(adsbygoogle = window.adsbygoogle || []).push({}); So I finally figured out how to get infinite ammunition without having to finish the game first.

As soon as you get the first ammo pouch for the Handgun, when you can save the game, go to Save Wizard advance mode, and search for the following line of code: 2F 70 6F 75
63 68 2F 68 61 6E 64 67

This should take you to the ammo pouch part of the save.
If you're having trouble finding it in "search" just select "Text" and write "pouch", and it should take you to the pouch section.

Look for the code I've already written above and replace it for this one: 2F 69 6E 66 69 6E 69 74 65 5F 61 6D 6D 6F

If you've done everything right it should appear in the text on right side "gaiden/player/infinite_ammo"

Apply. And copy the modified save to your PS4.
Start the game. Load from the save you modified. And when you go to the menu to choose your weapon, it will appear on the right upper corner the infinite ammo option. That you can press triangle and the infinite ammo can be turned On and Off.

When upgrading any weapon turn Off the infinite ammo option seeing sometimes there might or might not be any crash.

And that's it.

Always use a pouch line to make the change and not anything else or the game will crash. The infinite ammo will work for every weapon. You can still pick up pouches if you want to, but it won't make any difference. Instead focus on upgrading your weapons and character attributes.