Looks like when they put disassembly recipes, they forgot to turn off autolearning.
{
"type": "recipe",
"result": "9mm",
"id_suffix": "uncraft",
"category": "CC_NONCRAFT",
"subcategory": "CSC_NONCRAFT",
"skill_used": "gun",
"difficulty": 5,
"time": 500,
"reversible": true,
"autolearn": true, <-------
"flags": [ "UNCRAFT_SINGLE_CHARGE" ],
"tools": [ [ [ "puller", -1 ] ] ],
"components": [
[ [ "lead", 4 ] ],
[ [ "9mm_casing", 1 ] ],
[ [ "smpistol_primer", 1 ] ],
[ [ "gunpowder", 4 ] ]
]
}
Should be a fairly quick patch.