Right Sniper stock for M4 US$120.00
http://www.wgcshop.com/pcart/shopper...e09c369750e350
CQB Free floating RAS kit for M4 US$126.00
http://www.wgcshop.com/pcart/shopper...IS%20and%20RAS
M733 inner barrel (Accurate) US$48.00
http://www.wgcshop.com/pcart/shopper...s%20for%20AEGs
Hero's C-mag US$92.00
http://www.wgcshop.com/pcart/shopper...AEG%20Magazine
Samurai Elcan US$220.00
(Don't buy any other type of replica..only thing better is the real steel C79 Elcan Scope used byt eh Canadian Forces..and yes Carter is using a C79)
http://www.wgcshop.com/pcart/shopper...CAN_cat_Scopes
Voila Carter Special for Airsoft. US$606.00
Not including taxes and shipping of course.
oh yeah and the purchase of an M4 (TM or SRC)
I made the assumption that you actually intend to play airsoft with the gun.