The Sig Sauer MCX Off-Duty pistol in .300 Blackout with a 9-inch black barrel (brand part no. WPMCX-300B-9B-LT) is part of Sig Sauer’s Off-Duty program, offering the MCX platform’s short-stroke gas piston reliability to American professionals who protect, serve, and defend their communities. Sig Sauer feeds the pistol from a 30-round magazine, and the 9-inch barrel gives the .300 Blackout chambering room to run both subsonic and supersonic loads effectively. Among AR-pattern semi-auto handguns, this MCX Off-Duty configuration favors shooters who want a versatile .300 Blackout pistol platform.

Key Specifications

• The chambering is .300 Blackout.
• Magazine capacity is 30 rounds.
• The barrel measures 9 inches, finished in black.
• The platform is part of Sig Sauer’s Off-Duty program for American professionals.
• Built on Sig Sauer’s short-stroke gas piston MCX operating system.

Frequently Asked Questions

What is the Sig Sauer Off-Duty program? A program offering select firearms and products to qualified American professionals who protect, serve, and defend their communities.

What magazine capacity does this pistol use? A 30-round .300 Blackout magazine.

Buy the Sig Sauer MCX Off-Duty, 9-Inch

The MCX platform’s reliability built for American professionals who protect, serve, and defend is exactly what this Sig Sauer MCX Off-Duty delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.