Hello, I'm wondering.. what king of buffer stops, or what ever are those thinks called are used on the USA? here in europe we have rail built buffer stops. Do you know what I mean? i'm talking about those pieces that we put on the end of one track to prevent from trains to go further... I'm sorry, it's just sometimes i'm afraid to be miss understood... bumpers? What kind? and what brand to you advise? atlas? i've added a pic! are them this kind? by the way, i use peco n code 80 and atlas snap track!