Inception. Buy all the Inception things. Start out with the heavy hammer
, the cheapest part that's a must-have. There's also the fluted pump guide
. This is also a volume chamber, which is nice, but most importantly, it reduces friction on the pump. Of course, no upgrade would be complete without a nice Stella barrel set
. Best barrels I've ever shot, and good looking as well. Finally, there's the frame of your choice
, available in 45 or 86 styles, sliders and swing, with or without autotrigger cams. Truly the cat's meow.
AND, if you can find one... there's the amazing body kit options
, although these are getting harder to find since they're all very limited runs.