diff --git a/code/modules/projectiles/projectile/bullets/smg.dm b/code/modules/projectiles/projectile/bullets/smg.dm
index 50532a5977..4044a9629c 100644
--- a/code/modules/projectiles/projectile/bullets/smg.dm
+++ b/code/modules/projectiles/projectile/bullets/smg.dm
@@ -23,4 +23,4 @@
 /obj/item/projectile/bullet/incendiary/c46x30mm
 	name = "4.6x30mm incendiary bullet"
 	damage = 10
-	fire_stacks = 1
+	fire_stacks = 1
\ No newline at end of file
diff --git a/modular_citadel/code/modules/projectiles/ammunition/ballistic/smg/smg.dm b/modular_citadel/code/modules/projectiles/ammunition/ballistic/smg/smg.dm
new file mode 100644
index 0000000000..7a2f69de5a
--- /dev/null
+++ b/modular_citadel/code/modules/projectiles/ammunition/ballistic/smg/smg.dm
@@ -0,0 +1,5 @@
+
+/obj/item/ammo_casing/c46x30mm/tx
+	name = "Toxin Tipped 4.6x30mm bullet casing."
+	desc = "A Toxin Tipped 4.6x30mm bullet casing."
+	projectile_type = /obj/item/projectile/bullet/c46x30mm
diff --git a/modular_citadel/code/modules/projectiles/boxes_magazines/external/smg/smg.dm b/modular_citadel/code/modules/projectiles/boxes_magazines/external/smg/smg.dm
new file mode 100644
index 0000000000..fb385234bd
--- /dev/null
+++ b/modular_citadel/code/modules/projectiles/boxes_magazines/external/smg/smg.dm
@@ -0,0 +1,3 @@
+/obj/item/ammo_box/magazine/wt550m9/wttx
+	name = "wt550 magazine (Toxin Tipped 4.6x30mm)"
+	ammo_type = /obj/item/ammo_casing/c46x30mm/tx
\ No newline at end of file
diff --git a/modular_citadel/code/modules/projectiles/bullets/bullets/smg.dm b/modular_citadel/code/modules/projectiles/bullets/bullets/smg.dm
new file mode 100644
index 0000000000..f069a73fe8
--- /dev/null
+++ b/modular_citadel/code/modules/projectiles/bullets/bullets/smg.dm
@@ -0,0 +1,4 @@
+/obj/item/projectile/bullet/c46x30mm_tx
+	name = "toxin tipped 4.6x30mm bullet"
+	damage = 15
+	damage_type = TOX
\ No newline at end of file
diff --git a/modular_citadel/code/modules/research/designs/weapon_designs/weapon_designs.dm b/modular_citadel/code/modules/research/designs/weapon_designs/weapon_designs.dm
new file mode 100644
index 0000000000..0db3bb9b1d
--- /dev/null
+++ b/modular_citadel/code/modules/research/designs/weapon_designs/weapon_designs.dm
@@ -0,0 +1,7 @@
+/datum/design/mag_oldsmg/tx_mag
+	name = "WT-550 Auto Gun Uranium Magazine (4.6x30mm TX)"
+	desc = "A 20 round uranium tipped magazine for the out of date security WT-550 Auto Rifle"
+	id = "mag_oldsmg_tx"
+	materials = list(MAT_METAL = 6000, MAT_SILVER = 600, MAT_URANIUM = 2000)
+	build_path = /obj/item/ammo_box/magazine/wt550m9/wttx
+	departmental_flags = DEPARTMENTAL_FLAG_SECURITY
\ No newline at end of file
diff --git a/modular_citadel/code/modules/research/techweb/all_nodes.dm b/modular_citadel/code/modules/research/techweb/all_nodes.dm
index e890b3a07a..0af69860de 100644
--- a/modular_citadel/code/modules/research/techweb/all_nodes.dm
+++ b/modular_citadel/code/modules/research/techweb/all_nodes.dm
@@ -22,3 +22,6 @@
 	design_ids = list("arcade_battle", "arcade_orion", "slotmachine", "autoylathe")
 	research_costs = list(TECHWEB_POINT_TYPE_GENERIC = 1000)
 	export_price = 5000
+
+/datum/techweb_node/ballistic_weapons
+	design_ids = list("mag_oldsmg", "mag_oldsmg_ap", "mag_oldsmg_ic", "mag_oldsmg_tx")
diff --git a/tgstation.dme b/tgstation.dme
index 65a0274e81..18b0c6470d 100755
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -2840,7 +2840,10 @@
 #include "modular_citadel\code\modules\power\lighting.dm"
 #include "modular_citadel\code\modules\projectiles\gun.dm"
 #include "modular_citadel\code\modules\projectiles\ammunition\caseless.dm"
+#include "modular_citadel\code\modules\projectiles\ammunition\ballistic\smg\smg.dm"
 #include "modular_citadel\code\modules\projectiles\boxes_magazines\ammo_boxes.dm"
+#include "modular_citadel\code\modules\projectiles\boxes_magazines\external\smg\smg.dm"
+#include "modular_citadel\code\modules\projectiles\bullets\bullets\smg.dm"
 #include "modular_citadel\code\modules\projectiles\guns\pumpenergy.dm"
 #include "modular_citadel\code\modules\projectiles\guns\toys.dm"
 #include "modular_citadel\code\modules\projectiles\guns\ballistic\flechette.dm"
@@ -2864,6 +2867,7 @@
 #include "modular_citadel\code\modules\research\designs\machine_designs.dm"
 #include "modular_citadel\code\modules\research\designs\weapon_designs.dm"
 #include "modular_citadel\code\modules\research\designs\xenobio_designs.dm"
+#include "modular_citadel\code\modules\research\designs\weapon_designs\weapon_designs.dm"
 #include "modular_citadel\code\modules\research\techweb\_techweb.dm"
 #include "modular_citadel\code\modules\research\techweb\all_nodes.dm"
 #include "modular_citadel\code\modules\research\xenobiology\xenobio_camera.dm"