Hi Sam

I prefer 777 over Pyrodex because it cleans easier - it's less corrosive -- more powerful & smells alot better outdoors with no smell indoors while cleaning.

Goex powder loads are very similar to Pyrodex but with 777, you may want to try around 80 grains to more closely match your Goex shot groups.

Goex can be purchased online at a decent price with a 5-can minimum purchase to help cover the $20 HAZMAT FEE for transporting it (explosive) to your front door. The price with HAZMAT included is only $14 per can that way.

Click Here For Buying Goex or others online