Command Arms AR15/M16 M4 Carbine Polymer 3 Sided Rail w/Interchangeable Rails

Your Price: $39.99
Retail Price:$44.95
Your Savings:$4.96(11%)
Part Number:CAA-M4S1

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

The M4S1 also works with standard direct gas operating systems which 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.

  • lightweight polymer handguard designed to withstand the extreme operating temperatures of a gas piston system.
  • 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.
  • Minor disassembly of sling swivel optional for added rigidity.
  • Lifetime warranty. 100% customer satisfaction.  


Material Made Of:

Weight (lbs): .55 lbs
Height (in): 2.75"
Width (in): 2.62"
lenght (in): 7"

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