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Old July 23, 2012, 04:50 AM   #26
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I've had pretty good luck with H380. It meters extremely well, but burns a little dirty imo.
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Old July 24, 2012, 04:25 PM   #27
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I only reload 55gr bullets and use H335 for the AR. Tim
uva uvam videndo varia fit
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Old July 24, 2012, 04:29 PM   #28
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I switched to 50 grainers and Varget gave me the best accuracy.
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Old July 24, 2012, 04:44 PM   #29
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I was surprised to learn that H4895 is a good powder for .223 as well. A little faster than Varget, a little slower than the H335. Might be just the ticket if you are on the fence.

It is amazing how versatile the good rifle powders are. I guess they are "good" for a reason. I use H4895 in my old Model 94 .32 Special with 170 grain bullets very effectively. It is hard to believe it works equally well with a projectile more than 3 times lighter.
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Old July 25, 2012, 04:04 PM   #30
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I've seen burn rate charts that put Bullseye as the fastest powder, the third fastest powder, the 5th fastest powder, the 8th fastest powder, and the 15th fastest powder. A web search of burn rate charts will give you the same experience, and not just for Bullseye. Testing burn rates is expensive and the powder makers don't share their data with one another, so the charts all have a large SWAG component. Moreover, the burn rates have tolerances causing the position of a powder on the chart to vary from one lot to the next.

That H335 is WC844 is something I got straight from the horse's mouth; from Hodgdon's spherical propellant MSDS for 2009. I've attached a copy so you can see for yourself. The difference is the bulk grade WC844 used by the military and available as surplus has a burn rate that typically varies about ±10%. H335 is purchased as bulk WC844, then blended with held back bulk lots of WC844 that turned out extra fast or extra slow as needed to adjust the burn rate back toward the center, ±3%, at which point it is reclassified as cannister grade and packaged as H335 for sale to handloaders. That's why the two powder numbers can have different burn rates on a chart. One batch of WC844 might be 10% faster and another batch 10% slower than the blended version sold as H335.
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Old July 25, 2012, 09:50 PM   #31
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Old July 26, 2012, 12:24 PM   #32
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IMR 4320 and IMR 4895
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