The SIG Sauer MCX Spear LT IR is a modern semi auto rifle engineered for modularity durability and advanced performance. Chambered in 7.62x39mm it features a 16 in. threaded barrel combined with the lightweight MCX platform and enhanced recoil system for smooth operation. Designed for versatility this rifle incorporates a folding telescoping stock and free float M-LOK handguard for adaptability across training and tactical applications.Key Features16 in. threaded barrel chambered in 7.62x39mmMCX Spear LT gas piston operating system for reliable cyclingGEN II NiR FDE Cerakote alloy steel receiver with Picatinny railM-LOK handguard for accessory mounting flexibilityAdjustable folding telescoping polymer stockAR compatible reduced angle grip for improved ergonomicsSIG Sauer designs training ready platforms that emphasize realistic controls durable construction and modern accessory compatibility. The brand's airgun lineup mirrors popular centerfire models to support economical practice and familiar handling. From M-LOK furniture to rail ready setups SIG Sauer products are built to help shooters stay consistent between range sessions.