Sig Sauer MCX-Rattler LT | Complete Upper Receiver | 300 Blackout | 6.75" Threaded Barrel | 5/8X24 Thread Pitch | Fits AR-15 Lower Receivers | Anodized Finish | Black | Includes Charging Handle and Bolt Carrier Group | Clutch-Lok Tapered QD Flash

The MCX-RATTLER LT offers a 6.75"" cold-hammer-forged barrel, compatibility with AR-style triggers, an adjustable gas system for suppressor optimization, a QD Clutchlok Muzzle Device, and an M4 adapter kit to convert any M4 lower to use the MCX platform's folding capability. The new MCX-RATTLER LT design is compatible with all MCX-SPEAR LT parts, so any barrel or handguard from the MCX-SPEAR LT can be interchanged, enabling easy caliber and length conversions. Advanced beyond any platform in its class, the MCX-RATTLER LT upper is the ultimate upgrade for your MCX or M4 lower.

KEY FEATURES:
Adapts with Any M4/AR15 Spec Lower Assembly | Dual Rod Recoil Assembly Eliminates Buffer System | Adjustable Gas System | Quick Change Barrel Design | Ambidextrous Charging Handle with Gas Deflector | Tapered Bolt Design | Compatible with SLX/SLH Suppressors