Otis Technology Otis TRS-74 TRS M4 Carbine Free Float Quad Picatinny Rail - for AR-15 Carbines with M4 sized hand guards

When it comes to the versatility, accuracy and reliability of your rifle in the field, having high-quality components makes all the difference. The Otis Turned Rail System (TRS®) is mil-spec 1913 compliant, but more importantly, it integrates perfectly with your AR-15/M4 Carbine for a rock-solid laser, scope or illuminator mount.