Description
The SIG Sauer MCX-REGULATOR is a premium, factory-built short-barreled rifle (SBR) designed for the discerning shooter. This model features a durable 7075-T6 aluminum upper receiver with a hard-anodized finish, paired with a 6.75-inch barrel chambered in 300 BLK. It stands out with its integrated folding/collapsing stock and ambidextrous controls, offering a compact and highly adaptable platform ready for suppressor use.
Key Features
- Factory SBR with 6.75″ cold hammer-forged barrel in 300 BLK
- Patented short-stroke gas piston system for reliable suppressed fire
- Integrated folding and collapsible SIG minimalist stock
- Full ambidextrous safety, magazine release, and bolt catch
- M-LOK compatible handguard with QD sling socket points
Specifications
| Caliber / Type | 300 AAC Blackout (SBR) |
|---|---|
| Material | 7075-T6 Aluminum / Steel |
| Finish | Hard Coat Anodized |
| Compatibility | SIG MCX Virtus/SPEAR LT platforms |
| Weight | Approx. 6.2 lbs |
The MCX-REGULATOR’s design centers on the 300 BLK cartridge, optimized for short barrels and subsonic suppressed fire. Its self-regulating gas piston system automatically adjusts for suppressor use, reducing port pressure and carbon fouling. This engineering ensures reliable cycling with a wide range of ammunition, from supersonic hunting loads to heavy subsonic rounds, making it a purpose-built tool for specialized applications.
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