In January 2006, he filled in for two shows for Anthrax drummer Charlie Benante, who could not tour due to family obligations. He also made a surprise guest appearance at a show in Clifton Park, New York in November 2011. He also filled in for Benante for a few shows throughout early 2012, after Gene Hoglan had helped Anthrax out, after the passing of Benante's mother. He returned once again in late June 2012 filling in for Charlie after he hurt his wrist, continuing to perform with Anthrax through October 2012. Hudson Music released a joint DVD with Bittner and Chris Adler of the American metal band Lamb of God, Pro-Mark introduced the Jason Bittner Signature model 5BX drumstick, and Meinl introduced the Bell Blast ride, designed in conjunction with Jason. He was the cover feature of the UK drum publications, DRUMMER and Rhythm, the cover feature of DRUM!, and participated on Magna Carta's Drum Nation 3 record. Shadows Fall released "Fallout From the War" on Century Media Records in 2006 and spent the remainder of the year writing and recording "Threads of Life" at Studio 606 in L.A. with Producer Nick Raskulinecz (Foo Fighters, Rush). Bittner also won the Modern Drummer Reader's poll for #1 Metal drummer for the second year in a row.