cervusman Posted October 20, 2018 Report Share Posted October 20, 2018 I have a load of 76mm 410 cases also a load of gualand H17 micro wads which are for 19g shot, I also have a kg of Vecton SP3 powder but I have no idea if it’s compatible and if it is then what weight charge to use. Can anyone help please Quote Link to comment Share on other sites More sharing options...
Seadog1408 Posted October 20, 2018 Report Share Posted October 20, 2018 I can't find data for sp3 however I reckon 13 grains would do. Mike Quote Link to comment Share on other sites More sharing options...
Walker570 Posted October 20, 2018 Report Share Posted October 20, 2018 Check out Folkestone Engineering. John there has a number of loads using SP3. I use it for my fibre wad loads, excellent powder. I do not for safety reasons pass on details of my loads. Quote Link to comment Share on other sites More sharing options...
sitsinhedges Posted October 20, 2018 Report Share Posted October 20, 2018 (edited) From the old claygame CD. At your risk. 73mm PT CX50 12.0/0.78 SP3 Gualandi Micro H-17 2.4mm 21g RTO 1018 fps 314bar 73mm PT CX50 14.0/0.90 SP3 Gualandi Micro H-17 2.4mm 21g RTO 1109 fps 405bar Edited October 20, 2018 by sitsinhedges Quote Link to comment Share on other sites More sharing options...
cervusman Posted October 20, 2018 Author Report Share Posted October 20, 2018 Thank you all for help I now have all the data I need to start reloading, just need a good rollover tool now. Quote Link to comment Share on other sites More sharing options...
HW95J Posted October 20, 2018 Report Share Posted October 20, 2018 1 hour ago, cervusman said: Thank you all for help I now have all the data I need to start reloading, just need a good rollover tool now. Check out 'Forest-camping16' on ebay. It's a Russian based shop and I got my RTO from there. Well-made bit of kit Quote Link to comment Share on other sites More sharing options...
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