selling a Sig MCX Rattler Canebrake .300 Blackout unfired. $3600.

The Sig Sauer MCX Rattler Canebrake is the ultimate compact firearm designed for versatility and performance. Chambered in .300 Blackout, this firearm is ideal for suppressed operation and comes fully equipped for rapid deployment straight out of the box. This item is brand new, unfired, and includes all original accessories from Sig Sauer.
• Caliber: .300 Blackout

• Barrel Length: 5.5 inches

• Integrated Inert Trainer Suppressor: Optimized for suppressor use while maintaining balance and ergonomics

• Handguard: Slim M-LOK compatible for accessory attachment

• (1) 30-round 300 blk pmag magazine

• Sig Sauer suppressor-ready design with pre-installed inert trainer suppressor

The MCX Rattler Canebrake features Sig Sauer’s proven short-stroke gas-piston system, designed for reliable operation in all environments. Its compact design makes it perfect for discrete carry or home defense, while the .300 Blackout chambering ensures excellent performance in suppressed and unsuppressed configurations. The included inert trainer suppressor allows you to mount your preferred suppressor without needing to purchase additional handguard adapters.