[lightbox=122209_21guns_big.jpg,21gunssingle,right]122209_21guns_small.jpg[/lightbox]Earlier this month Green Day released their new version of 21 Guns featuring the cast of the American Idiot musical exclusively to AOL's Spinner. Now after about a month after its original release debut, the re-worked version of the song has been released to online MP3 music stores for download.

The track is available for you to buy on either Amazon MP3 or iTunes.

Related Articles:
Like Green Day AND 'Glee'? Then get ready to love this version of '21 Guns' - Entertainment Weekly
Green Day teams up with American Idiot cast for "21 Guns" rework - Consequence Of Sound
Green Day '21 Guns' Feat. the Cast of 'American Idiot' - New Song - AOL Radio Blog
Green Day Premiere The Stage Musical Version Of '21 Guns' - Idolator
Green Day With the 'American Idiot' Cast, '21 Guns' -- Song Premiere - Spinner