What is your prefer'd BB? Make/weight.
I use ASG Blaster 0.25g and 0.28g
http://www.airsoft-forums.co.uk/index.php/topic/31810-quality-bbsbrands-and-where-from/?hl=blaster#entry247674
http://www.airsoft-forums.co.uk/index.php/topic/31149-dont-buy-cheap-bbs/?hl=blaster
http://www.airsoft-forums.co.uk/index.php/topic/29911-what-bbs-do-you-use/?hl=blaster#entry231242
http://www.airsoft-forums.co.uk/index.php/topic/28269-where-to-buy-cheap-good-bbs/?hl=blaster#entry215060
http://www.airsoft-forums.co.uk/index.php/topi