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Sig Sauer MCX Rattler Canebrake 300 Blk 5.5" 1:5" Bbl Blk/Coy Semi Pistol w/ SD-MLOK Handguard, Inert Trainer, & (1) 30rd Mag No Brace PMCX-300B-5B-TA


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FFL Restrictions
FFL Requirements
This item can only be shipped to a Licensed Federal Firearms Dealer. Please see our Shipping Policy to review firearms shipping requirements.
Export Restrictions
No Exports
Due to government regulations and/or manufacturer stipulations we are unable to export this item outside of the United States. Please see our Export Policy.


The MCX Rattler Canebrake is the newest addition to the Sig Sauer MCX family. Created for those that desire the MCX as a suppressed system, and eliminates the need to purchase additional components to do so. The Rattler Canebrake comes with a factory installed inert training device, making it operable right out of the box while NFA paperwork and waiting periods are completed, and then is easily convertible to run suppressed.

The MCX Rattler Canebrake comes as a suppressor ready platform with an SD handguard and inert training device that mimics the size and weight of the SIGSRD762 suppressor and assure all muzzle flash is past the shooters hand when reaching out on the handguard during operation without a functional suppressor installed. With the MCX Rattler Canebrake there’s no need for the purchase of a shorter barrel kit and SD Handguard to have a suppressed MCX system, simply unthread the inert training device, install your suppressor, and select the appropriate gas setting for your ammunition.

Features of the Sig Sauer MCX Rattler Canebrake Pistol

  • 2-Stage Flat-blade Match Trigger
  • Cerakote E190 Finished Upper & Lower
  • Inert Training Device
  • M-Lok Attachment Points


  • Item ConditionNew
  • Caliber:.300 Blackout
  • Weight:6.5 lbs
  • Action:Gas Piston - Semi-Automatic
  • Safety:Ambidextrous AR-type selector
  • Magazines Included:1
  • Magazine Capacity:30 rounds
  • Barrel Length:5.5 inches
  • Caliber or Gauge:.300 BLK
  • Pistol Night Sights:No
  • Optics Ready:No
  • Barrel Thread Pitch5/8 in - 24 tpi
  • Product TypeHandguns
  • UPC798681673162

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