I defined my config for the AK as indicated below and I correctly set the authorizations on firearmmodifier.1 and firearmmodifier.2

The 1 works but the 2 does not work.

I also tried putting the permission only on firearmmodifier.2 (I only increase the storeSize).

I have the Instant Craft plugin but whether I give myself an AK, craft it or loot it, it doesn't work.

My Config
"rifle.ak": {
"PermissionSettings": {
"firearmmodifier.1": {
"SkinId": 0,
"MagazineSize": 50,
"PreloadSize": 0,
"Condition": 150,
"InfiniteCondition": false,
"InfiniteAmmo": false,
"DropOnDeath": false,
"WeaponName": "",
"AmmoType": "",
"ItemID": 1545779598
},
"firearmmodifier.2": {
"SkinId": 0,
"MagazineSize": 100,
"PreloadSize": 0,
"Condition": 150,
"InfiniteCondition": false,
"InfiniteAmmo": false,
"DropOnDeath": false,
"WeaponName": "",
"AmmoType": "",
"ItemID": 1545779598
}