Product Overview
- Semi-automatic 5.56 NATO rifle built on the MCX Spear LT platform with a short-stroke gas piston operating system.
- Flat Dark Earth Cerakote Gen II NIR finish with reduced infrared signature; folding/telescoping aluminum stock and QD flash hider.
- Includes one 30-round magazine (confirmed from model lineage); additional package contents not confirmed.
- Must ship to a Federal Firearms License (FFL) holder.
Overview
The Sig Sauer MCX Spear LT in 5.56 NATO is a semi-automatic rifle with a 16" threaded steel barrel, 30+1 capacity, and a short-stroke gas piston operating system. It carries a Flat Dark Earth Cerakote Gen II NIR finish applied to alloy steel receivers and weighs 7.5 lbs with an overall length of 35". The folding/telescoping aluminum stock allows the rifle to be configured for different shooting positions.
The MCX Spear LT IR features fully ambidextrous controls, a flat blade match trigger, a 1:7" twist rate barrel, and is optic-ready. The QD flash hider is suppressor-compatible, and the platform accepts MCX LT barrels and handguards.
Key Features
- 16" threaded steel barrel, 1:7" twist, chambered in 5.56 NATO, 30+1 capacity.
- Short-stroke gas piston system with mid-length gas system for reliable cycling.
- Flat Dark Earth Cerakote Gen II NIR finish reduces infrared signature on alloy steel receivers.
- Folding/telescoping aluminum stock with push-button hinge for storage and transport flexibility.
- Fully ambidextrous controls including ambidextrous lever safety selector.
- QD flash hider is suppressor-ready and compatible with Sig Sauer QD suppressor mounts.
- Optic-ready top rail; interchangeable with MCX LT barrels and handguards.
FFL & Compliance
This firearm must ship to a Federal Firearms License (FFL) holder. The buyer is responsible for knowing and complying with all applicable local, state, and federal laws. Magnum Ballistics does not provide legal advice or determine purchase eligibility. We ship only to the FFL dealer selected during checkout.
