G&G Diemaco Style Tri-RailIdeal for Canadian C7 C8 builds The G&G Tri Rail is an authentic replica of an accessory in use by Canadian Forces on their issued service rifles, the C7 and the C8. It represents a simple, rugged, and lightweight solution for those shooters who want to mount accessories such as weapon lights while still using the standard issue handguard. Constructed out of Aluminum