MCX Parts & Accessories

Sig Sauer

SIG Sauer MCX-SPEAR LT 9" 300BLK Upper AR Conversion Kit FDE - UAMCX-300B-9B-LT-IR

*CONTACT US FOR A SPECIAL COUPON CODE!* SIG Sauer MCX-SPEAR LT 9" 300BLK Upper AR Conversion Kit – FDE – UAMCX-300B-9B-LT-IR The SIG Sauer MCX-SPEAR LT 9" Upper Conversion Kit (UAMCX-300B-9B-LT-IR)...

Sig Sauer

Sig Sauer MCX-RATTLER LT 6.75-INCH 300BLK Barrel and Gas Block Assembly

Genuine replacement barrel for the 6.75" 300BLK MCX-RATTLER LT. Complete with barrel and gas block assembly. Note* This barrel assembly is not compatible with non-LT model MCX-RATTLERS. This will...

Sig Sauer

Sig Sauer UAMCX-556N-16B-LT-TT-R4XT MCX-SPEAR LT Conversion Kit | 16" 5.56 NATO Piston Driven Upper with Romeo4XT-PRO Optic & Folding Stock

Sig Sauer

Sig Sauer MCX-SPEAR LT 7.62x39 Bolt Carrier Assembly

Factory replacement bolt carrier assembly for the SIG MCX-SPEAR LT.   This genuine SIG SAUER bolt carrier assembly is the factory replacement for the SIG MCX-SPEAR LT chambered in 7.62x39mm...

Sig Sauer

SIG SAUER MCX Barrel Clamp Screw

Description: Sig Sauer MCX Barrel Clamp Screw. This OEM factory original barrel clamp screw is manufactured for the Sig Sauer MCX series of rifles chambered in .223 Rem, 5.56x45mm, and .300 Blackout...

Odin Works

ODIN Works MPX EXtended Magazine Release - Black

ODIN Works MPX EXtended Magazine Release allows you to rapidly change mags without disrupting your shooting pattern. Compatible with the Sig7

Arisaka Defense

Arisaka Defense MCX Zero Retention Clamp for the Sig Sauer MCX Spear LT Standard Handguard - Black

The Patented Arisaka Zero Retention Clamp (ZRC) greatly reduces zero shift for lasers and iron sights that are mounted on the handguard of the MCX Virtus and Spear LT. This version is designed for...

KNS Precision

KNS Precision Stock Adapter without Flange - Fits AR/MCX, Converts Buffer Tube to 1913 Rail, Black

The AR/MCX Stock Adapter allows the user to mount a picatinny-style stock attachment (such as the SIG MPX folding stock) in place of an AR15 style buffer tube. Many firearms utilize the buffer tube...

KNS Precision

KNS Precision Compact Stock Adapter with Flange - Fits AR/MCX, Converts Buffer Tube to 1913 Rail, Black

All the advantages and versatility of the AR/MCX Adapters without the added rail length that locks into the rear AR15 receiver stock plate pocket. The Compact AR/MCX Stock Adapter allows the user to...

Sig Sauer

Sig Sauer MCX Lower Parts Kit

Factory replacement lower parts kit for the SIG MCX   Includes: LOWER PARTS, PINS, SPRINGS, BOLT CATCH, MAG RELEASE, SELECTOR, WEDGE,

Sig Sauer

Sig Sauer MCX-Spear LT 13 Inch Handguard Black

Sig Sauer

Sig Sauer MCX-Spear LT 13 Inch Handguard Coyote

Sig Sauer

Sig Sauer MCX-Spear LT 8 Inch Handguard Black

Sig Sauer

Sig Sauer MCX-Spear LT 8 Inch Handguard Coyote

Samson Manufacturing

Samson 04-06114-01 Picatinny Side Folding Stock Adapter - Black

The Samson Picatinny Side Folding Stock Adapter is a robust and versatile solution for shooters seeking superior adaptability and precision. Designed to seamlessly integrate with a variety of...

Lancer Systems

Lancer SIG MCX® CARBON HANDGUARD LCHMCX12

Lancer’s Carbon Fiber Handguard for the Sig Sauer MCX® is a lightweight M-LOK compatible upgrade over the standard OEM handguard. The LCH-MCX installs easily – utilizing the OEM mounting hardware –...

Sig Sauer

Sig Sauer MCX-RATTLER LT UPPER ASSEMBLY - 6.75" 300BLK

Complete 6.75" upper assembly kit for your MCX-RATTLER LT in 300BLK Nearly 10 years ago the MCX LVAW was introduced and became the choice of Special Forces groups worldwide. With its 6.75” 300BLK...

Lancer Systems

Lancer Systems Carbon Fiber Handguard Sig MPX 10" - LCH-MPX-10

*CONTACT US FOR A SPECIAL COUPON CODE* Lancer Systems LCH-MPX Carbon Fiber Handguard - 10.0-Inch Length, Fits Sig Sauer MPX Platforms, Integrated Top Picatinny Rail, M-LOK Compatible Slots,...

Sig Sauer

Sig Sauer MCX SPEAR LT 16" 556NATO Barrel and Gas Block Assembly

Genuine replacement barrel for the 16" 5.56 MCX-SPEAR LT. Complete with barrel and gas block assembly. Specification Model SI

Sig Sauer

Sig Sauer MCX SPEAR LT 11.5" 5.56 NATO Barrel Assembly - 8901313

*CONTACT US FOR A SPECIAL COUPON CODE!* Sig Sauer® MCX® SPEAR LT 11.5" 5.56 NATO Factory Replacement Barrel & Gas Block Assembly – Cold Hammer Forged – 1/2x28 Thread Pitch – Adjustable Piston Valve...

Sig Sauer

Sig Sauer MCX SPEAR LT 9-Inch 300BLK Barrel and Gas Block Assembly - 8901315

*CONTACT US FOR A SPECIAL COUPON CODE!* Sig Sauer MCX SPEAR LT 9" Barrel & Gas Block Assembly – .300 BLK – 8901315 The Sig Sauer MCX SPEAR LT 9-Inch Barrel Assembly (8901315) is a factory-original...

Lancer Systems

Lancer Systems Carbon Fiber Sig Sauer MPX 8.0" Handguard - Replacement Handguard, Sig MPX, Carbon Fiber Black

*CONTACT US FOR A SPECIAL COUPON CODE!* Engineered to fit the Sig Sauer MPX, Lancer's 8" Carbon Fiber Lightweight M-LOK Handguard is a drop-in replacement that offers a 50% weight reduction over the...

Sig Sauer

Sig Sauer MCX Stock Adapter Kit - 2401191-R

MCX Stock Adapter Kit gives you the ability to upgrade your rifle and install MCX folding stock assemblies (Note: This will not work with Collapsible stocks / braces).CAUTION: Many States and...