Specifications:

• max weapon size: 135x50
• about 16 millions combinations without colour considering
• PNG source and PNG export
• 6 parts + over and under barrel attachments
• 11 barrels
• 7 bases
• 6 grips
• 15 mags
• 11 scopes + version without any scope
• 11 stocks
• 11 attachments over and under barrel + version without attachments
• masks for colour cahnge
• source Aseprite file and PNG parts
• random colour

Here is exe with PNG export and source files

export process, for save press S:

Note: export folder creates when you save gun first time.

itch.io with GMS2 version

GMS Marketplace(only GMS2 project)