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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FNH SCAR 16S 10-Rnd Magazine Black
Magpul Gen M3 PMAG .300 Blackout 30 Round AR 300 Magazine, Black

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

$15.15

7
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

Lancer Systems L5 Advanced Warfighter Magazine, 20 Round 5.56mm/.223cal, Translucent Dark Earth

Lancer Systems L5 Advanced Warfighter Magazine, 20 Round 5.56mm/.223cal, Translucent Dark Earth

$18.89

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

In Stock

Lancer Systems L5 Advanced Warfighter Magazine, 5 Round 5.56mm/.223cal, Translucent Smoke

Lancer Systems L5 Advanced Warfighter Magazine, 5 Round 5.56mm/.223cal, Translucent Smoke

$18.89

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

In Stock

Sig Sauer MCX Upper 16" Barrel AR Conversion Kit, Tapered Lug, MLOK

Sig Sauer MCX Upper 16" Barrel AR Conversion Kit, Tapered Lug, MLOK

$1,652.00

2
Ratings Snapshot
5
out of 5
Would recommend this product.
View Available Options
Lancer Systems L5 Advanced Warfighter Magazine, 30 Round 300 Blackout, Translucent Smoke

Lancer Systems L5 Advanced Warfighter Magazine, 30 Round 300 Blackout, Translucent Smoke

$19.99

4
Ratings Snapshot
4.75
out of 5
Would recommend this product.

In Stock

Lancer Systems L5 Advanced Warfighter Magazine, 20 Round 300 Blackout, Opaque Black

Lancer Systems L5 Advanced Warfighter Magazine, 20 Round 300 Blackout, Opaque Black

$17.79

12
Ratings Snapshot
4.917
out of 5
Would recommend this product.

In Stock

Lancer Systems L5 Advanced Warfighter Magazine, 30 Round 300 Blackout, Opaque Black

Lancer Systems L5 Advanced Warfighter Magazine, 30 Round 300 Blackout, Opaque Black

$17.79

5
Ratings Snapshot
4.6
out of 5
Would recommend this product.

In Stock

Lancer Systems L5 Advanced Warfighter Magazine, 10 Round 5.56mm/.223cal, Translucent Dark Earth

Lancer Systems L5 Advanced Warfighter Magazine, 10 Round 5.56mm/.223cal, Translucent Dark Earth

$18.89

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

In Stock