[ARCHIVED THREAD] - Mag Buttons dates of use?

Posted: 9/27/2007 3:03:17 PM EDT

Any one have date that mag button went from straight to circle grove pattern. Thanks this is the only thing I can not find date on. Think I am ready to start my retro build have my NDS lower which is a great match to my gray slick side upper. Just waiting for Duracoat to spray LPK. Thanks to every one who have posted information.