View Single Post
Old April 17th, 2010, 12:41   #11
formerly JPCD002
JEEPEE's Avatar
Join Date: May 2008
Location: St-Zotique, Qc
Sorry Mate,

Never try to check a tight bore with a caliper. This is bullshit and I know what I'm talking about it's my job :P you need to be way more accurate to ckeck a barrel who as a .01mm tolerance

Originally Posted by L473ncy View Post
Forgot what TN stood for but it's also known as a "TBB" (Tight Bore Barrel) and I'm pretty sure they're interchangeable. Also best to verify the inner diameter with a digital calliper.
JEEPEE is offline   Reply With Quote