Description
The Sig Sauer ProForce MCX Virtus AEG is an airsoft rifle, not a firearm — a licensed 6mm trainer built to the dimensions and controls of the MCX Virtus so the manual of arms carries over. An electric drive, a 120-round magazine and a 3-position adjustable stock make it a practical way to run drills indoors or in a backyard without burning ammunition.
What the Sig Sauer ProForce MCX Virtus AEG Is
ProForce is SIG’s airsoft line, licensed and built to match the real rifle rather than approximating it. The receiver, the controls and the stock interface are laid out the way the MCX Virtus is, so a magazine change, a safety sweep or a charging stroke is the same motion you would use on the firearm. It fires 6mm plastic BBs, not ammunition, and no FFL is involved.
The point of a trainer like this is repetition: you can run a hundred reloads in an evening for the cost of a bag of BBs.
Electric Drive, Magazine and Stock
The AEG designation means automatic electric gun — a battery-powered motor cycles the piston, which gives you consistent velocity and the ability to run semi and full auto without gas or CO2. The magazine holds 120 rounds, enough for extended drills between reloads. The 3-position adjustable stock lets you set length of pull for a jacket, a plate carrier or shirtsleeves.
Where an Airsoft Trainer Actually Helps
Trigger control, sight picture, reloads, malfunction drills and movement all transfer directly. What does not transfer is recoil management, so treat this as a supplement to live fire rather than a replacement for it. For force-on-force practice or for working in spaces where live fire is impossible, an AEG is the only realistic option.
Sig Sauer ProForce MCX Virtus AEG Specifications
| Manufacturer | SIG Sauer (ProForce Airguns) |
|---|---|
| Model | MCX Virtus AEG |
| Manufacturer Part Number | AIRPFMCXAEG |
| UPC | 798681608270 |
| Type | Airsoft AEG (Automatic Electric Gun) |
| Ammunition | 6mm Airsoft BBs |
| Magazine Capacity | 120 Rounds |
| Power Source | Rechargeable Battery (sold separately) |
| Stock | 3-Position Adjustable |
| Receiver Finish | Black |
| FFL Required | No – Airsoft |
| Condition | New in Box |

Who the Sig Sauer ProForce MCX Virtus AEG Suits
This suits anyone who already owns or trains on an MCX and wants reps without range time or ammunition cost. It is also a common choice for airsoft field play, where the licensed trim and the adjustable stock make it competitive out of the box. Parents buying for a teenager should know it is an airsoft gun, which still requires eye protection and adult supervision.
Batteries, BBs and Accessories
AEGs need a battery and a charger, which are sold separately unless a kit says otherwise — check what is in the box before you order. Most shooters run 0.20 to 0.25 gram BBs for general use and heavier weights for outdoor distance. The rail sections accept airsoft-rated optics and lights, and spare 120-round magazines are inexpensive.
Safety and Storage
Airsoft guns are not firearms, but they look like them, so store and transport this rifle in a case and never carry it uncased in public. Eye protection is mandatory for everyone in the area when it is in use, and a barrel plug or blaze tip should stay on when it is not. Local ordinances on airsoft vary, so check your municipality.
Shooting the Sig Sauer ProForce MCX Virtus AEG
Velocity out of an AEG is consistent shot to shot because a motor and a spring do the same thing every time, which is the main advantage over a gas gun in cold weather. Expect usable accuracy out to airsoft distances with quality BBs and a hop-up adjusted for the weight you are shooting. The trigger is an electrical switch rather than a mechanical sear, so it will not teach you a firearm trigger press, but everything upstream of the break transfers.
Run it dry occasionally to learn the feel of an empty magazine and practice the reload the same way you would on the real rifle.
Ordering
This item ships directly to you — no FFL transfer is required. If you have questions about batteries, magazines or whether this is the right trainer for your setup, call or email us before you order and we will sort it out.
This is an airsoft product and does not require an FFL transfer. Questions about batteries, BB weight or spare magazines? Call or email us before you order and we will make sure you get the right setup. are listed in our rifles. Factory specifications are published by SIG Sauer.
Every Sig Sauer ProForce MCX Virtus AEG sold by MAG5 Firearms ships new in the factory packaging with the accessories SIG Sauer includes, and transfers to your chosen FFL. The Sig Sauer ProForce MCX Virtus AEG is a regulated firearm and we verify licensing before any order leaves the shop.






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