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 Recoil Bumper Kit

Sig Sauer MCX Recoil Bumper Kit

$30.50

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

Sold Out

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Sig Sauer MCX Bolt Assembly, 5.56 NATO / 300 Blackout, Tapered Lug

Sig Sauer MCX Bolt Assembly, 5.56 NATO / 300 Blackout, Tapered Lug

$192.75

Not Yet Rated

In Stock

Sig Sauer MCX Virtus Cal-X Kit, 300 Blackout 6.75" Barrel, Tapered Lug

Sig Sauer MCX Virtus Cal-X Kit, 300 Blackout 6.75" Barrel, Tapered Lug

$649.95

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

Sold Out

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Sig Sauer 5.56mm Flash Hider, 3 Prong

Sig Sauer 5.56mm Flash Hider, 3 Prong

$47.52

8
Ratings Snapshot
4.875
out of 5
Would recommend this product.

In Stock

Lancer Systems L5 Advanced Warfighter Magazine, 20 Round 300 Blackout, Translucent Smoke

Lancer Systems L5 Advanced Warfighter Magazine, 20 Round 300 Blackout, Translucent Smoke

$19.99

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

In Stock

Sig Sauer MCX Lower Parts Kit

Sig Sauer MCX Lower Parts Kit

$96.36

Not Yet Rated

In Stock

Sig Sauer MCX Bolt Catch Kit

Sig Sauer MCX Bolt Catch Kit

$18.48

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

In Stock

Sig Sauer MCX Bolt Carrier Kit

Sig Sauer MCX Bolt Carrier Kit

$290.40

Not Yet Rated

In Stock

Sig Sauer MCX Complete Carrier Group, GEI

Sig Sauer MCX Complete Carrier Group, GEI

$629.00

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

Sold Out

Notify Me When Available