MADBULL Modular Float Rail For M4/M733 Handguard(Black)

MADBULL Modular Float Rail are different length choice.

More detail:
7" : http://airsoft.tiger111hk.com/p20234/MADBULL-Modular-Float-Rail-7a%EF%BF%BD%EF%BF%BD-For-M4/CQB-Handguard%28Black%29/product_info.html

9" : http://airsoft.tiger111hk.com/p20235/MADBULL-Modular-Float-Rail-9a%EF%BF%BD%EF%BF%BD-For-M4/M733-Handguard%28Black%29/product_info.html

12" : http://airsoft.tiger111hk.com/p20236/MADBULL-Modular-Float-Rail-12a%EF%BF%BD%EF%BF%BD-For-M16A4/2-Handguard%28Black%29/product_info.html