diff --git a/modular_splurt/code/modules/projectiles/boxes_magazines/ammo_boxes.dm b/modular_splurt/code/modules/projectiles/boxes_magazines/ammo_boxes.dm
index 838a038baa..78cbd2fd7b 100644
--- a/modular_splurt/code/modules/projectiles/boxes_magazines/ammo_boxes.dm
+++ b/modular_splurt/code/modules/projectiles/boxes_magazines/ammo_boxes.dm
@@ -69,6 +69,16 @@
 	name = "ammo box (9mm Rubber)"
 	ammo_type = /obj/item/ammo_casing/c9mm/rubber
 
+/obj/item/ammo_box/kaiju
+	name = "ammo box (Kaiju Bullets)"
+	icon_state = "kaijubox"
+	ammo_type = /obj/item/ammo_casing/kaiju
+	max_ammo = 40
+
+/obj/item/ammo_box/kaiju/lethal
+	name = "ammo box (Kaiju Bullets)"
+	icon = 'modular_splurt/icons/obj/ammo.dmi'
+
 /obj/item/ammo_box/a543/lethal
 	name = "ammo box (.5x43mm Lethal)"
 	icon_state = "543box"