diff --git a/code/modules/projectiles/guns/rifles.dm b/code/modules/projectiles/guns/rifles.dm
index c9e9daacc5a9..c1ee355a6e21 100644
--- a/code/modules/projectiles/guns/rifles.dm
+++ b/code/modules/projectiles/guns/rifles.dm
@@ -384,6 +384,7 @@
 		/obj/item/attachable/attached_gun/grenade/mk1,
 		/obj/item/attachable/stock/rifle/collapsible,
 		/obj/item/attachable/attached_gun/shotgun,
+		/obj/item/attachable/heavy_barrel/upgraded
 	)
 
 	flags_gun_features = GUN_AUTO_EJECTOR|GUN_CAN_POINTBLANK|GUN_AMMO_COUNTER
@@ -460,8 +461,6 @@
 		/obj/item/attachable/reflex,
 		/obj/item/attachable/flashlight,
 		/obj/item/attachable/extended_barrel,
-		/obj/item/attachable/heavy_barrel,
-		/obj/item/attachable/heavy_barrel/upgraded,
 		/obj/item/attachable/scope/mini,
 		/obj/item/attachable/verticalgrip,
 		/obj/item/attachable/angledgrip,
diff --git a/fray-marines/code/game/objects/items/attachable.dm b/fray-marines/code/game/objects/items/attachable.dm
index 8f655fdde789..5a8dd6c00f88 100644
--- a/fray-marines/code/game/objects/items/attachable.dm
+++ b/fray-marines/code/game/objects/items/attachable.dm
@@ -3,7 +3,7 @@
 
 /obj/item/attachable/heavy_barrel/upgraded
 	name = "upgraded barrel charger"
-	desc = "A hyper threaded barrel extender that fits to the muzzle of most firearms. Increases bullet speed and velocity.\nGreatly increases projectile damage at the cost of accuracy and firing speed."
+	desc = "A hyper threaded barrel extender that fits to the muzzle of most firearms. Increases bullet speed and velocity.\nGreatly increases projectile damage at the cost of accuracy and firing speed. Can be attachable to MK1"
 	icon = 'fray-marines/icons/obj/items/weapons/guns/attachments/barrel.dmi'
 	icon_state = "ubc"
 	attach_icon = "ubc_a"