SIG Sauer MCX Virtus 300 Blackout Pistol - Gray - 9"

Manufactured by Sig Sauer
Manufactured by Sig Sauer
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Items that are regulated by the ATF have restrictions and requirements: 
•Your entire order will ship only to a Federal-Firearm License holder.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to



The Sig Sauer MCX Vitrus Pistol is a highly adaptable, versatile and reliable semi-auto AR style pistol. The MCX offers the highest level of operator safety with unmatched in-field adaptability and the reliability you have come to expect from a Sig firearm. It features a stealth grey finished receiver and a 9-inch cold hammer forged carbon steel barrel chambered in .300 Blackout barrel for unrivaled flexibility. Sig’s proven internal recoil system offers reduced recoil and a compact platform. The MCX Vitrus comes equipped with a folding and collapsible PCB stock making the firearm easy to tailor to any shooters preference and as compact as possible for storage or transport. This MCX features an M-LOK handguard, polymer grip and 30-round polymer magazine for unmatched operational capabilities. It is operated on a gas piston system for optimal performance and reliability. The MCX Virtus features the Matchlite Duo trigger with a crisp, clean feel for enhanced accuracy. The Sig Sauer MCX Vitrus Pistol is ideal for the shooter looking for a versatile AR adjacent pistol with ambidextrous controls and unrivaled reliability.

  • Manufactured by SIG Sauer
  • .300 AAC Blackout
  • One 30-round polymer magazine
  • 9-inch barrel
  • PCB arm brace
  • Polymer grip
  • Matchlite Duo trigger
  • M-LOK handguard
  • Gas piston system
  • Carbon steel barrel
  • 1:5 twist rate
  • Gray

Sig Sauer is a world-renowned firearms manufacturer with a rich history of innovation and design leadership. No other firearms manufacturer is so highly regarded and so universally respected for the quality, reliability, and safety of its products. Since 1864 they have expanded their product line to include suppressors, optics, ammo, and airguns to provide customers with a greater range of firearms and equipment.
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Barrel CoatingSalt Bath Nitride
Barrel ContourProprietary
Barrel Length9
Barrel LiningSalt Bath Nitride
Barrel MaterialCarbon Steel
BrandSig Sauer
Caliber Gauge300 Blackout
Frame SizeAR Pistol
Gas System TypeShort Stroke Gas Piston
Muzzle DeviceFlash Hider
Thread Pattern5/8 X 24
Twist Rate1:5

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