SIG MCX Recoil Assembly
Not Yet Rated | Write the First Review SKU: 222-SIG-KIT-MCX-RECOIL
UPC: 799000000000
MFG#: KIT-MCX-RECOIL

SIG MCX Recoil Assembly – OEM Recoil System Kit for MCX Rifles

Recoil You Can Trust. Built for Durability, Tuned for Performance.

Restore the cycling performance of your SIG MCX rifle with the SIG MCX Recoil Assembly Kit—a complete, factory-engineered recoil system replacement made to OEM spec. Whether you're replacing worn components or building from the ground up, this recoil kit delivers mil-spec durability, smooth cycling, and superior reliability across all compatible calibers, including .223 Rem, 5.56 NATO, and .300 Blackout.

This kit includes every critical internal component needed to keep your MCX running flawlessly—from guide rods and springs to the operating rod assembly—all made from heat-treated steel to withstand the demands of high-round-count shooting.

🔧 Key Features:

• ✅ Factory OEM from Sig Sauer – Designed specifically for the MCX platform.

• ⚙️ Complete Recoil System – Includes recoil springs, dual guide rods, recoil plate and guide, and operating rod assembly.

• 🧱 Made from Hardened Steel – Built to withstand thousands of rounds and maintain performance under stress.

• 🔁 Smooth Cycling – Engineered to reduce wear, improve return-to-battery timing, and enhance overall rifle reliability.

• 🔄 Compatible Calibers – Supports .223 Remington, 5.56x45mm NATO, and .300 AAC Blackout MCX configurations.

What’s Included:

• Recoil Springs

• Dual Recoil Spring Guide Rods

• Recoil Guide

• Recoil Plate

• Operating Rod Assembly

Note: Installation requires disassembly beyond field stripping. Armorers or trained gunsmith installation recommended.

Compatibility & Specifications:

Designed for the Demands of the Modern Shooter

SIG’s MCX platform eliminates the traditional AR buffer tube, replacing it with a dual recoil spring assembly system—a design built for folding stocks, suppressed builds, and rapid cycling. This OEM recoil kit ensures your MCX runs as intended, whether in the field, at the range, or in defense.

Backed by SIG Sauer’s legendary standards, this is the same recoil system trusted by military and law enforcement professionals around the world.