Remove drop_item, drop_item_v, put_in_hands_or_del

code/modules/projectiles/guns/misc/blastcannon.dm

@@ -49,12 +49,11 @@
 		if(!T.tank_one || !T.tank_two)
 			to_chat(user, "<span class='warning'>What good would an incomplete bomb do?</span>")
 			return FALSE
-		if(!user.drop_item(O))
+		if(!user.transferItemToLoc(O, src))
 			to_chat(user, "<span class='warning'>The [O] seems to be stuck to your hand!</span>")
 			return FALSE
 		user.visible_message("<span class='warning'>[user] attaches the [O] to the [src]!</span>")
 		bomb = O
-		O.forceMove(src)
 		update_icon()
 		return TRUE
 	return ..()