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 Trigger Pivot Pin, Semi Auto

Sig Sauer MCX Trigger Pivot Pin, Semi Auto

$13.20

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Sig Sauer MCX Pivot Latch Pin

Sig Sauer MCX Pivot Latch Pin

$9.95

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Sig Sauer MCX Bolt Catch Pin

Sig Sauer MCX Bolt Catch Pin

$6.60

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Sig Sauer MCX Hammer Pivot Pin, Semi-Auto

Sig Sauer MCX Hammer Pivot Pin, Semi-Auto

$21.35

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Sig Sauer MCX Gas Valve Stop Pin

Sig Sauer MCX Gas Valve Stop Pin

$20.33

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Sig Sauer MCX Gas Valve Detent

Sig Sauer MCX Gas Valve Detent

$9.95

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Sig Sauer MCX Spiral Gas Ring

Sig Sauer MCX Spiral Gas Ring

$10.56

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Sig Sauer MCX Gas Valve Lever
Sig Sauer MCX Bolt Catch Plunger

Sig Sauer MCX Bolt Catch Plunger

$6.60

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Sig Sauer MCX Hammer Assembly, Auto
Sig Sauer MCX Upper Receiver Wear Pin

Sig Sauer MCX Upper Receiver Wear Pin

$6.60

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Sig Sauer MCX Pistol Grip Screw

Sig Sauer MCX Pistol Grip Screw

$6.60

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Sig Sauer MCX Cam Path Insert

Sig Sauer MCX Cam Path Insert

$57.42

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Sig Sauer MCX Fire Control Selector, Semi

Sig Sauer MCX Fire Control Selector, Semi

$20.33

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In Stock