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 Rattler Upper 5.56 NATO Conversion Kit, 5.5" Barrel

Sig Sauer MCX Rattler Upper 5.56 NATO Conversion Kit, 5.5" Barrel

$1,836.00

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

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ROMEO1 MOUNTING KIT, KEYMOD

ROMEO1 MOUNTING KIT, KEYMOD

$84.99

Not Yet Rated

In Stock

Sig Sauer MCX Rattler Handguard, 5.56mm 5" Low Profile, MLOK Black

Sig Sauer MCX Rattler Handguard, 5.56mm 5" Low Profile, MLOK Black

$193.38

1
Ratings Snapshot
4
out of 5
Would recommend this product.

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Sig Sauer MCX/MPX PDW Grip, Black

Sig Sauer MCX/MPX PDW Grip, Black

$23.76

8
Ratings Snapshot
4.625
out of 5
Would recommend this product.

In Stock

Black Rain Laser Etched 30 Round 5.56x45 NATO, Trump Punisher

Black Rain Laser Etched 30 Round 5.56x45 NATO, Trump Punisher

$25.00

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

In Stock

Black Rain Laser Etched 30 Round 5.56x45 NATO, Trump MAGA-zine

Black Rain Laser Etched 30 Round 5.56x45 NATO, Trump MAGA-zine

$25.00

2
Ratings Snapshot
5
out of 5
Would recommend this product.

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Black Rain Laser Etched 30 Round 5.56x45 NATO, I'm Your Huckleberry

Black Rain Laser Etched 30 Round 5.56x45 NATO, I'm Your Huckleberry

$25.00

2
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

Black Rain Laser Etched 30 Round 5.56x45 NATO, Hillary Behind Bars

Black Rain Laser Etched 30 Round 5.56x45 NATO, Hillary Behind Bars

$25.00

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

In Stock

Black Rain Laser Etched 30 Round 5.56x45 NATO, Tattered Flag

Black Rain Laser Etched 30 Round 5.56x45 NATO, Tattered Flag

$25.00

2
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

TriggerTech Sig Sauer MCX Two Stage Trigger, Curved Trigger

TriggerTech Sig Sauer MCX Two Stage Trigger, Curved Trigger

$279.99

Not Yet Rated

In Stock

TriggerTech Sig Sauer MCX Two Stage Trigger, Flat Trigger

TriggerTech Sig Sauer MCX Two Stage Trigger, Flat Trigger

$279.99

2
Ratings Snapshot
5
out of 5
Would recommend this product.

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Magpul PMAG 30 Round GEN M3 Window Magazine, 5.56x45 NATO / .223 Remington, Medium Coyote Tan

Magpul PMAG 30 Round GEN M3 Window Magazine, 5.56x45 NATO / .223 Remington, Medium Coyote Tan

$17.00

2
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock