The SIG MCX is a family of firearms designed and manufactured by SIG Sauer, produced in both selective fire and semi-automatic only models, and features a short-stroke gas piston system, which is inherited from the earlier SIG MPX submachine gun. The MCX is available in rifle, carbine, short-barreled rifle, and pistol configurations (the latter configuration generally conforming to the definition of a compact carbine but for taking a pistol brace rather than a buttstock).[5]
The MCX was further developed into the SIG MCX Spear, which was adopted in its .277 Fury chambering as the XM7 by the U.S. Army in 2022.

MAKO Virtus .300 Blackout

Requested by Mako
SIG MCX .300BLK
RHS compatible 
US arsenal
Suppresed
custom ammo (own sound (subsonic)
4 slots front
Pics by  My Vape Blew Up

MAKO Virtus .300 Blackout

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