Gas tubes

[the_snowman1]

Do any cgn sponser have gas tubes I have a tapco stock but don't wanna ruin my current gas tube by knocking out the pins I looked on marstar but didn't see them

 

[knuckledusterbook]

I just oredered 2 from Fab Sports

 

[Curtton]

good idea ... marstar has a different type and so is vinzersports.com .