Sig Sauer MCX-Spear LT Upper/Conv. Kit 5.56 11.5 Barrel

Sig Sauer MCX-Spear LT Features The MCX-Spear LT Upper/Conversion Kit stands out with its dual rod recoil assembly which innovatively eliminates the traditional buffer system allowing for a more compact and efficient design. The M4 adapter enhances the kit s versatility enabling the use of Pic rail folding stocks and thereby expanding configuration options. An adjustable gas system allows for precise tuning especially when using suppressors optimizing performance under varying conditions. A hallmark of this kit is its quick-change barrel design allowing users to easily switch calibers and barrel lengths adapting the firearm to different roles or preferences. The gas piston operating system minimizes carbon fouling on critical parts extending the maintenance intervals and overall life of the firearm. Designed for durability the kit s components are engineered to endure 20k rounds before requiring any part replacements supported by a next-gen suppressor designed QD flash hider for seamless suppressor integration. Sig Sauer MCX-Spear LT Specifications Model: SIG MCX-SPEAR LT Caliber: 5.56 NATO Barrel Length: 11.5 Overall Length: 19.75 Weight: 4lb 7oz Barrel: Nitride Coated Cold Hammer Forged Barrel Rifling Type: Hammer Forged Twist Rate: 1:7 Operating System: Gas Piston Muzzle Device: 3-Prong/SIG Suppressor QD Muzzle Thread Pitch: 1/2-28 Handguard Length: 10.23 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