ok

code/modules/projectiles/projectile.dm

@@ -100,6 +100,10 @@
 	var/impact_light_intensity = 3
 	var/impact_light_range = 2
 	var/impact_light_color_override
+	// Normal lighting effects
+	var/fired_light_intensity = 1
+	var/fired_light_range = 0
+	var/fired_light_color = rgb(255, 255, 255)
 
 	//Homing
 	var/homing = FALSE
@@ -506,6 +510,7 @@
 		transform = M
 	trajectory_ignore_forcemove = TRUE
 	forceMove(starting)
+	set_light(fired_light_range, fired_light_intensity, fired_light_color)
 	trajectory_ignore_forcemove = FALSE
 	if(isnull(pixel_increment_amount))
 		pixel_increment_amount = SSprojectiles.global_pixel_increment_amount

code/modules/projectiles/projectile/bullets/ferromagnetic.dm

@@ -2,22 +2,22 @@
 	icon_state = "magjectile"
 	damage = 20
 	armour_penetration = 20
-	light_range = 3
+	fired_light_range = 3
 	pixels_per_second = TILES_TO_PIXELS(16.667)
 	range = 35
-	light_color = LIGHT_COLOR_RED
+	fired_light_color = LIGHT_COLOR_RED
 
 /obj/item/projectile/bullet/magnetic/disabler
 	icon_state = "magjectile-nl" //nl stands for non-lethal
 	damage = 2
 	armour_penetration = 10
 	stamina = 20
-	light_color = LIGHT_COLOR_BLUE
+	fired_light_color = LIGHT_COLOR_BLUE
 
 /obj/item/projectile/bullet/magnetic/weak
 	damage = 15
 	armour_penetration = 10
-	light_range = 2
+	fired_light_range = 2
 	range = 25
 
 /obj/item/projectile/bullet/magnetic/weak/disabler
@@ -30,8 +30,8 @@
 	stamina = 10
 	movement_type = FLYING | UNSTOPPABLE
 	range = 6
-	light_range = 1
-	light_color = LIGHT_COLOR_RED
+	fired_light_range = 1
+	fired_light_color = LIGHT_COLOR_RED
 
 /obj/item/projectile/bullet/incendiary/mag_inferno
 	icon_state = "magjectile-large"
@@ -40,8 +40,8 @@
 	movement_type = FLYING | UNSTOPPABLE
 	range = 20
 	pixels_per_second = TILES_TO_PIXELS(12.5)
-	light_range = 4
-	light_color = LIGHT_COLOR_RED
+	fired_light_range = 4
+	fired_light_color = LIGHT_COLOR_RED
 
 /obj/item/projectile/bullet/incendiary/mag_inferno/on_hit(atom/target, blocked = FALSE)
 	..()