing and does it quite well. Mine ran +/- .2 grains. I weigh every charge on important stuff so I set the charge back .5g and trickled each one in. Much faster than using a dipper and weighing out each charge that way.

I've noticed 4166 runs MUCH cleaner than whatever Lake City loads M80 ball with. I mean a LOT cleaner.
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These are the cartridges that Hogdon's website has reloading data for with IMR 4166, in various bullet weights:


204 Ruger
223 Remington
22-250 Remington
243 Winchester
6mm Remington
250-3000 Savage
257 Roberts
25-06 Remington
6.5 Creedmoor
260 Remington
270 Winchester
270 Winchester Short Magnum
7mm-08 Remington
30-30 Winchester
308 Marlin Express
308 Winchester
300 Winchester Short Magnum
300 Winchester Magnum
303 British
8x57 Mauser
338 Federal
348 Winchester
375 Ruger
405 Winchester
416 Remington Magnum
45-70 (Trapdoor)
45-70 (Lever action)
Edited by MrBrian
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