This is a 4-pack of Magpul XTM Enhanced Rail Panels.

Maximize your rifle’s comfort and control with these lightweight rail panels from Magpul!

Constructed from durable polymer and featuring an aggressive anti-slip texture, these panels are designed to hold up perfectly under any shooting conditions. The dual-side routing clips enable you to secure and manage your light/laser cables, adding organization to the list of benefits.

Each set comes with four two-piece rail panels.

Why not order a set of rail panels for each of your rifles?!