SIG SAUER MCX Rattler LT | 7.62×39 | 7.75in

The SIG SAUER MCX Rattler LT is a compact, modular AR-style pistol configured for 7.62×39 with a 7.75 inch cold-hammer-forged barrel. It retains fully ambidextrous controls, an adjustable gas piston for suppressed or unsuppressed operation, and ships with a 28-round steel magazine. For a reliable optic under $1,000 that pairs well with this platform, consider an Aimpoint PRO or similar low-power red dot for fast target acquisition.

Product Specifications

• The caliber is 7.62×39.
• The barrel measures 7.75 inches and is cold hammer forged.
• The barrel material is cold hammer forged carbon steel.
• The action type is semi-automatic.
• The operating system is a short-stroke piston design with an adjustable gas piston.
• The trigger is a 2-stage match flat-blade style.
• The listed twist rate is 1:9.5.
• Included magazine count is 1 and the included magazine is a 28-round steel magazine.
• The magazine type is specified as AR-15 [7.62×39].
• The grip type is PDW.
• The overall length is 17.5 inches.
• The overall width is 2.25 inches.
• The height is 7.4 inches.
• The accessory rail is M1913 (Picatinny).
• The UPC is 798681682669.

The MCX Rattler LT is built as a highly compact, mission-focused platform with modern modularity. Its compatibility with other MCX LT barrels and handguards makes it straightforward to reconfigure for different roles, while the ambidextrous controls and adjustable gas system support suppressed use and left- or right-handed operation. This pistol-oriented package provides a short, controllable platform for short-range precision, patrol-style tasks, and competitive plate or action shooting where a compact, AR-pattern firearm is preferred.

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