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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Lancer Systems Sig MCX Carbon Fiber Handguard, 10.5"

Lancer Systems Sig MCX Carbon Fiber Handguard, 10.5"

$279.99

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

In Stock

Lancer Systems Sig MCX Carbon Fiber Handguard, 12"

Lancer Systems Sig MCX Carbon Fiber Handguard, 12"

$299.99

Not Yet Rated

In Stock

Sig Sauer MCX Operating Springs Kit

Sig Sauer MCX Operating Springs Kit

$96.36

3
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

Lancer Systems Sig MCX Carbon Fiber Handguard, 18"

Lancer Systems Sig MCX Carbon Fiber Handguard, 18"

$379.99

Not Yet Rated

In Stock

Lancer Systems L5 Advanced Warfighter Magazine, 30 Round 5.56mm/.223cal, Translucent Smoke

Lancer Systems L5 Advanced Warfighter Magazine, 30 Round 5.56mm/.223cal, Translucent Smoke

$19.99

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

Sold Out

Notify Me When Available

Sig Sauer MCX Semi Auto Recoil Assembly Kit

Sig Sauer MCX Semi Auto Recoil Assembly Kit

$338.58

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

Sold Out

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Sig Sauer MCX Extractor Kit

Sig Sauer MCX Extractor Kit

$47.52

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

In Stock

Sig Sauer MCX Ejector Assembly Kit

Sig Sauer MCX Ejector Assembly Kit

$27.72

Not Yet Rated

In Stock

Sig Sauer MCX/MPX Magazine Release Kit

Sig Sauer MCX/MPX Magazine Release Kit

$23.76

3
Ratings Snapshot
4.667
out of 5
Would recommend this product.

Sold Out

Notify Me When Available

Sig Sauer MCX Receiver Wedge

Sig Sauer MCX Receiver Wedge

$13.20

Not Yet Rated

In Stock

Sig Sauer MCX Bolt Assembly, 5.56 NATO / .300 Blackout, CIP

Sig Sauer MCX Bolt Assembly, 5.56 NATO / .300 Blackout, CIP

$192.75

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

Sold Out

Notify Me When Available

Sig Sauer MCX Semi Auto Selector Kit

Sig Sauer MCX Semi Auto Selector Kit

$23.76

3
Ratings Snapshot
4.667
out of 5
Would recommend this product.

In Stock

Sig Sauer MCX Takedown Pins and Springs Kit

Sig Sauer MCX Takedown Pins and Springs Kit

$23.76

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

In Stock

Sig Sauer AR-15, MCX Two Stage Match Trigger Kit

Sig Sauer AR-15, MCX Two Stage Match Trigger Kit

$144.54

Not Yet Rated

In Stock