New hi quality light weight CNC aluminum model for 416 (240mm length) free floating metal lightweight super cool handguard inspired to the famous american model used By us soldiers... seems that the commando who killed bin laden has RAHG installed on the 5.56 german gun.... 3x 20mm rails for M-LOK slot to isntall laser , torch, etc..... fixing screws and barrel nut give body/rail strenght and durable suggested installation with VFC, UMAREX, AGM, and compatible airsoft rifles assembly tools and screws are included