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Rob Pincus · November 14, 1998, 10:24 AM

I got this from some the guys who build the 9x23 Avenger (see online Gungames Mag for more info..):

We have had good luck with the starline 9mm supercomp with a
124gr hornady flatpoint and vita vohri 540 powder a good starting
place is 8 grains of powder and a overall length of 1.245...

November 14, 1998, 10:24 AM	#7
Rob Pincus Senior Member Join Date: October 9, 1998 Location: Hotels Posts: 3,668	I got this from some the guys who build the 9x23 Avenger (see online Gungames Mag for more info..): We have had good luck with the starline 9mm supercomp with a 124gr hornady flatpoint and vita vohri 540 powder a good starting place is 8 grains of powder and a overall length of 1.245...