examining_eliasCenturion C4 Mid-Cut quad rail. Installed, never used. The C4 rail system is a lightweight, rugged, 2 piece free float rail that clamps to a standard barrel nut on all AR15s. This design allows the installation of the rail on an upper assembly without removing the front sight post. Length: Top 9 1/4in - Sides 11 1/2in - Bottom 10 5/8in
PP F&F or +3% or Venmo, USPS tracking
