Ouch.

code/modules/power/rtg.dm

@@ -74,7 +74,7 @@
 	addtimer(CALLBACK(GLOBAL_PROC, .proc/explosion, get_turf(src), 2, 3, 4, 8), 100) // Not a normal explosion.
 
 /obj/machinery/power/rtg/abductor/bullet_act(obj/item/projectile/Proj)
-	..()
+	. = ..()
 	if(!going_kaboom && istype(Proj) && !Proj.nodamage && ((Proj.damage_type == BURN) || (Proj.damage_type == BRUTE)))
 		message_admins("[ADMIN_LOOKUPFLW(Proj.firer)] triggered an Abductor Core explosion at [AREACOORD(src)] via projectile.")
 		log_game("[key_name(Proj.firer)] triggered an Abductor Core explosion at [AREACOORD(src)] via projectile.")

code/modules/power/singularity/singularity.dm

@@ -113,7 +113,8 @@
 
 
 /obj/singularity/bullet_act(obj/item/projectile/P)
-	return 0 //Will there be an impact? Who knows.  Will we see it? No.
+	qdel(P)
+	return BULLET_ACT_HIT //Will there be an impact? Who knows.  Will we see it? No.
 
 
 /obj/singularity/Bump(atom/A)

code/modules/power/supermatter/supermatter.dm

@@ -521,7 +521,7 @@ GLOBAL_DATUM(main_supermatter_engine, /obj/machinery/power/supermatter_crystal)
 			has_been_powered = TRUE
 	else if(takes_damage)
 		damage += Proj.damage * config_bullet_energy
-	return FALSE
+	return BULLET_ACT_HIT
 
 /obj/machinery/power/supermatter_crystal/singularity_act()
 	var/gain = 100