Theres also the new peq-2 mini laucher from mm that would work, but you would need the side rails from a 23F to make it look right. Heres a link;
http://www.redwolfairsoft.com/redwol...enu2=190#14382
Im looking to get one for my glock;
http://www.airsoftcanada.com/gallery...hp?i=1667&c=23
I plan on putting it on the opposoite side of the laser and then all the rails are being used and this gun would be "fully" and ridiculously loaded!!!