Hi I have a as new in box. 7in. TROY free float rail for Ar15's. This is for carbine length gas systems. Super easy no gun smithing instalation. Lower rail is quike detach for mounting M-203 grande lanuchers. This Comes with all mounting hardware and instructions. Shipped $150. Money orders, Personal checks, Or GUNPAL (+3.5%). Also willing to do a FTF in the Woodburn Salem area. Sorry no trades.