diff --git a/data/json/items/ammo.json b/data/json/items/ammo.json
index 2352aa69cc67a..34d6619f28b19 100644
--- a/data/json/items/ammo.json
+++ b/data/json/items/ammo.json
@@ -413,25 +413,6 @@
     "stack_size": 100,
     "count": 20
   },
-  {
-    "type": "AMMO",
-    "id": "66mm_HEAT",
-    "price": 0,
-    "name": { "str": "66mm HEAT" },
-    "symbol": "=",
-    "color": "dark_gray",
-    "description": "A 60mm high-explosive anti-tank round.  It could blow through up to two feet of concrete.",
-    "material": [ "steel", "powder" ],
-    "volume": "250 ml",
-    "weight": "1803 g",
-    "ammo_type": "66mm",
-    "damage": 2500,
-    "pierce": 400,
-    "range": 80,
-    "dispersion": 30,
-    "recoil": 225,
-    "effects": [ "COOKOFF", "EXPLOSIVE", "TRAIL" ]
-  },
   {
     "type": "AMMO",
     "id": "120mm_HEAT",
@@ -442,7 +423,7 @@
     "description": "A 120mm high-explosive anti-tank round.  It could ruin anyone's whole day.",
     "material": [ "steel", "powder" ],
     "volume": "250 ml",
-    "weight": "1803 g",
+    "weight": "22725 g",
     "ammo_type": "120mm",
     "damage": 40,
     "pierce": 10,
@@ -700,82 +681,6 @@
     "ammo_type": "components",
     "count": 35
   },
-  {
-    "type": "AMMO",
-    "id": "RPG-7_ammo",
-    "price": 10000,
-    "name": { "str": "PG-7VL 93mm rocket" },
-    "symbol": "=",
-    "color": "dark_gray",
-    "description": "93mm single-stage high-explosive ammunition for the RPG-7.",
-    "material": [ "steel", "powder" ],
-    "volume": "1750 ml",
-    "weight": "2600 g",
-    "ammo_type": "RPG-7",
-    "damage": 3000,
-    "pierce": 750,
-    "range": 60,
-    "dispersion": 75,
-    "recoil": 450,
-    "effects": [ "COOKOFF", "EXPLOSIVE", "TRAIL", "NEVER_MISFIRES" ]
-  },
-  {
-    "type": "AMMO",
-    "id": "RPG-7_pg7vr",
-    "price": 10000,
-    "name": { "str": "PG-7VR 64mm/105mm rocket" },
-    "symbol": "=",
-    "color": "dark_gray",
-    "description": "64mm/105mm high-explosive tandem ammunition for the RPG-7.",
-    "material": [ "steel", "powder" ],
-    "volume": "2250 ml",
-    "weight": "4500 g",
-    "ammo_type": "RPG-7",
-    "damage": 3250,
-    "pierce": 1450,
-    "range": 30,
-    "dispersion": 75,
-    "recoil": 450,
-    "effects": [ "COOKOFF", "EXPLOSIVE", "TRAIL", "NEVER_MISFIRES" ]
-  },
-  {
-    "type": "AMMO",
-    "id": "RPG-7_tbg7v",
-    "price": 10000,
-    "name": { "str": "TBG-7V 105mm rocket" },
-    "symbol": "=",
-    "color": "dark_gray",
-    "description": "105mm thermobaric ammunition for the RPG-7.",
-    "material": [ "plastic", "powder" ],
-    "volume": "2250 ml",
-    "weight": "4500 g",
-    "ammo_type": "RPG-7",
-    "damage": 150,
-    "pierce": 10,
-    "range": 30,
-    "dispersion": 50,
-    "recoil": 450,
-    "effects": [ "COOKOFF", "TRAIL", "NEVER_MISFIRES", "NAPALM_BIG" ]
-  },
-  {
-    "type": "AMMO",
-    "id": "RPG-7_og7v",
-    "price": 8000,
-    "name": { "str": "OG-7V 40mm rocket" },
-    "symbol": "=",
-    "color": "dark_gray",
-    "description": "40mm high-explosive fragmentation antipersonnel ammunition for the RPG-7.",
-    "material": [ "steel", "powder" ],
-    "volume": "1 L",
-    "weight": "2000 g",
-    "ammo_type": "RPG-7",
-    "damage": 80,
-    "pierce": 10,
-    "range": 45,
-    "dispersion": 50,
-    "recoil": 350,
-    "effects": [ "COOKOFF", "NEVER_MISFIRES", "FRAG" ]
-  },
   {
     "type": "AMMO",
     "id": "generic_no_ammo",
diff --git a/data/json/items/ammo/66mm.json b/data/json/items/ammo/66mm.json
index 80c337f7d9d59..fd9a931914310 100644
--- a/data/json/items/ammo/66mm.json
+++ b/data/json/items/ammo/66mm.json
@@ -10,7 +10,7 @@
     "description": "66mm incendiary rockets used in the M202 FLASH rocket launcher.  Their warheads are filled with a thickened pyrophoric agent, which burns at 2200 degrees Fahrenheit.",
     "material": [ "steel", "powder" ],
     "volume": "2 L",
-    "weight": "1140 g",
+    "weight": "1338 g",
     "ammo_type": "m235",
     "damage": 60,
     "pierce": 10,
@@ -19,5 +19,24 @@
     "recoil": 150,
     "count": 4,
     "effects": [ "COOKOFF", "PYROPHORIC", "TRAIL", "NEVER_MISFIRES" ]
+  },
+  {
+    "type": "AMMO",
+    "id": "66mm_HEAT",
+    "price": 200000,
+    "name": "66mm HEAT",
+    "symbol": "=",
+    "color": "dark_gray",
+    "description": "A 66mm high-explosive anti-tank round.  It could blow through up to two feet of concrete.",
+    "material": [ "steel", "powder" ],
+    "volume": "250 ml",
+    "weight": "2131 g",
+    "ammo_type": "66mm",
+    "damage": 2500,
+    "pierce": 400,
+    "range": 80,
+    "dispersion": 30,
+    "recoil": 225,
+    "effects": [ "COOKOFF", "EXPLOSIVE", "TRAIL" ]
   }
 ]
diff --git a/data/json/items/ammo/rpg.json b/data/json/items/ammo/rpg.json
new file mode 100644
index 0000000000000..f3cf03d889538
--- /dev/null
+++ b/data/json/items/ammo/rpg.json
@@ -0,0 +1,78 @@
+[
+  {
+    "type": "AMMO",
+    "id": "RPG-7_ammo",
+    "price": 10000,
+    "name": "PG-7VL 93mm rocket",
+    "symbol": "=",
+    "color": "dark_gray",
+    "description": "93mm single-stage high-explosive ammunition for the RPG-7.",
+    "material": [ "steel", "powder" ],
+    "volume": "1750 ml",
+    "weight": "2600 g",
+    "ammo_type": "RPG-7",
+    "damage": 3000,
+    "pierce": 750,
+    "range": 60,
+    "dispersion": 75,
+    "recoil": 450,
+    "effects": [ "COOKOFF", "EXPLOSIVE", "TRAIL", "NEVER_MISFIRES" ]
+  },
+  {
+    "type": "AMMO",
+    "id": "RPG-7_pg7vr",
+    "price": 10000,
+    "name": "PG-7VR 64mm/105mm rocket",
+    "symbol": "=",
+    "color": "dark_gray",
+    "description": "64mm/105mm high-explosive tandem ammunition for the RPG-7.",
+    "material": [ "steel", "powder" ],
+    "volume": "2250 ml",
+    "weight": "4500 g",
+    "ammo_type": "RPG-7",
+    "damage": 3250,
+    "pierce": 1450,
+    "range": 30,
+    "dispersion": 75,
+    "recoil": 450,
+    "effects": [ "COOKOFF", "EXPLOSIVE", "TRAIL", "NEVER_MISFIRES" ]
+  },
+  {
+    "type": "AMMO",
+    "id": "RPG-7_tbg7v",
+    "price": 10000,
+    "name": "TBG-7V 105mm rocket",
+    "symbol": "=",
+    "color": "dark_gray",
+    "description": "105mm thermobaric ammunition for the RPG-7.",
+    "material": [ "plastic", "powder" ],
+    "volume": "2250 ml",
+    "weight": "4500 g",
+    "ammo_type": "RPG-7",
+    "damage": 150,
+    "pierce": 10,
+    "range": 30,
+    "dispersion": 50,
+    "recoil": 450,
+    "effects": [ "COOKOFF", "TRAIL", "NEVER_MISFIRES", "NAPALM_BIG" ]
+  },
+  {
+    "type": "AMMO",
+    "id": "RPG-7_og7v",
+    "price": 8000,
+    "name": "OG-7V 40mm rocket",
+    "symbol": "=",
+    "color": "dark_gray",
+    "description": "40mm high-explosive fragmentation antipersonnel ammunition for the RPG-7.",
+    "material": [ "steel", "powder" ],
+    "volume": "1 L",
+    "weight": "2000 g",
+    "ammo_type": "RPG-7",
+    "damage": 80,
+    "pierce": 10,
+    "range": 45,
+    "dispersion": 50,
+    "recoil": 350,
+    "effects": [ "COOKOFF", "NEVER_MISFIRES", "FRAG" ]
+  }
+]
diff --git a/data/json/items/chemicals_and_resources.json b/data/json/items/chemicals_and_resources.json
index 2177bfa909c05..1d07657482af9 100644
--- a/data/json/items/chemicals_and_resources.json
+++ b/data/json/items/chemicals_and_resources.json
@@ -879,6 +879,24 @@
     "ammo_type": "components",
     "count": 500
   },
+  {
+    "type": "AMMO",
+    "id": "chem_compositionb",
+    "category": "chems",
+    "price": 7500,
+    "name": "composition b",
+    "name_plural": "composition b",
+    "symbol": "=",
+    "color": "brown",
+    "description": "Composition B is an explosive consisting of castable mixtures of RDX and TNT.  It is used as the main explosive filling in artillery projectiles, rockets, land mines, hand grenades and various other munitions.",
+    "material": "powder",
+    "//": "Density of composition B is 1.65 g/cm3. Slightly rounded the volume from 303 to 300",
+    "volume": "300 ml",
+    "weight": "1 g",
+    "bashing": 1,
+    "ammo_type": "components",
+    "count": 500
+  },
   {
     "type": "AMMO",
     "id": "chem_hmtd",
diff --git a/data/json/items/generic.json b/data/json/items/generic.json
index 25b5d6fabfba3..cf7376cdb5f4f 100644
--- a/data/json/items/generic.json
+++ b/data/json/items/generic.json
@@ -807,6 +807,34 @@
     "weight": "5 g",
     "volume": "5 ml"
   },
+  {
+    "type": "GENERIC",
+    "id": "delay_fuze",
+    "symbol": ",",
+    "color": "light_gray",
+    "name": "delayed fuze",
+    "category": "spare_parts",
+    "description": "A complex mechanical fuze.  It seems it can be used to detonate stable explosives after a short time by triggering it.",
+    "price": 1000,
+    "price_postapoc": 250,
+    "material": [ "steel", "plastic" ],
+    "weight": "5 g",
+    "volume": 0
+  },
+  {
+    "type": "GENERIC",
+    "id": "impact_fuze",
+    "symbol": ",",
+    "color": "light_gray",
+    "name": "impact fuze",
+    "category": "spare_parts",
+    "description": "A complex mechanical fuze.  It seems it can be used to detonate stable explosives upon a solid impact.",
+    "price": 1000,
+    "price_postapoc": 250,
+    "material": [ "steel", "plastic" ],
+    "weight": "5 g",
+    "volume": 0
+  },
   {
     "type": "GENERIC",
     "id": "toaster",
diff --git a/data/json/recipes/weapon/explosive.json b/data/json/recipes/weapon/explosive.json
index 142f603971dad..75ddb3daa78c8 100644
--- a/data/json/recipes/weapon/explosive.json
+++ b/data/json/recipes/weapon/explosive.json
@@ -341,6 +341,27 @@
     "using": [ [ "volatile_explosive", 23 ] ],
     "components": [ [ [ "can_food_unsealed", 1 ] ], [ [ "fuse", 1 ] ] ]
   },
+  {
+    "result": "pipebomb",
+    "type": "recipe",
+    "id_suffix": "stable",
+    "category": "CC_WEAPON",
+    "subcategory": "CSC_WEAPON_EXPLOSIVE",
+    "skill_used": "fabrication",
+    "skills_required": [ "cooking", 5 ],
+    "difficulty": 5,
+    "time": "15 m",
+    "reversible": true,
+    "book_learn": [ [ "manual_launcher", 4 ], [ "textbook_anarch", 5 ] ],
+    "using": [ [ "explosives_casting_standard", 1 ] ],
+    "qualities": [ { "id": "SAW_M", "level": 1 } ],
+    "components": [
+      [ [ "pipe", 1 ] ],
+      [ [ "fuse", 1 ] ],
+      [ [ "chem_compositionb", 225 ] ],
+      [ [ "chem_black_powder", 10 ], [ "chem_match_head_powder", 10 ], [ "gunpowder", 5 ] ]
+    ]
+  },
   {
     "result": "tool_black_powder_charge",
     "type": "recipe",
diff --git a/data/json/requirements/ammo.json b/data/json/requirements/ammo.json
index c85737eef8b18..8803b1373cfbb 100644
--- a/data/json/requirements/ammo.json
+++ b/data/json/requirements/ammo.json
@@ -239,5 +239,11 @@
     "type": "requirement",
     "//": "References needed for boltfaces and magazines using 7.62x54R or derivatives",
     "tools": [ [ [ "762R_casing", -1 ], [ "762_54R", -1 ], [ "reloaded_762_54R", -1 ] ] ]
+  },
+  {
+    "id": "explosives_casting_standard",
+    "type": "requirement",
+    "//": "References needed for forge and crucible to recast your stabilized explosives",
+    "tools": [ [ [ "crucible", -1 ], [ "crucible_clay", -1 ] ], [ [ "forge", 25 ] ] ]
   }
 ]
diff --git a/data/json/uncraft/ammo/120mm.json b/data/json/uncraft/ammo/120mm.json
new file mode 100644
index 0000000000000..a4d3eefa948ff
--- /dev/null
+++ b/data/json/uncraft/ammo/120mm.json
@@ -0,0 +1,18 @@
+[
+  {
+    "result": "120mm_HEAT",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [
+      [ [ "copper", 2500 ] ],
+      [ [ "chem_compositionb", 6000 ] ],
+      [ [ "gunpowder_artillery", 8000 ] ],
+      [ [ "impact_fuze", 1 ] ],
+      [ [ "scrap", 25 ] ]
+    ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  }
+]
diff --git a/data/json/uncraft/ammo/40x46mm.json b/data/json/uncraft/ammo/40x46mm.json
new file mode 100644
index 0000000000000..2230dd0716ab2
--- /dev/null
+++ b/data/json/uncraft/ammo/40x46mm.json
@@ -0,0 +1,47 @@
+[
+  {
+    "result": "40x46mm_m1006",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 4,
+    "time": "3 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 }, { "id": "PULL", "level": 1 } ],
+    "components": [ [ [ "smpistol_primer", 1 ] ], [ [ "gunpowder_shotgun", 35 ] ], [ [ "38_casing", 1 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "40x46mm_m433",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 4,
+    "time": "3 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 }, { "id": "PULL", "level": 1 } ],
+    "components": [ [ [ "smpistol_primer", 1 ] ], [ [ "combatnail", 70 ] ], [ [ "gunpowder_shotgun", 35 ] ], [ [ "impact_fuze", 1 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "40x46mm_m576",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 4,
+    "time": "3 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 }, { "id": "PULL", "level": 1 } ],
+    "components": [
+      [ [ "lgpistol_primer", 1 ] ],
+      [ [ "chem_compositionb", 32 ] ],
+      [ [ "gunpowder_shotgun", 35 ] ],
+      [ [ "impact_fuze", 1 ] ]
+    ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "40x46mm_m651",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 4,
+    "time": "3 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 }, { "id": "PULL", "level": 1 } ],
+    "components": [ [ [ "smpistol_primer", 1 ] ], [ [ "gunpowder_shotgun", 35 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  }
+]
diff --git a/data/json/uncraft/ammo/40x53mm.json b/data/json/uncraft/ammo/40x53mm.json
new file mode 100644
index 0000000000000..e34a6ef5fb3d5
--- /dev/null
+++ b/data/json/uncraft/ammo/40x53mm.json
@@ -0,0 +1,33 @@
+[
+  {
+    "result": "40x53mm_m1001",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "3 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 }, { "id": "PULL", "level": 1 } ],
+    "components": [
+      [ [ "40x53mm_m169_casing", 1 ] ],
+      [ [ "combatnail", 100 ] ],
+      [ [ "gunpowder_shotgun", 35 ] ],
+      [ [ "lgrifle_primer", 1 ] ]
+    ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "40x53mm_m430a1",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "3 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 }, { "id": "PULL", "level": 1 } ],
+    "components": [
+      [ [ "40x53mm_m169_casing", 1 ] ],
+      [ [ "chem_compositionb", 32 ] ],
+      [ [ "gunpowder_shotgun", 35 ] ],
+      [ [ "impact_fuze", 1 ] ],
+      [ [ "lgrifle_primer", 1 ] ]
+    ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  }
+]
diff --git a/data/json/uncraft/ammo/66mm.json b/data/json/uncraft/ammo/66mm.json
new file mode 100644
index 0000000000000..5a5729f28d8c7
--- /dev/null
+++ b/data/json/uncraft/ammo/66mm.json
@@ -0,0 +1,32 @@
+[
+  {
+    "result": "m235tpa",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [ [ [ "incendiary", 295 ] ], [ [ "impact_fuze", 1 ] ], [ [ "scrap", 1 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "66mm_HEAT",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [ [ [ "copper", 50 ] ], [ [ "chem_compositionb", 300 ] ], [ [ "impact_fuze", 1 ] ], [ [ "scrap", 1 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "LAW",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [ [ [ "copper", 50 ] ], [ [ "chem_compositionb", 300 ] ], [ [ "impact_fuze", 1 ] ], [ [ "scrap", 3 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  }
+]
diff --git a/data/json/uncraft/ammo/84x246mm.json b/data/json/uncraft/ammo/84x246mm.json
new file mode 100644
index 0000000000000..0c41a5336274f
--- /dev/null
+++ b/data/json/uncraft/ammo/84x246mm.json
@@ -0,0 +1,32 @@
+[
+  {
+    "result": "84x246mm_he",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [ [ [ "chem_compositionb", 500 ] ], [ [ "impact_fuze", 1 ] ], [ [ "scrap", 3 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "84x246mm_hedp",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [ [ [ "chem_compositionb", 600 ] ], [ [ "impact_fuze", 1 ] ], [ [ "scrap", 3 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "84x246mm_smoke",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [ [ [ "impact_fuze", 1 ] ], [ [ "scrap", 2 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  }
+]
diff --git a/data/json/uncraft/ammo/atgm.json b/data/json/uncraft/ammo/atgm.json
index 0114aa25ded11..647b908c4d18d 100644
--- a/data/json/uncraft/ammo/atgm.json
+++ b/data/json/uncraft/ammo/atgm.json
@@ -9,8 +9,8 @@
     "components": [
       [ [ "atgm_spent", 1 ] ],
       [ [ "copper", 2004 ] ],
-      [ [ "chem_hmtd", 5 ] ],
-      [ [ "chem_rdx", 60 ] ],
+      [ [ "chem_compositionb", 4500 ] ],
+      [ [ "impact_fuze", 1 ] ],
       [ [ "scrap", 20 ] ],
       [ [ "e_scrap", 3 ] ]
     ],
diff --git a/data/json/uncraft/ammo/rpg.json b/data/json/uncraft/ammo/rpg.json
new file mode 100644
index 0000000000000..0d795418b57c2
--- /dev/null
+++ b/data/json/uncraft/ammo/rpg.json
@@ -0,0 +1,61 @@
+[
+  {
+    "result": "RPG-7_ammo",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [
+      [ [ "copper", 200 ] ],
+      [ [ "chem_compositionb", 450 ] ],
+      [ [ "gunpowder_artillery", 300 ] ],
+      [ [ "impact_fuze", 1 ] ],
+      [ [ "scrap", 3 ] ]
+    ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "RPG-7_pg7vr",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [
+      [ [ "copper", 250 ] ],
+      [ [ "chem_compositionb", 1500 ] ],
+      [ [ "gunpowder_artillery", 300 ] ],
+      [ [ "impact_fuze", 1 ] ],
+      [ [ "scrap", 3 ] ]
+    ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "RPG-7_tbg7v",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [
+      [ [ "copper", 50 ] ],
+      [ [ "chem_compositionb", 50 ] ],
+      [ [ "gunpowder_artillery", 300 ] ],
+      [ [ "impact_fuze", 1 ] ],
+      [ [ "scrap", 3 ] ],
+      [ [ "incendiary", 150 ] ]
+    ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  },
+  {
+    "result": "RPG-7_og7v",
+    "type": "uncraft",
+    "skill_used": "fabrication",
+    "difficulty": 6,
+    "time": "10 m",
+    "qualities": [ { "id": "SCREW", "level": 1 }, { "id": "SAW_M", "level": 1 } ],
+    "components": [ [ [ "chem_compositionb", 200 ] ], [ [ "gunpowder_artillery", 300 ] ], [ [ "impact_fuze", 1 ] ], [ [ "scrap", 3 ] ] ],
+    "flags": [ "UNCRAFT_SINGLE_CHARGE" ]
+  }
+]
diff --git a/data/json/uncraft/weapon/explosive.json b/data/json/uncraft/weapon/explosive.json
index 474a21a4307e0..8a2c36534607f 100644
--- a/data/json/uncraft/weapon/explosive.json
+++ b/data/json/uncraft/weapon/explosive.json
@@ -3,19 +3,27 @@
     "type": "uncraft",
     "result": "grenade",
     "skill_used": "fabrication",
-    "difficulty": 2,
+    "difficulty": 3,
     "time": "50 s",
     "qualities": [ { "id": "SCREW", "level": 1 } ],
-    "//": "No trinitrotoluene in the game at present, but Composition B includes RDX as well.",
-    "components": [ [ [ "pilot_light", 1 ] ], [ [ "canister_empty", 1 ] ], [ [ "chem_rdx", 200 ] ] ]
+    "components": [ [ [ "delay_fuze", 1 ] ], [ [ "canister_empty", 1 ] ], [ [ "chem_compositionb", 200 ] ] ]
   },
   {
     "type": "uncraft",
     "result": "grenade_inc",
     "skill_used": "fabrication",
-    "difficulty": 2,
+    "difficulty": 3,
     "time": "50 s",
     "qualities": [ { "id": "SCREW", "level": 1 } ],
-    "components": [ [ [ "pilot_light", 1 ] ], [ [ "canister_empty", 1 ] ], [ [ "incendiary", 150 ] ] ]
+    "components": [ [ [ "delay_fuze", 1 ] ], [ [ "canister_empty", 1 ] ], [ [ "incendiary", 150 ] ] ]
+  },
+  {
+    "type": "uncraft",
+    "result": "landmine",
+    "skill_used": "fabrication",
+    "difficulty": 4,
+    "time": "50 s",
+    "qualities": [ { "id": "SCREW", "level": 1 } ],
+    "components": [ [ [ "delay_fuze", 1 ] ], [ [ "canister_empty", 1 ] ], [ [ "chem_compositionb", 75 ] ] ]
   }
 ]