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Sig Sauer MCX Rattler SBR .300BLK


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Sig Sauer MCX Rattler SBR .300BLK

Rapid deployment, thin, agile, and precise. This is the MCX Rattler. Featuring a 5.5″ PDW barrel, the MCX platform has never been more compact or accessible. Ready to go where-ever it’s needed, the MCX Rattler has a thin, foldable stock for easy concealment and stowage. This gun was designed from the ground up to be as discrete as possible while retaining all the capabilities of the MCX. Free-floating M-LOK handguards matched with a PDW upper and a PDW Ultra Thin Folding Aluminum Stock, the MCX Rattler SBR is the ideal choice for fast-moving operators.


  • 5.5″ Barrel with PDW Upper
  • PDW Ultra Thin Folding Aluminum Stock
  • Free Floating M-LOK Handguard


  • Gas Piston Operating System
  • .300BLK Caliber
  • 23.5″ Overall Length
  • 2.80″ Overall Width
  • 8.00″ Height
  • 5.50″ Barrel Length
  • 5.70lbs Weight
  • 1:5 Twist Rate
  • AR-15 Magazine Compatible

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