Casting slug questions
I’m thinking about casting my own slugs for my 25 caliber Condor and have questions. I’d like to be able to shoot gobs and gobs of slugs without worrying about cost.
Is it possible to go through the process and end up with slugs that don’t group well (assuming you properly slug the barrel, get a decent custom mold, learn how to cast properly, and use the appropriate sizer die, etc.)?
How does one choose the design of the slug or bullet? And how does one know if that particular design will produce tight groups? Or do all slugs/bullets produce tight groups as long as you have a precise/accurate measurement of your barrel diameter?
In the cataloges, I see molds for 0.257 caliber, but not for the 25 caliber LW barrels. How come?
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go back through the archives and read roachcreek’s posts on casting bullets for the condor. you’ll learn more than you might want to know. while reading R.C.’s posts, you might get the idea that he’s a bit of a blowhard, and he is 😛 😛 😛 . had to do it, R.C. seriously, the man knows his shit. he’s gone through a lot of trial and error to get the results that he has. and, he was gracious enough to document it for all of our benifit.
that being said, if you plan on casting, your best bet, and in my opinion, the ONLY way to go, is to get a .257 barrel. as far as i know, there is only one mold offered in .251 and that is made by RCBS. the reason you can’t find molds for LW barrels is that airgun barrels are typically smaller in size. a .25 cal. cartridge bore is typically .257 groove dia. and .250 bore, whereas a .25 cal. airgun barrel is .251 groove and .247 bore, on average. hope that answers your question.
now, go read R.C.’s posts and pay close attention to what he has to say. like i said, he really does know what he’s talking about.