Sig Sauer MCX SPEAR-LT SBR Rifle RMCX-556N-11B-LT-SBR, 223 Rem/5.56 NATO, 11″, Coyote Finish, 30 Rds

$2,499.99

The MCX platform has long been SIG SAUER’S breeding ground for developing the best rifle system in the world through extensive testing, continued innovation

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SIG SAUER MCX-SPEAR LT SBR – 5.56 NATO / .223 Rem, 11″ Barrel, Coyote Finish, Folding Stock, 30-Round

The SIG SAUER MCX-SPEAR LT SBR RMCX-556N-11B-LT-SBR is a compact semi-automatic rifle platform built on the next generation of the MCX family. Chambered in 5.56 NATO / .223 Remington, this SBR configuration features an 11-inch barrel, Coyote anodized finish, and a folding stock design, delivering a highly modular platform focused on mobility, reliability, and performance.

The MCX-SPEAR LT builds upon the MCX platform with a lightweight aluminum receiver, short-stroke gas piston operating system, and rotating bolt design. The piston-driven system helps keep the operating components cleaner while providing reliable cycling across a wide range of conditions.

Featuring a lightweight M-LOK handguard, fully ambidextrous controls, and a folding stock interface, the MCX-SPEAR LT offers excellent adaptability for professional, defensive, and recreational applications. The rifle is optics-ready with a full-length top rail and includes a 30-round magazine configuration.

Specifications

Feature	Specification
Manufacturer	SIG SAUER
Model	MCX-SPEAR LT SBR
Model Number	RMCX-556N-11B-LT-SBR
Caliber	5.56 NATO / .223 Remington
Action	Semi-Automatic
Operating System	Short-Stroke Gas Piston
Bolt Type	Rotating Locking Bolt
Barrel Length	11 inches
Barrel Type	Cold Hammer Forged Barrel
Twist Rate	1:7″ RH
Finish	Coyote Anodized
Receiver Material	Aluminum
Handguard	Aluminum M-LOK Handguard
Stock	Folding Stock
Magazine Capacity	30 Rounds
Magazine Type	AR-15 Pattern Magazine
Trigger	SIG Flatblade Match Trigger
Safety	Ambidextrous Safety Selector
Controls	Fully Ambidextrous
Optics Mount	Full-Length M1913 Picatinny Rail
Muzzle Device	SIG QD Suppressor-Ready Flash Hider
Overall Length	Approx. 28.5″ Folded / 31.5″ Extended
Weight	Approx. 7 lbs

Key Features

Chambered in 5.56 NATO / .223 Remington
Compact 11-inch SBR configuration
Advanced short-stroke piston operating system
Lightweight aluminum receiver construction
Durable Coyote finish
Folding stock design for compact transport
Fully ambidextrous controls
M-LOK accessory handguard
Full-length optics rail
SIG flatblade match trigger
Suppressor-ready muzzle device
30-round magazine capacity
Modular MCX-SPEAR LT platform

The SIG SAUER MCX-SPEAR LT SBR 5.56 NATO combines the proven MCX operating system with modern improvements, offering a compact and versatile rifle platform designed for users who value modularity, reliability, and advanced ergonomics.