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Redding Dies And Fast Powder Minor?


lrjet

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Have full Redding Competition Pro Titanium Die sets for 9mm and 40 S&W. Regarding setbacks using fast powder such as n310 and Clays. Know of Lee undersize and FCD. Do I need the Lee dies--I feel Redding's are about as good as they get. I have cycled a loaded round about 10x and measured the length with no change and shot N320 no problems--course slower powder. Wonder if anyone knows the sizing dimensions of Lee and Redding on cases and your input. Thx

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No, you don't need the Lee dies and absolutely positively don't need the FCD if you set your Redding dies up properly.

If you use mixed brass the U-die is a good insurance policy, I haven't found a piece of 9mm or 40 brass yet that will let the bullet slip when using the U-die.

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No, you don't need the Lee dies and absolutely positively don't need the FCD if you set your Redding dies up properly.

If you use mixed brass the U-die is a good insurance policy, I haven't found a piece of 9mm or 40 brass yet that will let the bullet slip when using the U-die.

Thanks HSMITH if you have the U die in 9mm and a good toolmakers caliper would you measure the ID of the case after sizing or better yet a ball guage and micrometer. Just curious.

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With most brass it will be .353" at the case mouth, the case a little lower is also tighter so the heel of the bullet will actually make a coke bottle shape on the brass. Bullets just won't slip. I also found lower SD's, I attribute it to more bullet pull on firing. The Redding Competition Seating die is almost mandatory, especially if you are switching bullets. The tight case makes seating a bullet a good bit harder with standard dies, the Redding CSD breezes right through it.

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If you use mixed brass the U-die is a good insurance policy, I haven't found a piece of 9mm or 40 brass yet that will let the bullet slip when using the U-die.

Agree 100%. W/ the "U" die, make sure you use case spray from Hornady (OneSHot) - just like in Brian Enos' video. Takes 2 seconds to spray 250 cases.

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