The Action Army VSR-10 Long Scope Rail Top Mount works on all VSR10 and compatible clones.  Made of high quality lightweight CNC aluminum, this very long top-mount rail fits over your existing screw holes on the small original mount.  Simply remove that, install this.  Securely fits snug on your rifle's top.  Two side rails (optional) are included to mount where you please.  Add lasers, PEQ boxes, lights, etc to your decked out custom VSR-10 sniper rifle.  Very high quality and recommended.

Kit includes: 1 long top rail; 2 small vertical side rails; mounting hardware and screws.