Tourbillon Posted September 3, 2017 Posted September 3, 2017 (edited) Making balls shells using F.A.S.T. as my guide. Tested my second shimizu low temp red 4" shell. Star rolled to 10mm. Step primed 25%-50%-75%-100% BP. First shell was broken with screen granulated BP. I like a nice POP when a shell breaks and the BP didn't quite get it. This time I used KP burst No.46. It "got it" all right.... Edited September 3, 2017 by Tourbillon
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