Sig Sauer MCX Virtus for sale
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Sig Sauer MCX Virtus Patrol 5.56 NATO 16" Rifle, Stealth Grey
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
16"
Caliber:
.223 Rem/5.56×45mm NATO
Capacity:
30
Finish Per Color:
Stealth Grey
(0)
Sig Sauer MCX Virtus 300 Blk 9" 30 Round Pistol, Stealth Gray
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
9"
Caliber:
.300 AAC Blackout
Capacity:
30
Finish Per Color:
Gray
(0)
Sig Sauer MCX Virtus 5.56 NATO 11.5" 30 Round Pistol, Stealth Gray
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
11.5"
Caliber:
.223 Rem/5.56×45mm NATO
Capacity:
30
Finish Per Color:
Stealth Grey
(0)
Sig Sauer Sig MCX Virtus .300 Blackout/5.56 Semi-Automatic AR Pistol - PMCX-11B-TAP-CO
Brand:
Sig Sauer
Barrel Length:
11.5"
Caliber:
5.56×45mm NATO
Capacity:
15
Finish Per Color:
Stealth Grey
Rounds:
15
(0)
Sig Sauer MCX Virtus 5.56 NATO 30 Round Semi Auto Gas Operated Pistol, Flat Dark Earth - PMCX-11B-TAP-FDE
Brand:
Sig Sauer
Barrel Length:
11.5"
Caliber:
.223 Rem/5.56×45mm NATO
Capacity:
30
Finish Per Color:
Flat Dark Earth
Rounds:
30
Marketplace Insights
★ 5.0/5
based on 3 customer reviews across 9 variants from 13 retailers
Highly praised MCX Virtus rifle with exceptional build quality, accuracy, and modularity, though some users note limited suppressor compatibility.
What customers like
Build Quality & Design100%
beautifully well-put-together and awesome fit & finish
Accuracy & Reliability100%
great shooting gun, very accurate, very reliable
Versatility & Modularity67%
With the versatility of over 500 different setups
Trigger Performance33%
Trigger is crisp, and accuracy is there as expected
Common concerns
Suppressor Compatibility33%
wish Sig would stope making their barrel ends designed to only accept sig suppressors
Frequently Asked Questions
Sig Sauer MCX Virtus for sale
Is the MCX VIRTUS discontinued?
Yes, SIG Sauer discontinued the MCX Virtus. It has been replaced by the Spear-LT. Used Virtus rifles remain available on the secondary market, typically around $2,200.
Is the sig mcx virtus good?
The MCX Virtus earned strong reviews for reliability, accuracy, and soft recoil. Its modularity and smooth handling were widely praised. SIG discontinued it in favor of the Spear-LT, but used examples still trade on the secondary market around $2,200.
How much is the SIG MCX Virtus 22 air rifle?
The SIG MCX Virtus PCP Air Rifle in .22 caliber costs around $349.99. The previously cited range and median price were wildly inaccurate for this air rifle. Check our marketplace listings for current availability and pricing from verified sellers.
How does the MCX VIRTUS compare to an AR-15?
The MCX Virtus features a folding stock, short-stroke piston system, and tool-free barrel swaps, making it more compact and modular than a standard AR-15. Both fire 5.56 and share similar controls. The AR-15 wins on cost and aftermarket support; the Virtus wins on versatility and recoil management.
What calibers does the SIG MCX Virtus come in?
The SIG MCX Virtus comes in 5.56 NATO and .300 Blackout. Both calibers share the same lower receiver, so you can swap barrels and uppers to switch between them.
Can civilians buy a SIG MCX?
Yes, civilians can buy semi-automatic SIG MCX rifles. The MCX Virtus in 5.56 NATO and .300 Blackout is discontinued but available used, typically around $2,200. SIG also offers the MCX SPEAR in 7.62×51, with .277 SIG Fury coming soon. Standard federal firearms regulations apply.
What does MCX stand for?
MCX stands for Mission Configurable eXchange. SIG Sauer uses this designation for its piston-driven modular rifle platform, which allows quick barrel and caliber changes. Variants include the Virtus, Rattler, and SPEAR.
Why is the SIG MCX so expensive?
The SIG MCX uses a short-stroke piston system, modular quick-change barrel and caliber components, and a folding stock with an internal recoil system. These features require tighter tolerances and more complex manufacturing than standard AR-15 designs. Retail prices typically run around $2,200.