Sig Sauer MCX-SPEAR LT Barrel and Gas Block Assembly Features The Sig Sauer MCX-SPEAR LT Barrel and Gas Block Assembly is a complete factory replacement unit including both the 11.5 barrel and gas block assembly engineered specifically for the MCX-SPEAR LT platform to ensure the same fit function and cycling reliability as the factory-installed components. As a genuine Sig Sauer replacement part built to the same exacting tolerances as the barrel shipped with the rifle this assembly delivers the consistent accuracy and reliable gas operation that MCX-SPEAR LT owners depend on in range competition and duty applications. The complete assembly format eliminates the need to source individual components separately for a straightforward all-in-one replacement solution. The MCX-SPEAR LT 11.5 5.56 NATO factory barrel assembly is finished in black and does not include a loaded chamber indicator maintaining the clean tactical profile of the MCX-SPEAR LT platform. Whether replacing a worn barrel upgrading from a different barrel length configuration or restoring a damaged assembly this genuine factory unit is the correct and most reliable replacement solution for MCX-SPEAR LT owners who demand factory-spec performance from their rifle. Sig Sauer MCX-SPEAR LT Barrel and Gas Block Assembly Specifications Manufacturer: Sig Sauer Model: MCX-SPEAR LT Barrel and Gas Block Assembly Caliber: 5.56 NATO Barrel Length: 11.5 Color: Black Loaded Chamber Indicator: No Compatible With: MCX-SPEAR LT Includes: Barrel / Gas Block Assembly