CAA LogoThe CAA M4S1 M16/AR15 carbine handguard has interlocking top and bottom handguard sections with a bottom rail that can be mounted to the existing sling swivel mount for additional rigidity.

It’s a lightweight polymer handguard designed to withstand the extreme operating temperatures of a gas piston system. 

The M4S1 also works with standard direct gas operating systems and includes two interchangeable lower rails of 4” & 1.75” lengths.  This allows the operator to quickly change rails based on mission needs.  The M4S1 also includes 2 mounting points for a pushbutton quick detach sling swivel.

  • Upper and lower handguard sections interlock providing the rigidity and stability you need in addition to solidly mounting to the delta ring and handguard end cap
  • Bottom rail can mount to  front sling mount for additional rigidity if forward sling swivel is removed.
  • Two quick detachable sling swivel mounting points
  • First lightweight polymer handguard designed for use with gas piston systems.
  • Manufactured from a special high temperature resistant polymer
  • Includes heat shields
  • Includes 4 interchangeable rails
  • Two interchangeable bottom rails  4” & 1.75””of Picatinny rail allow for operator to quickly change rails based on mission need
  • Two 1.75” side rails allow for mounting of lights and lasers while provide a comfortable area to grip the handguard
  • Optional Long Aluminum top rail  attaches to the handguard and upper receiver providing a rail that is the same height as the flat top rail

Commnad Arms Accessory M4S1 1

Command Arms Accessory M4S1 2