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Old March 29, 2006, 04:28 PM   #4
dakotashooter2
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Join Date: January 13, 2005
Posts: 498
I'd tend to agree with the "king". The Hogdon site does not even list a loading for the colt with H 110. The same weight bullet in my .41 mag maxes at 20 gr but it is also for a cast bullet so I would say you are probably on the warm side. I did find a reference for H110 at Steves Pages. it listed 19.3to a bit over 23 grains for a 300 grain bullet but did not indicate the type of bullet or velocity of the load. I'm not sure I would use that data because H110 is usually listed as starting and max load being the same or very close to the same and it is usually not recomended to reduce H110 loads by more than 5%. I would assume the data is for an assortment of bullets.

Your inaccuracy could be caused by irregular ignition related to too much airspace in the case for the powder being used (possibly why it is not listed)and possibly a dangerous situation. You might want to switch to a different powder until you find a reliable source of data fo H 110 loads in the 45.
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