diff --git a/code/modules/research/designs/weapon_designs.dm b/code/modules/research/designs/weapon_designs.dm
index 11bc31bedc..5176c4fd71 100644
--- a/code/modules/research/designs/weapon_designs.dm
+++ b/code/modules/research/designs/weapon_designs.dm
@@ -105,7 +105,7 @@
 	materials = list(MAT_METAL = 200)
 	build_path = /obj/item/ammo_casing/shotgun/stunslug
 	category = list("Ammo")
-	departmental_flags = DEPARTMENTAL_FLAG_SECURITY
+	departmental_flags = DEPARTMENTAL_FLAG_SECURITY | DEPARTMENTAL_FLAG_SCIENCE
 
 /datum/design/techshell
 	name = "Unloaded Technological Shotshell"
@@ -139,7 +139,7 @@
 	materials = list(MAT_METAL = 500, MAT_GLASS = 300)
 	build_path = /obj/item/firing_pin/test_range
 	category = list("Firing Pins")
-	departmental_flags = DEPARTMENTAL_FLAG_SECURITY
+	departmental_flags = DEPARTMENTAL_FLAG_SECURITY | DEPARTMENTAL_FLAG_SCIENCE
 
 /datum/design/pin_mindshield
 	name = "Mindshield Firing Pin"
@@ -235,7 +235,7 @@
 	reagents_list = list("radium" = 20)
 	build_path = /obj/item/gun/energy/floragun
 	category = list("Weapons")
-	departmental_flags = DEPARTMENTAL_FLAG_SERVICE
+	departmental_flags = DEPARTMENTAL_FLAG_SERVICE | DEPARTMENTAL_FLAG_SCIENCE
 
 /datum/design/xray
 	name = "X-ray Laser Gun"
@@ -309,7 +309,7 @@
 	materials = list(MAT_METAL = 2000, MAT_PLASMA = 500)
 	build_path = /obj/item/grenade/chem_grenade/pyro
 	category = list("Weapons")
-	departmental_flags = DEPARTMENTAL_FLAG_SECURITY | DEPARTMENTAL_FLAG_MEDICAL
+	departmental_flags = DEPARTMENTAL_FLAG_SECURITY | DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
 
 /datum/design/cryo_grenade
 	name = "Cryo Grenade"
@@ -319,7 +319,7 @@
 	materials = list(MAT_METAL = 2000, MAT_SILVER = 500)
 	build_path = /obj/item/grenade/chem_grenade/cryo
 	category = list("Weapons")
-	departmental_flags = DEPARTMENTAL_FLAG_SECURITY | DEPARTMENTAL_FLAG_MEDICAL
+	departmental_flags = DEPARTMENTAL_FLAG_SECURITY | DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
 
 /datum/design/adv_grenade
 	name = "Advanced Release Grenade"
@@ -329,7 +329,7 @@
 	materials = list(MAT_METAL = 3000, MAT_GLASS = 500)
 	build_path = /obj/item/grenade/chem_grenade/adv_release
 	category = list("Weapons")
-	departmental_flags = DEPARTMENTAL_FLAG_SECURITY | DEPARTMENTAL_FLAG_MEDICAL
+	departmental_flags = DEPARTMENTAL_FLAG_SECURITY | DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
 
 //////////
 //MISC////