The SIG MCX Rattler was designed from the ground up to be as discrete as possible while retaining all the robust capabilities of the MCX. It features a 5.5" PDW barrel. Free-floating M-LOK handguards matched with a PDW upper and barrel.

Sig Sauer PMCX5BTAPNB MCX Rattler 5.56x45mm NATO 5.50" 30+1, Black, Polymer Grip, Adjustable Gas Block (No Brace)

Caliber: 5.56x45mm NATO
Model: MCX
Capacity: 30+1
Action: Semi-Auto
OAL: 23"
Hand: Right
Sights: Optic Ready
Barrel Finish: Black
Twist: 1:5"
Gun Platform: AR-Style
Grips: Black Polymer
Receiver Material: Aluminum
Safety: Manual Thumb
Barrel Description: Carbon Steel
Barrel Length: 5.50"
Receiver Finish: Black
Weight: 5.10 lbs