diff --git a/code/modules/projectiles/gun.dm b/code/modules/projectiles/gun.dm
index 4d5b5f74367..90bbd5d7e2d 100644
--- a/code/modules/projectiles/gun.dm
+++ b/code/modules/projectiles/gun.dm
@@ -107,7 +107,7 @@
 	autofiring_by = null
 	aim_targets = null
 	last_moved_mob = null
-	QDEL_LIST(firemodes)
+	QDEL_NULL_LIST(firemodes)
 	. = ..()
 
 /obj/item/gun/proc/set_autofire(atom/fire_at, mob/fire_by)
diff --git a/code/modules/projectiles/guns/projectile.dm b/code/modules/projectiles/guns/projectile.dm
index 210e70bc860..816cc942f55 100644
--- a/code/modules/projectiles/guns/projectile.dm
+++ b/code/modules/projectiles/guns/projectile.dm
@@ -55,6 +55,8 @@
 
 /obj/item/gun/projectile/Destroy()
 	QDEL_NULL_LIST(ammo_magazine)
+	QDEL_NULL_LIST(loaded)
+	QDEL_NULL(chambered)
 	return ..()
 
 /obj/item/gun/projectile/consume_next_projectile()
diff --git a/code/modules/projectiles/projectile.dm b/code/modules/projectiles/projectile.dm
index 983192a2b46..700df393a67 100644
--- a/code/modules/projectiles/projectile.dm
+++ b/code/modules/projectiles/projectile.dm
@@ -175,6 +175,7 @@
 
 /obj/item/projectile/proc/launch(atom/target, target_zone, mob/user, params, Angle_override, forced_spread = 0)
 	original = target
+	previous = get_turf(loc)
 	def_zone = check_zone(target_zone)
 	firer = user
 	var/direct_target
@@ -369,6 +370,7 @@
 	return 1
 
 /obj/item/projectile/proc/before_move()
+	previous = loc
 	return
 
 /obj/item/projectile/proc/after_move()
diff --git a/code/modules/projectiles/projectile/special.dm b/code/modules/projectiles/projectile/special.dm
index 2e387e186d1..4a10b2942ee 100644
--- a/code/modules/projectiles/projectile/special.dm
+++ b/code/modules/projectiles/projectile/special.dm
@@ -251,15 +251,18 @@
 	var/mob/living/simple_animal/hostile/facehugger/holder = null
 
 /obj/item/projectile/facehugger_proj/Bump(atom/A, forced = FALSE)
+	if(A == src)
+		return FALSE // no idea how this could ever happen but let's ensure
+
 	if(A == firer)
 		loc = A.loc
-		return
+		return FALSE
 
 	if(!holder)
-		return
+		return FALSE
 
 	if(bumped)
-		return
+		return FALSE
 	bumped = TRUE
 
 	if(istype(A, /mob/living/carbon/human))