Sig Sauer MCX
Parts listed here are designed for the Sig Sauer MCX pistol/rifle platform chambered in .223 Rem/5.56x45mm or .300 Blackout unless noted otherwise. MGW carries many replacement stocks, handguards, magazines, triggers, barrels, parts kits, springs, pins and other components for this modular firearm model. Service your Sig MCX with quality OEM and aftermarket parts/components to ensure a solid performance from every shot.
The schematic may not represent all the parts available - please scroll down for a complete list of items offered for this model.
Click on any part number highlighted in RED to view specific details or to purchase online.
It is recommended that all parts be fit by a qualified gunsmith.
Showing 49 - 64 of 237 results
Showing 49 - 64 of 237 results


Sig Sauer MCX/MPX Folding Adapter, Low Profile Tube, 1913 Interface
$145.00
In Stock

Midwest Industries Side Folding Extruded Stock
$188.95
Sold Out

Sig Sauer 1913 Interface Hinge Pin Stop
$6.60
In Stock

Sig Sauer 1913 Interface Hinge Spring
$6.99
In Stock

Sig Sauer Tapered Barrel Muzzle Adapter, 90 Degree Shoulder, 5.56mm
$13.20
In Stock