Sig Sauer MCX SBR .300 AAC Blackout 9in FDE 30-Rd

The Sig Sauer MCX SBR is a compact short-barreled rifle chambered in .300 AAC Blackout designed for configurations where a shorter overall length is required. It pairs a 9in barrel with a Flat Dark Earth finish and a folding telescoping stock for transport and storage convenience. The platform includes an aluminum M-LOK handguard and ships with a 30-round removable magazine.

Key Specifications

• Chambered in .300 AAC Blackout.
• Barrel length is 9 inches.
• Standard magazine capacity is 30 rounds.
• Action type is Semi-Auto.
• Finish is Flat Dark Earth (FDE).
• Equipped with a folding telescoping stock.
• Stock material is Aluminum.
• Features an Aluminum M-LOK handguard.
• Includes 1 x 30-round removable magazine.
• Muzzle is Non-Threaded.

Compact, accessory-ready, and purpose-built for users who need a short-barreled .300 AAC Blackout platform, the MCX SBR combines a durable aluminum chassis with an M-LOK interface and a folding stock for versatility. Its configuration supports a range of modern optics and accessories while maintaining a concise footprint for storage and transport.