diff --git a/ChangeLog.md b/ChangeLog.md
index e8485ce..129fb76 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+#2.2.5
+  * Fix rate of fire for burst lasers
+  * Add fragment cannon modifications
+
 #2.2.4
   * Fix incorrect ID for class 5 luxury passenger cabin
   * Add damage type modifier
diff --git a/dist/index.js b/dist/index.js
index e80f931..275b1fb 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -6286,7 +6286,7 @@ module.exports = {
         power: .65,
         range: 3e3,
         rating: "F",
-        rof: 4.735,
+        rof: 2,
         thermload: .4,
         type: "T"
       }, {
@@ -6297,7 +6297,7 @@ module.exports = {
         burstrof: 17,
         class: 1,
         cost: 8600,
-        damage: 1.22,
+        damage: 1.2,
         distdraw: .27,
         edID: 128049404,
         eddbID: 835,
@@ -6310,7 +6310,7 @@ module.exports = {
         power: .64,
         range: 3e3,
         rating: "G",
-        rof: 5.28,
+        rof: 2.23,
         thermload: .3,
         type: "T"
       }, {
@@ -6334,7 +6334,7 @@ module.exports = {
         power: .6,
         range: 3e3,
         rating: "G",
-        rof: 4.795,
+        rof: 1.92,
         thermload: .2,
         type: "T"
       }, {
@@ -6360,7 +6360,7 @@ module.exports = {
         pp: "Archon Delaine",
         range: 600,
         rating: "F",
-        rof: 7.615,
+        rof: 1.98,
         thermload: .3,
         type: "T"
       }, {
@@ -6371,7 +6371,7 @@ module.exports = {
         burstrof: 11,
         class: 2,
         cost: 23e3,
-        damage: 3.53,
+        damage: 3.5,
         distdraw: .63,
         edID: 128049401,
         eddbID: 833,
@@ -6384,7 +6384,7 @@ module.exports = {
         power: 1.05,
         range: 3e3,
         rating: "E",
-        rof: 3.695,
+        rof: 1.6,
         thermload: .8,
         type: "T"
       }, {
@@ -6408,7 +6408,7 @@ module.exports = {
         power: 1.04,
         range: 3e3,
         rating: "F",
-        rof: 4.2,
+        rof: 1.78,
         thermload: .7,
         type: "T"
       }, {
@@ -6419,7 +6419,7 @@ module.exports = {
         burstrof: 15,
         class: 2,
         cost: 162800,
-        damage: 1.72,
+        damage: 1.74,
         distdraw: .31,
         edID: 128049408,
         eddbID: 839,
@@ -6432,7 +6432,7 @@ module.exports = {
         power: .98,
         range: 3e3,
         rating: "F",
-        rof: 3.93,
+        rof: 1.57,
         thermload: .4,
         type: "T"
       }, {
@@ -6443,7 +6443,7 @@ module.exports = {
         burstrof: 7,
         class: 3,
         cost: 140400,
-        damage: 7.74,
+        damage: 7.75,
         distdraw: 1.39,
         edID: 128049402,
         eddbID: 834,
@@ -6456,7 +6456,7 @@ module.exports = {
         power: 1.66,
         range: 3e3,
         rating: "D",
-        rof: 2.685,
+        rof: 1.2,
         thermload: 1.7,
         type: "T"
       }, {
@@ -6467,7 +6467,7 @@ module.exports = {
         burstrof: 9,
         class: 3,
         cost: 281600,
-        damage: 5.16,
+        damage: 5.18,
         distdraw: 1.16,
         edID: 128049406,
         eddbID: 837,
@@ -6480,7 +6480,7 @@ module.exports = {
         power: 1.65,
         range: 3e3,
         rating: "E",
-        rof: 3.215,
+        rof: 1.4,
         thermload: 1.4,
         type: "T"
       }, {
@@ -6491,7 +6491,7 @@ module.exports = {
         burstrof: 11,
         class: 3,
         cost: 800400,
-        damage: 3.53,
+        damage: 3.54,
         distdraw: .63,
         edID: 128049409,
         eddbID: 840,
@@ -6504,7 +6504,7 @@ module.exports = {
         power: 1.57,
         range: 3e3,
         rating: "E",
-        rof: 3.115,
+        rof: 1.272,
         thermload: .8,
         type: "T"
       }, {
@@ -6528,7 +6528,7 @@ module.exports = {
         power: 2.58,
         range: 3e3,
         rating: "E",
-        rof: 1.565,
+        rof: .8,
         thermload: 4.5,
         type: "T"
       }, {
@@ -6552,7 +6552,7 @@ module.exports = {
         power: 2.59,
         range: 3e3,
         rating: "E",
-        rof: 2.14,
+        rof: 1,
         thermload: 3.3,
         type: "T"
       } ],
@@ -13602,7 +13602,7 @@ module.exports = {
         name: "Low emissions"
       },
       ProspectingLimpet_LightWeight: {
-        id: 63,
+        id: 65,
         name: "Lightweight"
       },
       ProspectingLimpet_Reinforced: {
@@ -13735,6 +13735,12 @@ module.exports = {
         type: "numeric",
         method: "multiplicative"
       },
+      burstrof: {
+        id: 41,
+        name: "burst",
+        type: "numeric",
+        method: "multiplicative"
+      },
       clip: {
         id: 4,
         name: "clip",
@@ -14119,11 +14125,18 @@ module.exports = {
       mod_weapon_burst_interval: {
         rof: 1
       },
-      mod_weapon_burst_rof: {},
-      mod_weapon_burst_size: {},
+      mod_weapon_burst_rof: {
+        burstrof: 1
+      },
+      mod_weapon_burst_size: {
+        burst: 1
+      },
       mod_weapon_clip_size: {
         clip: 1
       },
+      mod_weapon_clip_size_override: {
+        clip: 1
+      },
       mod_weapon_damage: {
         damage: 1
       },
@@ -14173,6 +14186,9 @@ module.exports = {
       special_scramble_spectrum: {
         rof: .1111111111111111
       },
+      special_screening_shell: {
+        reload: -.5
+      },
       special_shiftlock_canister: {
         damage: -.2
       },
@@ -14305,7 +14321,7 @@ module.exports = {
         name: "Drag munitions"
       },
       special_emissive_munitions: {
-        id: 9,
+        id: 8,
         name: "Emissive munitions"
       },
       special_feedback_cascade: {
diff --git a/dist/index.json b/dist/index.json
index bf27b0b..5175d23 100644
--- a/dist/index.json
+++ b/dist/index.json
@@ -8192,7 +8192,7 @@
 					"power": 0.65,
 					"range": 3000,
 					"rating": "F",
-					"rof": 4.735,
+					"rof": 2,
 					"thermload": 0.4,
 					"type": "T"
 				},
@@ -8204,7 +8204,7 @@
 					"burstrof": 17,
 					"class": 1,
 					"cost": 8600,
-					"damage": 1.22,
+					"damage": 1.2,
 					"distdraw": 0.27,
 					"edID": 128049404,
 					"eddbID": 835,
@@ -8217,7 +8217,7 @@
 					"power": 0.64,
 					"range": 3000,
 					"rating": "G",
-					"rof": 5.28,
+					"rof": 2.23,
 					"thermload": 0.3,
 					"type": "T"
 				},
@@ -8242,7 +8242,7 @@
 					"power": 0.6,
 					"range": 3000,
 					"rating": "G",
-					"rof": 4.795,
+					"rof": 1.92,
 					"thermload": 0.2,
 					"type": "T"
 				},
@@ -8269,7 +8269,7 @@
 					"pp": "Archon Delaine",
 					"range": 600,
 					"rating": "F",
-					"rof": 7.615,
+					"rof": 1.98,
 					"thermload": 0.3,
 					"type": "T"
 				},
@@ -8281,7 +8281,7 @@
 					"burstrof": 11,
 					"class": 2,
 					"cost": 23000,
-					"damage": 3.53,
+					"damage": 3.5,
 					"distdraw": 0.63,
 					"edID": 128049401,
 					"eddbID": 833,
@@ -8294,7 +8294,7 @@
 					"power": 1.05,
 					"range": 3000,
 					"rating": "E",
-					"rof": 3.695,
+					"rof": 1.6,
 					"thermload": 0.8,
 					"type": "T"
 				},
@@ -8319,7 +8319,7 @@
 					"power": 1.04,
 					"range": 3000,
 					"rating": "F",
-					"rof": 4.2,
+					"rof": 1.78,
 					"thermload": 0.7,
 					"type": "T"
 				},
@@ -8331,7 +8331,7 @@
 					"burstrof": 15,
 					"class": 2,
 					"cost": 162800,
-					"damage": 1.72,
+					"damage": 1.74,
 					"distdraw": 0.31,
 					"edID": 128049408,
 					"eddbID": 839,
@@ -8344,7 +8344,7 @@
 					"power": 0.98,
 					"range": 3000,
 					"rating": "F",
-					"rof": 3.93,
+					"rof": 1.57,
 					"thermload": 0.4,
 					"type": "T"
 				},
@@ -8356,7 +8356,7 @@
 					"burstrof": 7,
 					"class": 3,
 					"cost": 140400,
-					"damage": 7.74,
+					"damage": 7.75,
 					"distdraw": 1.39,
 					"edID": 128049402,
 					"eddbID": 834,
@@ -8369,7 +8369,7 @@
 					"power": 1.66,
 					"range": 3000,
 					"rating": "D",
-					"rof": 2.685,
+					"rof": 1.2,
 					"thermload": 1.7,
 					"type": "T"
 				},
@@ -8381,7 +8381,7 @@
 					"burstrof": 9,
 					"class": 3,
 					"cost": 281600,
-					"damage": 5.16,
+					"damage": 5.18,
 					"distdraw": 1.16,
 					"edID": 128049406,
 					"eddbID": 837,
@@ -8394,7 +8394,7 @@
 					"power": 1.65,
 					"range": 3000,
 					"rating": "E",
-					"rof": 3.215,
+					"rof": 1.4,
 					"thermload": 1.4,
 					"type": "T"
 				},
@@ -8406,7 +8406,7 @@
 					"burstrof": 11,
 					"class": 3,
 					"cost": 800400,
-					"damage": 3.53,
+					"damage": 3.54,
 					"distdraw": 0.63,
 					"edID": 128049409,
 					"eddbID": 840,
@@ -8419,7 +8419,7 @@
 					"power": 1.57,
 					"range": 3000,
 					"rating": "E",
-					"rof": 3.115,
+					"rof": 1.272,
 					"thermload": 0.8,
 					"type": "T"
 				},
@@ -8444,7 +8444,7 @@
 					"power": 2.58,
 					"range": 3000,
 					"rating": "E",
-					"rof": 1.565,
+					"rof": 0.8,
 					"thermload": 4.5,
 					"type": "T"
 				},
@@ -8469,7 +8469,7 @@
 					"power": 2.59,
 					"range": 3000,
 					"rating": "E",
-					"rof": 2.14,
+					"rof": 1,
 					"thermload": 3.3,
 					"type": "T"
 				}
@@ -15998,7 +15998,7 @@
 				"name": "Low emissions"
 			},
 			"ProspectingLimpet_LightWeight": {
-				"id": 63,
+				"id": 65,
 				"name": "Lightweight"
 			},
 			"ProspectingLimpet_Reinforced": {
@@ -16131,6 +16131,12 @@
 				"type": "numeric",
 				"method": "multiplicative"
 			},
+			"burstrof": {
+				"id": 41,
+				"name": "burst",
+				"type": "numeric",
+				"method": "multiplicative"
+			},
 			"clip": {
 				"id": 4,
 				"name": "clip",
@@ -16515,11 +16521,18 @@
 			"mod_weapon_burst_interval": {
 				"rof": 1
 			},
-			"mod_weapon_burst_rof": {},
-			"mod_weapon_burst_size": {},
+			"mod_weapon_burst_rof": {
+				"burstrof": 1
+			},
+			"mod_weapon_burst_size": {
+				"burst": 1
+			},
 			"mod_weapon_clip_size": {
 				"clip": 1
 			},
+			"mod_weapon_clip_size_override": {
+				"clip": 1
+			},
 			"mod_weapon_damage": {
 				"damage": 1
 			},
@@ -16569,6 +16582,9 @@
 			"special_scramble_spectrum": {
 				"rof": 0.1111111111111111
 			},
+			"special_screening_shell": {
+				"reload": -0.5
+			},
 			"special_shiftlock_canister": {
 				"damage": -0.2
 			},
@@ -16701,7 +16717,7 @@
 				"name": "Drag munitions"
 			},
 			"special_emissive_munitions": {
-				"id": 9,
+				"id": 8,
 				"name": "Emissive munitions"
 			},
 			"special_feedback_cascade": {
diff --git a/modifications/blueprints.json b/modifications/blueprints.json
index e6655ed..75e58e7 100644
--- a/modifications/blueprints.json
+++ b/modifications/blueprints.json
@@ -63,7 +63,7 @@
   "PowerPlant_Armoured": { "id": 62, "name": "Armoured" },
   "PowerPlant_Boosted": { "id": 63, "name": "Overcharged" },
   "PowerPlant_Stealth": { "id": 64, "name": "Low emissions" },
-  "ProspectingLimpet_LightWeight": { "id": 63, "name": "Lightweight" },
+  "ProspectingLimpet_LightWeight": { "id": 65, "name": "Lightweight" },
   "ProspectingLimpet_Reinforced": { "id": 66, "name": "Reinforced" },
   "ProspectingLimpet_Shielded": { "id": 67, "name": "Shielded" },
   "ShieldBooster_Explosive": { "id": 68, "name": "Blast resistant" },
diff --git a/modifications/modifications.json b/modifications/modifications.json
index 9ecbbd2..720cf6b 100644
--- a/modifications/modifications.json
+++ b/modifications/modifications.json
@@ -3,6 +3,7 @@
     "boot": {"id": 1, "name": "boot", "type": "numeric", "method": "multiplicative"},
     "brokenregen": {"id": 2, "name": "brokenregen", "type": "numeric", "method": "multiplicative"},
     "burst": {"id": 3, "name": "burst", "type": "numeric", "method": "multiplicative"},
+    "burstrof": {"id": 41, "name": "burst", "type": "numeric", "method": "multiplicative"},
     "clip": {"id": 4, "name": "clip", "type": "numeric", "method": "multiplicative"},
     "damage": {"id": 5, "name": "damage", "type": "numeric", "method": "multiplicative"},
     "distdraw": {"id": 6, "name": "distdraw", "type": "numeric", "method": "multiplicative"},
diff --git a/modifications/modifierActions.json b/modifications/modifierActions.json
index 1e3582a..a395568 100644
--- a/modifications/modifierActions.json
+++ b/modifications/modifierActions.json
@@ -159,11 +159,18 @@
   "mod_weapon_burst_interval": {
     "rof": 1
   },
-  "mod_weapon_burst_rof": {},
-  "mod_weapon_burst_size": {},
+  "mod_weapon_burst_rof": {
+    "burstrof": 1
+  },
+  "mod_weapon_burst_size": {
+    "burst": 1
+  },
   "mod_weapon_clip_size": {
     "clip": 1
   },
+  "mod_weapon_clip_size_override": {
+    "clip": 1
+  },
   "mod_weapon_damage": {
     "damage": 1
   },
@@ -213,6 +220,9 @@
   "special_scramble_spectrum": {
     "rof": 0.1111111111111111
   },
+  "special_screening_shell": {
+    "reload": -0.5
+  },
   "special_shiftlock_canister": {
     "damage": -0.2
   },
diff --git a/modifications/specials.json b/modifications/specials.json
index 3d5e47d..441edcb 100644
--- a/modifications/specials.json
+++ b/modifications/specials.json
@@ -7,7 +7,7 @@
     "special_dispersal_field": {"id": 5, "name": "Dispersal field"},
     "special_distortion_field": {"id": 6, "name": "Distortion field"},
     "special_drag_munitions": {"id": 7, "name": "Drag munitions"},
-    "special_emissive_munitions": {"id": 9, "name": "Emissive munitions"},
+    "special_emissive_munitions": {"id": 8, "name": "Emissive munitions"},
     "special_feedback_cascade": {"id": 9, "name": "Feedback cascade"},
     "special_force_shell": {"id": 10, "name": "Force shell"},
     "special_high_yield_shell": {"id": 11, "name": "High yield shell"},
diff --git a/spec/data-spec.js b/spec/data-spec.js
index cb82885..196374b 100644
--- a/spec/data-spec.js
+++ b/spec/data-spec.js
@@ -168,7 +168,31 @@ describe('JSON Data', function() {
       const blueprint = Modifications.blueprints[k];
       expect(ids[blueprint.id]).toBeFalsy('ID already exists: ' + blueprint.id);
       expect(blueprint.name).toBeDefined('Blueprint has no name, ID:' + blueprint.id);
-      ids[blueprint.idid] = true;
+      ids[blueprint.id] = true;
+    }
+  });
+
+  it('has valid modifications', function() {
+    var ids = {};
+
+    for (var k in Modifications.modifications) {
+      const modification = Modifications.modifications[k];
+      expect(ids[modification.id]).toBeFalsy('ID already exists: ' + modification.id);
+      expect(modification.name).toBeDefined('Modification has no name, ID:' + modification.id);
+      expect(modification.type).toBeDefined('Modification has no type, ID:' + modification.id);
+      expect(modification.method).toBeDefined('Modification has no method, ID:' + modification.id);
+      ids[modification.id] = true;
+    }
+  });
+
+  it('has valid specials', function() {
+    var ids = {};
+
+    for (var k in Modifications.specials) {
+      const special = Modifications.specials[k];
+      expect(ids[special.id]).toBeFalsy('ID already exists: ' + special.id);
+      expect(special.name).toBeDefined('Special has no name, ID:' + special.id);
+      ids[special.id] = true;
     }
   });