Sig Sauer MCX-R Regulator 5.56 NATO FDE Rifle

Description

Product Overview

The Sig Sauer MCX-R Regulator is a semi-automatic rifle built on the MCX lower receiver concept, compatible with MCX uppers and configured for modern optic use. This 5.56 NATO variant features a 16-inch cold hammer forged carbon steel barrel, a 2-stage match trigger, fully ambidextrous controls, and a Magpul SGA stock. Finished in Gen 2 NiR FDE Cerakote, it also includes an ARCA rail integrated into the receiver and a 2-ported compensating muzzle brake tuned for the 5.56 setup.

Key Features

• 16-inch cold hammer forged carbon steel barrel chambered in 5.56 NATO
• 2-stage match trigger for consistent, precise pulls
• Fully ambidextrous controls including ambidextrous safety selector, bolt catch, and magazine release
• Magpul SGA stock with stable, adjustable support
• Receiver integrated ARCA rail for versatile mounting options
• 2-ported compensating muzzle brake for the 5.56 configuration

Set up for practical use with an optic-ready design and a precision-oriented trigger—this MCX-R Regulator is ready for the range or the field.