[ARES] M4 #58M Mid-Length SIR Handguard[BLK]

Out of stock
SKU: AA#06544 Part No.: HG-008-M
Regular price $178.16 USD

[ARES][HG-008-M] M4 #58M Mid-Length SIR Handguard[BLK]


  • Part No.: HG-008-M
  • This S.I.R. system consists of main rail chassis with clamp and yoke retention points, front metallic lower rail, rear polymer lower rail, #1 and #2 picatinny side rails, #3 lower picatinny rail and screw-in sling swivel.
  • Also included is an optional #4 S.I.R. System Rail (5 1/2" Long) which provides extra rail length on the bottom of the handguard, replacing the original #3 Rail.
  • #58M Mid-length S.I.R. System. Military version for mid-length gas system ARs. Mounts to the upper receiver with a rail clamp and a yoke that passes around the barrel nut. Requires removal of the delta ring assembly. Results in a free-floated barrel for increased accuracy.


  • Weight: 850g
  • Material: Metal
  • Compatibility: Any M4 Series (The Barrel Nut is excluded)
  • Colour: Black

Package Contents:

  1. Handguard x 1set