About 223 loads with imr 3031

any individual at any time use this imr 3031 powder? Did it work properly? What calibers and grain wegjts do you use it for? My reloading store had some i bought a lb to test.

Its certainly one of my finest powders for all temps coated in maryland. i commonly utilize it for fifty two or 60gr bullets. 55 too but i love to be a little bit of an oddball hahaha.

 implies that though the number of cartridges has mushroomed, no equally flexible powder has occur together to displace IMR-3031. Loads are still detailed For lots of cartridges. In more than fifty yrs, it has dropped none of its usefulness.

In my 308 acquire, the exact same factor with a jacketed bullet but have given that been working with it with a 200gr Lee Forged round nose boolit.

222 Remington rifles. Having said that, I switched to BLC2 and W748 mainly because they measure like h2o via a powder evaluate. IMR3031 with its prolonged kernels was a discomfort to load and doesn’t measure perfectly.

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MoJoy99 stated: everyone using IMR3031 for reloading 223 within an AR platform? What do you believe of it? Exactly what are your effects with it?

IMR 4759 is finest for extremely light-weight loads as its created for that and superior bulk to reduce the likelihood of a double demand.

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The fuel port in a very piston-operated AR can be preset but might incorporate a size adjustment attribute. In possibly AR motion kind, the buffer spring can be replaced to range the spring level about a constrained array.

The essential issue to notice is the main 3 powders are all in the same basic melt away price ballpark. It isn't until finally you get to 4198 that burn off level commences to boost substantially. So, selecting 3031 about the opposite two just failed to actually move your burn price A great deal.

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× similar to a bolt gun, an AR has really hard Bodily functions, but the design and Procedure tend to be more complex. In either a bolt action or an AR, the chamber and bore could be Slice restricted or free. on the other hand, in direct-impingement ARs, the gasoline port diameter And the way significantly it’s located together the barrel are set.

I utilize a case/cartridge headspace gauge to location-Check out around ten percent of my brass soon after finishing case prep. If I locate a “terrible” one particular, I Examine the rest and put any that fall short to suit the gauge aside.