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6/16/2015 3:53:14 PM
 
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Section 17: Cartridges & Ammo Subject: New for AR .25-45 Sharps-6.8x45 UCC Msg# 922962
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Well, you only have to form the case once. I would assume you've done this before? In my case I used 6.5x55 cases to make 7.5x54 case. I used a tapered expander in an RCBS die, well-lubricated, and went slow, neck-sizing. I might be wrong but I don't recall losing a case. .22 to .25 is less expansion (.034" vs .044") so theoretically it should be easier for your project. I then full-length sized. I fire-formed using COW under a wad if memory serves, to blow the case out, especially the neck area, to more sharply fit the chamber, then, case-forming done, I loaded the cases. But, like all things in handloading, if it's not a labor of love, it's just labor.
Only you can say what it too tedious. For me, I was only shooting reasonable amount of rounds in a bolt action. You are talking about a semi-auto, which has the inevitable Lost Brass Factor, both on the range and in the hunting field. You can control the LBR on the range, but probably less so when hunting? That means you'll need more cases than I ever did. Hopefully I've just put voice to the considerations. And back to you.... |
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For reference, the above message is a reply to a message where: At this point I won't completely rule out getting an upper in that chambering. However, I need to find out more about loading for it. I'm currently loading .223 using a Dillon Body Sizing Die and electric case trimmer. If I can continue to size the body using that setup I'd only need a neck-sizing die with a well-shaped expander spindle to neck the brass up to .25 caliber. I've heard that they added a bit more taper to the body of the .25-45 in order to ensure good function. If that is the case then I'd need to have a full-length die and that would make the loading process a bit more tedious for me. |
