41 mag 225gr cast data??

m777

m777

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I looked through 6 manuals and no luck. Even the Lyman's cast one.
Found lots under and over, but no 225. Bought a pail some months ago and jacketed bullets are hard to find from time to time.
Anybody got a recipe or just split the difference on equal grain'd above and below?
Have data for 212, 215, 220 and 240gr's.
Thanks
Clint
 
There's loads at hodgdons as well (nothing at 225 grain though). For myself, living on the edge of my seat :p, I would use the 220 grain data and just stay a touch shy of the max loads. Or use the 240 grain data and be done with it....all things equal, your load would have less velocity and less pressure. Just one guys opinion though.
 
Just use the 220 grain data. The difference should be negligible, given that bullet weights can vary by a few grains for the same mould, depending on what alloy is used. Also, substituting cast bullets for jacketed will result in a lower pressure for a given powder charge.
 
tjhaile said:
Just use the 220 grain data. The difference should be negligible, given that bullet weights can vary by a few grains for the same mould, depending on what alloy is used.
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If you do this, please pay close attention to the type of bullet being used and compared. There can be a lot of difference between an older Lyman style swc and the keith style.

The primary concern is how much of the weight of the bullet is in front of or behind the crimp groove. Try to compare apples to apples.
 
Did you get the Cactus Plains RNFP from Wholesale Sports? I have loaded up some of those, I can dig out the loads I used, I may even have chronied some of it. I warn you right now it will all be in metric units.
 
Canuck223 said:
If you do this, please pay close attention to the type of bullet being used and compared. There can be a lot of difference between an older Lyman style swc and the keith style.

The primary concern is how much of the weight of the bullet is in front of or behind the crimp groove. Try to compare apples to apples.
Click to expand...

Agreed. If you have more than one source of 220 grain data, use the one that best matches the bullet type you are using.

Working up carefully from the starting powder charge should keep you out of trouble. The range of charges given in most load data generally give you enough room to make substitutions of similar components if you do this.
 
I do everything in metric, from deck construction to pizza dough recipes. I am one guy who will dance a little jig the day the last inches, arshins and cubits are banished from this earth. Then I can load my 10.5mm Magnum with 14.6g bullets and shoot them out of 190mm barrels all day long:rockOn:.

41loadsjpg.jpg


To get from grams to ridiculous obsolete dark ages units, you ( x 7000 / 454).
 
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