Our inventory of AR-15 Free Floating Rails System Handguards are one of the largest on the internet. AR-15 Free Floating Handguards are for people who want to build an AR-15 or are having an AR-15 built. This is for the more advanced builder. Almost all of our AR-15 free float rail systems are in 3 main colors; Anodized Black, Flat Dark Earth (FDE), and OD Green. If you already have Magpul furniture, these will match 99%. We use a Cerakote finish that is nearly impossible to scratch. Also, all our AR-15 Free Floating Rail Systems and Handguards have the barrel nut is included.. at no extra charge. Everything is in stock and ready to ship next business day. If you have any questions please feel free to get in touch with us.