.40S&W Bullseye 135g Berry's plated question


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karlborman
January 18, 2010, 01:22 PM
Hey guys, I have loaded lots of 9mm with light and heavy bullets using Bullseye. I really like this powder, but I recently loaded some very light (135g) Berry's Plated bullets for .40 glock, and I can only find one data set for that load. Alliant doesn't list data for that light of bullet. My Lee manual lists 7 grains starting load and 7.6 never exceed.

I loaded just a few at 7g and tested them without a chrono. They had significantly more recoil than a 165g jacketed bullet using titegroup that was a middle of the road load.

No bulging of the cases or flattenning of the primer etc.

I plan to chrono a few before doing much more, but they seemed pretty darn hot.

Have any of you loaded such a light bullet for .40 and have any advice for me?

Want to remain safe. I know that reducing the powder charge can be as dangerous as increasing it, anyone out there use less than 7g of bullseye for 135g bullet? The Lee manual lists this as a compressed load even though it states it is a starting load, and doesn't list any for that bullet weight that aren't compressed.

BTW using CCI primers

Thanks guys.

karl

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rcmodel
January 18, 2010, 01:39 PM
Lyman #49 lists a 135 Nosler JHP with 11 different powders.

Bullseye is one of them.
5.5 grains Starting Load = 1,070 FPS @ 19,600 CUP.
6.3 MAX Load = 1,203 FPS @ 23,200 CUP..

Alliant 2002 listed a 135 JHP with a MAX Load of 7.6 Bullseye = 1,350 FPS @ 33,600 PSI.

BTW: This is where Lee copied the data from.
They have no lab, and do no load testing on thier own.

rc

karlborman
July 12, 2010, 11:56 PM
Thanks for the help.

It is strange to me that there would be such a difference from the manufacturer to a Lyman book, but I'm grateful to know that going lighter than 7.0g has been tested.

Thanks again,

karl

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