diff --git a/code/modules/projectiles/ammunition/ammo_casings.dm b/code/modules/projectiles/ammunition/ammo_casings.dm
index fc1b3594bad..6236b8a42ab 100644
--- a/code/modules/projectiles/ammunition/ammo_casings.dm
+++ b/code/modules/projectiles/ammunition/ammo_casings.dm
@@ -86,7 +86,7 @@
 	muzzle_flash_range = MUZZLE_FLASH_RANGE_NORMAL
 
 /obj/item/ammo_casing/c46x30mm/ap
-	projectile_type = /obj/item/projectile/bullet/armourpiercing/wt550
+	projectile_type = /obj/item/projectile/bullet/armourpiercing
 
 /obj/item/ammo_casing/c46x30mm/tox
 	projectile_type = /obj/item/projectile/bullet/toxinbullet
diff --git a/code/modules/projectiles/projectile/bullets.dm b/code/modules/projectiles/projectile/bullets.dm
index 6e75be6c4e8..8af31e1cd3c 100644
--- a/code/modules/projectiles/projectile/bullets.dm
+++ b/code/modules/projectiles/projectile/bullets.dm
@@ -80,9 +80,6 @@
 	damage = 17
 	armour_penetration = 30
 
-/obj/item/projectile/bullet/armourpiercing/wt550
-	damage = 15
-	armour_penetration = 40
 /obj/item/projectile/bullet/pellet
 	name = "pellet"
 	damage = 12.5