This listing offers a New Old Stock SIG MCX Rattler Barrel, gas system, and Handguard for sale. The barrel is chambered in 5.56x45 with a 1/7 twist and measures 5.5" in length. This is a NOS take-off from an SBR and will include the SIG Rattler Handguard. The version 5.5" Rattler has been discontinued.
This Barrel is compatible with the MCX Rattler ONLY. This barrel is not compatible with the MCX Virtus or Legacy MCX Uppers or Rattler LT
