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  #1  
Old 06-29-2012, 09:47 PM
Mr.40 Mr.40 is offline
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Default In need of .40 load data

I'm looking for some load data for .40 s&w, i'm useing 180gr cast lead and 180gr FMC- flat, w231 for powder. Any info would be great, thanks!
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Old 06-29-2012, 11:11 PM
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You don't mention your intended purpose for this load, nor the type of gun you will be using. I load a Berry's 180 RNFP over 3.6 grains of WW231, for use in my model 610 revolver, for ICORE competition, and for shooting steel. This load gives me a power factor of 125, which is a light target load. The results would certainly be much different if I were using that same load in a semi-auto. If I were using the same model 610 for USPSA, where I would be required to meet a 165 power factor, approximately 925 fps, the load would be different

My recommendation is to check your reloading manuals as well as the Winchester web site and look for a mid-range load that will give you a 145 power factor - about 800 fps. with the 180 grain bullet, from whatever gun you currently own. Remember to always start with a light powder charge, as listed in the manuals, and work your way up.
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Old 06-30-2012, 12:01 AM
Mr.40 Mr.40 is offline
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I'm using a s&w m&p40 mainly for target. My lymann reloading manual has a 175gr lead listing, i'm going to start with a light load and work up from there. I was interested in other shooters recipes and what works well for them.
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Old 06-30-2012, 01:04 AM
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I would never take specific loading advice from a website. Published loads were developed using pressure measuring devices and careful, consistent loading techniques. Free advice is worth exactly what you pay for it.

W231 is a popular powder, fairly fast, suitable for medium to hot pistol loads (similar to Unique). There are yards of published information using W231. IMO, it's a good choice for .40SW or .45 ACP, but I get slightly better performance with WSF in the latter.
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