--- a/data/json/recipes/ammo/rifle.json
+++ b/data/json/recipes/ammo/rifle.json
@@ -385,6 +385,7 @@
     "batch_time_factors": [ 60, 5 ],
     "book_learn": [ [ "recipe_bullets", 2 ], [ "mag_rifle", 4 ] ],
     "charges": 1,
+    "reversible": true,
     "using": [ [ "bullet_forming", 15 ], [ "ammo_bullet", 8 ] ],
     "components": [
       [ [ "4570_casing", 1 ] ],
@@ -406,6 +407,7 @@
     "batch_time_factors": [ 60, 5 ],
     "book_learn": [ [ "recipe_bullets", 2 ], [ "mag_rifle", 4 ] ],
     "charges": 1,
+    "reversible": true,
     "using": [ [ "bullet_forming", 15 ], [ "ammo_bullet", 8 ] ],
     "components": [
       [ [ "4570_casing", 1 ] ],
@@ -426,6 +428,7 @@
     "batch_time_factors": [ 60, 5 ],
     "book_learn": [ [ "recipe_bullets", 2 ], [ "mag_rifle", 4 ] ],
     "charges": 1,
+    "reversible": true,
     "using": [ [ "bullet_forming", 15 ], [ "ammo_bullet", 8 ] ],
     "components": [
       [ [ "4570_casing", 1 ] ],
@@ -446,6 +449,7 @@
     "batch_time_factors": [ 60, 5 ],
     "book_learn": [ [ "recipe_bullets", 2 ], [ "mag_rifle", 4 ] ],
     "charges": 1,
+    "reversible": true,
     "using": [ [ "bullet_forming", 15 ], [ "ammo_bullet", 8 ] ],
     "components": [ [ [ "4570_casing", 1 ] ], [ [ "lgrifle_primer", 1 ] ], [ [ "chem_black_powder", 12 ] ], [ [ "lead", 9 ] ] ]
   },
--- a/data/json/recipes/ammo/shot.json
+++ b/data/json/recipes/ammo/shot.json
@@ -62,6 +62,7 @@
     "batch_time_factors": [ 60, 5 ],
     "book_learn": [ [ "recipe_bullets", 3 ], [ "manual_shotgun", 3 ] ],
     "charges": 1,
+    "reversible": true,
     "using": [ [ "ammo_shot", 1 ] ],
     "tools": [ [ [ "press", -1 ] ] ],
     "components": [ [ [ "gunpowder", 3 ], [ "gunpowder_pistol", 3 ], [ "gunpowder_shotgun", 3 ] ], [ [ "magnesium", 5 ] ] ]