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SIG SAUER ProForce MCX VIRTUS 11.5" Barrel PDW AEG w/ VFC Avalon Gearbox
(Model: Tan / Gun Only)

ID: 24204 (AIR-PF-MCXAEG-TAN)

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Optics, suppressor, Lantac magazine, and vertical grip shown in images not included

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29 Customer Reviews (Write a review)

$449.99

Airsoft Authority Since 2001
Serving enthusiasts for over 25 years

Industry-Leading Warranty
Buy with confidence - 90 day warranty

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Free shipping over $149 in lower 48 states

MAP ProtectedExempt From Coupons

The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.

CanadaExport Compliant

This gun has a muzzle velocity rating (FPS) between 366 and 500, and is compliant for export to Canada.

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Free shipping within lower 48 US states, no coupon code needed!

Order Today Receive as soon as Tue Aug. 11 with Free Shipping

Model Options:

Model

Black / 350 FPS / Evike Performance Shop Upgrade Package w/ GATE ASTER$1229.44

Model

Black / 350 FPS / Evike Performance Shop Upgrade Package w/ GATE TITAN$1176.78

Model

Black / Go Airsoft Package$569.89

Model

Black / Gun Only$449.99

Model

Black / Warfighter Package$512.96

Model

Tan / 350 FPS / Evike Performance Shop Upgrade Package w/ GATE ASTER$1134.85

Model

Tan / 350 FPS / Evike Performance Shop Upgrade Package w/ GATE TITAN$1090.64

Model

Tan / Go Airsoft Package$569.89

Model

Tan / Gun Only$449.99

Model

Tan / Warfighter Package$512.96

Features

Precision CNC machined all metal receiver w/ M-LOK handguard; fully licensed with deep engraved roll marks
Accurate weight and feel to the real thing
Barrel and handguard comes apart just like the real thing (allows easy access to battery compartment)
Ambidextrous charging handle w/ realistic dual return springs; mock bolt locks back for easy access to hopup adjustment (functional bolt stop)
Ambidextrous controls (selector, mag release)
3 position telescoping PDW style stock
VFC Avalon Gearbox featuring improved bearings, quick change spring system, built in MOSFET, and powered by high torque neodymium magnet motors; Rifle comes with m120 spring pre-installed for outdoor use, m100 spring included to meet indoor field FPS limits
QD sling mounts on handguard, lower receiver, and stock

Manufacturer: SIG SAUER (UPC: 798681608270)

FPS Range: 390-420

Parts Diagram can be found HERE

Length (Overall): 737mm (29")
Inner Barrel: 295mm
Weight: 3kg (7lbs)
Magazine Capacity: ~120rd
Thread Direction: 14mm Negative
Gearbox: VFC Avalon V2 Gearbox with ECS
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety
Battery: 11.1v LiPo Butterfly Type Recommended (Wired to handguard w/ small Tamiya)
Hopup: Yes, Adjustable (Rotary Style)
Package Includes: Gun, Magazine, Manual, m120 & m100 Springs

by Kofey W. on 02/12/2026

"Love the gun! the feel of it is really nice and stable, granted I put a Polarstar F2 inside of it before i tried stock parts. Easily upgradable and pretty somewhat decent to take apart. Only con i have is how hard it is to take of the flash hider. i had to use a Dremel to cut it off, other than that id recommend this rifle especially for the aesthetic of the build

by Dante L. on 06/23/2024

"I'm loving this gun. Been using it as my primary for a couple of months now. Totally stock and it still performs very well. It feels solid, it shoots accurately, and coming with both an indoor and outdoor spring is a nice addition. There is some minor wobble on certain parts, like the right safety selector and the stock, but the former is unnoticeable to me since I don't really use the right safety, and the latter is only noticeable when you're focused on making the stock wobble. Otherwise, this gun is great! Perfect for people like me who want something a bit more unique than just another M4 but still want the benefits of that platform.

Some things I do want to note though:
First, the battery. The connector is in the handguard and, as such, space is limited. I've found shorter stick batteries to fit perfectly, but I've been mainly using my small Matrix brick 7.4v LiPo (the kind of battery you'd use for an Ares Amoeba Honey Badger) which does fit, but barely. Also, yes, I did say 7.4v. I play at an indoor arena and I had issues with the gearbox locking up when using an 11.1v LiPo with the indoor spring. However, I have had no issues using an 11.1v with the outdoor spring and using a 7.4v with the indoor spring. So, if you want to be safe, consider what type of fields you're playing at to decide what battery to get (or just get both, why not).

The other thing is magazine compatibility. I don't have a huge mag selection, but I can say that this will not seat KWA K120s. They will not lock into the mag well. I've been using EMG l5 AWMs as my main magazines (feed perfectly and look cool). From my testing, I can also say that all of my STANAG-style magazines fit and feed fine.

If you want an MCX, I say go for it. I've been loving mine and I'm sure you will too!

by Virgil G. on 08/01/2023

"Absolutely phenomenal gun! I purchase a few new guns a year and this by far is my favorite! Out of the box was great, with a few upgrades it became the best gun I have.

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About SIG SAUER

SIG SAUER, Inc. is a leading provider and manufacturer of firearms, electro-optics, ammunition, airguns, suppressors, and training. For over 150 years SIG SAUER, Inc. has evolved, and thrived, by blending American ingenuity, German engineering, and Swiss precision. Today, SIG SAUER is synonymous with industry-leading quality and innovation which has made it the brand of choice amongst the U.S. Military, the global defense community, law enforcement, competitive shooters, hunters, and responsible citizens. Additionally, SIG SAUER is the premier provider of elite firearms instruction and tactical training at the SIG SAUER Academy. Headquartered in Newington, New Hampshire, SIG SAUER has almost 2,000 employees across eight locations in the U.S. and around the world.

About SIG AIR

SIG SAUER air pistols, air rifles and accessories are engineered to elevate airguns to a new standard of performance. Perfected for practice with every advantage built in, these airguns are the economic, authentic answer to training more often, more effectively.

About ProForce

The SIG AIR ProForce line of airsoft guns is designed for professionals who train frequently and want the option of training safely in realistic force-on-force scenarios. SIG SAUER is a huge proponent of training, and we will continue to offer our customers numerous new product options to facilitate the safe practice of gun handling and target shooting in various environments.

About Evike Exclusive

At Evike.com, we believe that superior outdoor recreational products can create a better world. That is why we develop, innovate, and pioneer to bring you the perfect experience, service, and products.