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.

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Sig Sauer MCX Spear LT Bolt Carrier, 5.56/300 Blackout

Sig Sauer MCX Spear LT Bolt Carrier, 5.56/300 Blackout

$533.28

Not Yet Rated

In Stock

Sig Sauer Spear LT Carrier Group, 5.56/300 Blackout

Sig Sauer Spear LT Carrier Group, 5.56/300 Blackout

$678.48

Not Yet Rated

In Stock

Magpul Gen M3 PMAG .300 Blackout 30 Round AR 300 Magazine, Medium Coyote Tan
Magpul Gen M3 PMAG .300 Blackout 30 Round AR 300 Magazine, ODG

Magpul Gen M3 PMAG .300 Blackout 30 Round AR 300 Magazine, ODG

$15.15

Not Yet Rated

In Stock

Magpul PMAG 30 Round GEN M3 Magazine, 5.56x45mm NATO / .223 Remington, ODG