Sig Sauer MCX Rattler 300 Blackout Semi-Auto Pistol with Pistol Stabilizing Brace


In stock

Rapid deployment, thin, agile and precise. This is the SIG MCX® Rattler. Featuring a 5.5″ PDW barrel, the MCX platform has never been more compact or accessible. Ready to go wherever it’s needed, the MCX Rattler PSB features a 3-position telescoping pistol brace for stability and easy concealment. This gun was designed from the ground up to be as discrete as possible while retaining all the robust capabilities of the MCX. Free-floating M-LOK® handguards matched with a PDW upper and 5.5″ barrel, the MCX Rattler PSB is the ideal choice for fast-moving operators.

Firearm Specifications

  • Manufacturer: Sig Sauer
  • Model: MCX Rattler
  • Model Number: PMCX-300B-5B-TAP-PSB
  • Caliber: 300 Blackout
  • Barrel Length: 5.5″
  • Overall Length: 19.3″
  • Width: 2.8″
  • Height: 8.0″
  • Trigger Weight: 5.5-9 lbs.
  • Twist Rate: 1:5″
  • Accessory Rail: M-LOK
  • Operating System: Gas Pistol
  • Trigger Type: SIG Enhanced
  • Barrel Material: Carbon Steel
  • Stock Type: Telescoping 3-Position Brace
  • Magazine: 1- 30 Round Magazine

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