Orange 9mm is an American post-hardcore band from New York City formed in 1994 by Chaka Malik and Chris Traynor after the breakup of Malik's band Burn.

Chris Traynor is an American musician, songwriter and producer, best known as the lead guitarist of the rock band Bush since 2001. Prior to Bush, he started in the post-hardcore scene with Fountainhead and Orange 9mm. “I got a publishing and record deal when I was nineteen, just super young.” Traynor had an on and off stint with Helmet while overlapping his Gavin Rossdale based projects of Bush, Institute, and Gavin Rossdale's solo album. Traynor played in two bands with his partner Sibyl Buck, Champions of Sound and High Desert Fires.