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SIG SAUER MCX Rattler 300BLK Side Folding Pistol - 5.5"

AR Pistol

Out of stock

SIG SAUER MCX Rattler 300BLK Side Folding Pistol - 5.5"


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 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.


  • ACCESSORY RAIL- Gas Piston
  • MAG TYPE- AR15
  • BARREL LENGTH- 5.5 in (140 mm)
  • MAGS INCLUDED- (1) 30rd Aluminum Mag
  • Semi-Auto
  • STOCK TYPE- Side Folding Pistol Brace
  • BARREL MATERIAL- Carbon Steel
  • TRIGGER TYPE- SIG Enhanced
  • TRIGGER WEIGHT- 5.5-9 lbs (24-40 N)
  • TWIST RATE-1:5
  • OVERALL LENGTH- 19.3 in (489 mm)
  • OVERALL WIDTH- 2.8 in (71 mm)
  • HEIGHT- 8.0 in (203 mm)
  • WEIGHT- 5.1 lbs

FFL Required Before Shipping.

Please have your dealer email their license to [email protected] or they can also fax it in. Please give us a few days to process the information.

More Information
Product Type AR Pistol
Manufacturer Sig Sauer
Barrel Length 5.5"
Caliber 300BLK