Sig Sauer MCX-Spear LT Upper/Conv. Kit Black .300 AAC Blackout 9″ Barrel

Sig Sauer MCX-Spear LT Features

The MCX-Spear LT Upper/Conversion Kit sets itself apart with a dual rod recoil assembly that eliminates the need for a traditional buffer system, enabling a more compact and efficient design. The M4 adapter expands configuration options, allowing for Pic rail folding stock capabilities, enhancing the platform’s versatility. An adjustable gas system permits fine-tuning for suppressor use, ensuring reliable performance under different operating conditions.

Further innovation is seen in the quick-change barrel design, facilitating easy caliber and barrel length swaps, and a gas piston design that significantly reduces carbon fouling on critical parts, extending the operational life of the system. Designed with durability in mind, this kit is intended to go 20k rounds before necessitating part replacements. The inclusion of an SLX/SLH Next Gen Suppressor Designed QD Flash Hider offers quick-detach adaptability, while the ambidextrous charging handle with a gas deflector adds to the user-friendly nature of the system.

Sig Sauer MCX-Spear LT Specifications

• Model: SIG MCX-SPEAR LT
• Caliber: 300 BLK
• Barrel Length: 9″
• Overall Length: 17.5″
• Weight: 3lb, 14.7oz
• Barrel Material: Nitride Coated Cold Hammer Forged
• Barrel Rifling Type: Hammer Forged
• Twist Rate: 1:5
• Operating System: Gas Piston
• Muzzle Device: 3-Prong/SIG Suppressor QD
• Muzzle Thread Pitch: 5/8-24
• Handguard Length: 7.94″
• Handguard Inside Diameter: 1.48″
• Handguard Material: Aluminum
• Receiver Finish: Black Anodized
• Bolt Carrier Group Included: Yes
• Bolt Carrier Finish: DLC
• Charging Handle Included: Yes
• Forward Assist: Yes
• Free Floated Handguard: Yes