Product details

Sig's MCX Rattler is thin, agile and precise. It features a 3-position telescoping pistol brace for stability and easy concealment, a 5.5" carbon steel barrel, and free-floating M-LOK handguards. The MCX Rattler PSB is the ideal choice for fast-moving operators.


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Caliber 300 AAC Blackout
Model MCX
Caliber 300 AAC Blackout
Capacity 30+1
Action Semi-Automatic
Barrel Length 5.5"
Grips Black Polymer
Metal Finish Black
OAL 19.3"
Sights None, Optic Ready
Stock Finish Black
Stock Material Polymer
Stock Type 3-Position Telescoping Pistol Stabilizing Brace
Type AR Pistol

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