Description

SIG SAUER is proud to introduce the MCX-SURG (Suppressed Upper Receiver Group) Upgrade Kit. Designed
to meet the highly-specialized needs of USSOCOM, the MCX-SURG Kit was developed to deliver extreme
performance for special operations units while maintaining high-levels of accuracy and durability.

The MCX-SURG Upgrade Kit was specifically engineered as a drop-in upgrade for a standard M4A1 lower,
converting any standard Mil-Spec AR rifle into a next-generation MCX. Utilizing SIG SAUER’S advanced
suppressor design the MCX-SURG has been tested under Special Operations harshest, most demanding
conditions, and has been proven to exceed even the most extreme durability, accuracy and sound
reduction standards.

*LIMITED RUN* The unique heat shield design of the MCX-SURG Upgrade Kit, is meant to prevent burns while still allowing
the operator to maintain high rates of fire

The MCX-SURG includes a complete MCX upper receiver group, direct thread Inconel suppressor,
removable titanium cage, SD handguard, low profile handguard, folding stock with adapter kit, and
chambered in 5.56 NATO.Model: Sig Sauer MCX Upper
Barrel: 11.5″
Caliber: 5.56×45 NATO
Finish: Flat Dark Earth
Muzzle: Inconel Suppressor
Stock: Folding Stock Adapter Kit
Handguard: Removable Titanium Cage – SD Handguard
Class 3 Item