With a folding stock that allows for the gun to still function, AR style controls, and a hard-hitting round out to 100 meters, it's no wonder that a handful of SF teams picked this up. One component that sets this rifle apart is the handguard. This is the BLK Widow by ALTRD.

Pictures of Ukrainian SOF guys have recently circulated amid the Russian invasion. Some speculate that these MCXs are in the hands of NATO forces but after some research, we concluded (and verified) that these rifles are contract guns for high-speed Ukrainian troops.

Tarkov 9” 300 BLK MCX ; Ukrainian SOF MCX Loadout; Modern Warfare 2 ACR Loadout; RSASS Loadout; 14.5" URGI Loadout; 10.5" Retro M4 Loadout; 14.5" M4 (Modern Warfare 2 Build) Grey MK18 Loadout ; LVAW Sig MCX 300 BLK Loadout; 14.5" FSP Block II; SCAR 17S 16” Suppressed SCAR 17S 13.7" M4 + M203 (Modern Warfare 2 Build)

Lucas runs his Sig MCX with the new Super MCX SSA trigger from Geissele Automatics. Super MCX SSA Trigger. Chopped barrel to 13.7 by PMM. Midwest Industries MLOK rail. Live on FOX with...

Mar 5, 2022 · Lucas goes over the MCX build in use by Ukrainian Special Operations personnel. The build features an Aimpoint red dot, magnifier, DBAL A2, Sig SRD suppressor, and Surefire light. Plate carriers used: T.REX ARMS AC1 CRYE CPC. A further break-down of this build can be found at TREX-ARMS.COM. 00:00 – Intro 03:44 – The Build 09:00 – Close ...

Lucas goes over the MCX build in use by Ukrainian Special Operations personnel. The build features an Aimpoint red dot, magnifier, DBAL A2, Sig SRD suppressor, and Surefire light.

Lucas takes the new gen 3 Sig MCX out for a spin.

A few months ago, T.REX ARMS purchased a handful of Law Enforcement trade-in rifles. We don't tend to buy large quantities of the same gun, but this find was special. For some reason, an agency purchased Sig Virtus MCX's chambered in 300 Blackout and hardly shot them.

This highly configurable MCX series of Personal Defense Weapons includes machine pistol and short barrel rifle variants, compact for concealment, suppressor ready.

Oct 6, 2022 · OP's MCX is a Virtus, so only Virtus handguards will fit. The Key Mod was on the legacy generation MCXs. The third generation known as the Spear LT will have yet a different handguard design. PS: SIG will eventually discontinue Virtus hanguards as the Spear will take over the MCX market.