Just depends what i want,if i want speed and safe pressue i use TAC Powder with 55 grn or 62 grn pills,But AA2230,H335,BLC2,3031,Varget,4064,4895 also works very well,But another powder i use for plinking is RE7 but it is a very fast powder and you have to be very safe as you can double charge a case very easy if your not 120% paying attention.