Allows precision placement of most items

code/modules/projectiles/ammunition.dm

@@ -3,6 +3,7 @@
 	desc = "A bullet casing."
 	icon = 'icons/obj/ammo.dmi'
 	icon_state = "s-casing"
+	randpixel = 10
 	slot_flags = SLOT_BELT | SLOT_EARS
 	throwforce = 1
 	w_class = ITEMSIZE_TINY
@@ -18,8 +19,7 @@
 	..()
 	if(ispath(projectile_type))
 		BB = new projectile_type(src)
-	pixel_x = rand(-10, 10)
-	pixel_y = rand(-10, 10)
+	randpixel_xy()
 
 //removes the projectile from the ammo casing
 /obj/item/ammo_casing/proc/expend()