(Note: Additional mixing instructions are found within the game file on mixing.)

66 Handgun bullets * -- Gun Powder BBA
55 Handgun bullets * -- Gun Powder AAA
40 Shotgun shells -- Gun Powder AAB
35 Handgun bullets -- Gun Powder AA
30 Shotgun shells -- Gun Powder BBB
24 Magnum rounds -- Gun Powder CCC
18 Shotgun shells -- Gun Powder BB
15 Handgun bullets -- Gun Powder A
10 Acid rounds -- Gun Powder BC
10 Cold rounds -- Gun Powder CC
10 Fire rounds -- Gun Powder AC
10 Grenade rounds -- Gun Powder C (mix A with B)
7 Shot Gun Shells -- Gun Powder B

* Concocting large amounts of Handgun ammo wastes time, which affects your final grade.