diff --git a/code/modules/projectiles/guns/rifles.dm b/code/modules/projectiles/guns/rifles.dm
index c1ee355a6e21..b4498ef0f1b0 100644
--- a/code/modules/projectiles/guns/rifles.dm
+++ b/code/modules/projectiles/guns/rifles.dm
@@ -384,7 +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
+		/obj/item/attachable/heavy_barrel/upgraded,
 	)
 
 	flags_gun_features = GUN_AUTO_EJECTOR|GUN_CAN_POINTBLANK|GUN_AMMO_COUNTER