diff --git a/code/modules/projectiles/ammunition/magazines.dm b/code/modules/projectiles/ammunition/magazines.dm
index 982948b4b73..4ca4137b335 100644
--- a/code/modules/projectiles/ammunition/magazines.dm
+++ b/code/modules/projectiles/ammunition/magazines.dm
@@ -326,7 +326,7 @@ obj/item/ammo_box/magazine/tommygunm45
 /obj/item/ammo_box/magazine/m12g/breach
 	name = "shotgun magazine (12g breacher slugs)"
 	icon_state = "m12gbc"
-	ammo_type = /obj/item/projectile/bullet/meteorshot/weak
+	ammo_type = /obj/item/ammo_casing/shotgun/breaching
 
 /obj/item/ammo_box/magazine/toy
 	name = "foam force META magazine"