Sig Sauer® - RMCX-556N-16B-LT-B - MCX Spear LT 5.56 NATO 16" Semi Auto 30+1 Black Rifle

Sig Sauer® MCX Spear LT is a semi auto rifle chambered in 5.56 NATO with a 16 in. cold hammer forged threaded barrel and 30+1 capacity. It features a black anodized alloy receiver with Picatinny rail, alloy M-Lok handguard, Minimalist Plus folding stock, and AR compatible reduced angle grip. This rifle includes a short stroke piston operating system, fully ambidextrous controls, SIG 2-Stage Matchlite Duo flat trigger, adjustable gas system, forward assist, SIG QD suppressor ready flash hider, and one 30 round polymer magazine.

Key Features

• 5.56 NATO semi auto rifle with 30 round magazine capacity.

• 16 in. cold hammer forged steel threaded barrel with 1/2x28 tapered shoulder threads.

• Short stroke piston operating system with adjustable gas system.

• Black anodized alloy receiver with Picatinny rail and M-Lok handguard.

• Minimalist Plus folding stock with AR compatible reduced angle grip.

• Includes fully ambidextrous controls, forward assist, and one 30 round polymer magazine.

SIG SAUER® produces firearms with a strong emphasis on modern engineering, modularity, and duty grade performance across its catalog. The brand is widely known for handguns, rifles, optics, and related products developed for military, law enforcement, defensive, and sporting applications. SIG Sauer® products are recognized for durable construction, practical innovation, and broad platform support across a wide range of configurations.