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 Deflector Insert

Sig Sauer MCX Deflector Insert

$13.20

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Sig Sauer Coiled Spring Pin, MCX Low Profile Deflector, 1/8x5/8

Sig Sauer Coiled Spring Pin, MCX Low Profile Deflector, 1/8x5/8

$8.60

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Sig Sauer MCX Low Profile Deflector

Sig Sauer MCX Low Profile Deflector

$13.20

1
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

Sig Sauer MCX Spear LT Upper 7.62x39mm Conversion Kit, 16" Barrel, Black
Sig Sauer MCX Spear LT Upper 7.62x39mm Conversion Kit, 11.5" Barrel, Black
Duramag Speed 5.56/.223 AR-15 Aluminum Magazine, 20 Round

Duramag Speed 5.56/.223 AR-15 Aluminum Magazine, 20 Round

$12.45

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KNS Precision AR / MCX Buffer Adapter with Flange, Black

KNS Precision AR / MCX Buffer Adapter with Flange, Black

$60.00

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Sig Sauer MCX-Spear LT Gas Valve Assembly, 7.62x39mm 16" Barrel

Sig Sauer MCX-Spear LT Gas Valve Assembly, 7.62x39mm 16" Barrel

$144.54

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Sig Sauer MCX Gas Valve J02, Two Position, 5.56 NATO 11.5" Barrels

Sig Sauer MCX Gas Valve J02, Two Position, 5.56 NATO 11.5" Barrels

$119.69

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Sig Sauer MCX Spear LT Handguard, 8" Black

Sig Sauer MCX Spear LT Handguard, 8" Black

$290.40

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