Product Overview
- Short-barreled rifle (SBR) chambered in .223 Remington / 5.56 NATO with an 11.5-inch barrel.
- Short-stroke gas piston operating system; folding stock and ambidextrous safety in Flat Dark Earth.
- 30+1 round capacity; aluminum receiver construction.
- Must ship to a Federal Firearms License (FFL) holder.
Overview
The SIG SAUER MCX SBR is a short-barreled rifle chambered in .223 Remington / 5.56 NATO, built on the MCX platform with a short-stroke gas piston operating system. The 11.5-inch barrel features a 1:7 twist rate. The aluminum receiver is finished in Flat Dark Earth, and the rifle ships with a folding stock and ambidextrous safety. Capacity is 30+1 rounds.
Key Features
- Caliber: .223 Remington / 5.56 NATO — standard intermediate rifle cartridge.
- 11.5-inch barrel with 1:7 twist — compact SBR barrel length on the MCX platform.
- Short-stroke gas piston operation — self-contained gas system keeps fouling away from the bolt carrier.
- Folding stock — allows the rifle to be stored or transported in a reduced footprint.
- Ambidextrous safety selector — operable from either side of the receiver.
- Aluminum receiver in Flat Dark Earth finish — consistent color throughout the platform.
- 30+1 round capacity — accepts standard STANAG-pattern magazines.
FFL & Compliance
This short-barreled rifle is an NFA-regulated item and must ship to a Federal Firearms License (FFL) holder. Buyers are responsible for understanding and complying with all applicable local, state, and federal laws, including NFA transfer requirements. Magnum Ballistics does not provide legal advice or determine individual eligibility. We ship only to the FFL dealer selected during checkout.
