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 177 - 192 of 237 results
Showing 177 - 192 of 237 results


Sig Sauer MCX Complete Carrier Group, GEI
$629.00
Sold Out

Sig Sauer MCX Virtus Cal-X Kit, 300 Blackout 6.75" Barrel, Tapered Lug
$649.95
Sold Out

Sig Sauer MCX Recoil Bumper Kit
$30.50
In Stock

Sig Sauer MCX Takedown Pins and Springs Kit
$23.76
In Stock

Sig Sauer MCX Semi Auto Selector Kit
$23.76
In Stock

Sig Sauer MCX Bolt Assembly, 5.56 NATO / .300 Blackout, CIP
$192.75
Sold Out