open bolt no kit why ?

[carterjo]

i looked at search if someone can find it feel free to tell me or they could just explain why open bolt markers need no paint to barrel match. I am not intrested in a kit but i would just liek to know about this fact.

THANx

[CoolT]

http://www.pbreview.com/forums/showthread.php?s=&threadid=187600

It's in the 3rd paragraph.

[carterjo]

THANX