i have tried changing it 5 times and there is not change when compared to the default turret range. this mod needs updated i think.

"Auto": {
  "aimCones": {
    "turretconfig.default": 5.0
  },
  "ammoTypes": {
    "turretconfig.default": "ammo.rifle"
  },
  "autoHealths": {
    "turretconfig.default": 1000.0
  },
  "bulletModifiers": {
    "turretconfig.default": 2.0
  },
  "bulletSpeeds": {
    "turretconfig.default": 200.0
  },
  "defaultAimCone": 5.0,
  "defaultAmmoType": "ammo.rifle",
  "defaultAutoHealth": 1000,
  "defaultBulletModifier": 1.0,
  "defaultBulletSpeed": 200.0,
  "defaultSightRange": 430.0,
  "sightRanges": {
    "turretconfig.default": 430.0
  }
},​