The Sig Sauer Off-Duty MCX Rattler LT pistol in .300 AAC Blackout and FDE (brand part no. WPMCX-300B-6B-LT-FDE) brings the short-barreled, AR-pattern MCX Rattler platform to Sig’s Off-Duty product line in a compact, maneuverable package. Sig Sauer Off-Duty builds the Rattler LT with a 6.75-inch barrel rifled at a 1-in-5-inch twist for reliable function with a range of .300 Blackout loads, and the optics-ready receiver accepts a red dot or magnifier setup. A 30-round magazine ships with the pistol. Among AR-pattern semi-auto handguns, this MCX Rattler LT configuration favors shooters who want a compact, high-capacity .300 Blackout platform.

Key Specifications

• Chambered in .300 AAC Blackout.
• Capacity of 30+1 rounds.
• The barrel measures 6.75 inches, rifled at a 1-in-5-inch twist.
• The receiver is optics ready for red dot or magnifier mounting.
• The finish is FDE.
• A 30-round magazine ships with the pistol.
• Shipping weight of approximately 9.35 pounds.
• The sights are Optic Ready.
• The action is semi-automatic, cycling a fresh round into the chamber with every trigger pull.

Frequently Asked Questions

Is this pistol optics-ready? Yes, the receiver is cut optics-ready for a red dot or magnifier.

What is the magazine capacity? A 30-round magazine ships with the pistol.

Buy the Sig Off-Duty MCX Rattler LT Pistol

The short-barreled, AR-pattern MCX Rattler in a compact, maneuverable Off-Duty package is exactly what this Sig Off-Duty MCX Rattler LT Pistol delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.