Quote:
Originally Posted by 7.62 Nato
Welcome to Quarterbore. That's a nice looking buck. What's the difference between the 25x45 and the 25-223 ? Aren't they both 45mm long cases ? I'm looking at a 6x45 AR build since I already load 223, and 243.
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Both are based of the 223 parent case. The 25-223 after re-sizing you must trim the neck back from standard 223 case lengths an additional 2mm or so (43mm case) to achieve FFF.
I decided since I wanted to predator hunt with light bullets mainly and I was sick of trimming brass, I decided to go with a 25x45. The 25x45 is simply trimmed to 223 lengths like you would normally do then you re-size, load, and shoot. No extra trimming. I made some changes to the barrel I ordered for it. To me, the 25x45 just makes much more form and function sense for what I am doing. I buy once fired mainly military brass that has been cleaned and trimmed already, place out in Colorado. I have never had to trim one piece of brass after sizing it to .257 yet.......that alone is fantastic.
I also have a 6x45, not going to knock it as it's a good cartridge. I do not shoot it much but I have killed several coyotes with it. I can also shoot 100gr bullets with it also.
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