Sig Sauer, MCX-SURG (Suppressed Upper Receiver Group) Upgrade Kit, FDE (UAMCXA-SURG)

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

The Kit was specifically engineered as a drop-in upgrade for a standard M4A1 lower, converting any standard Mil-Spec AR rifle.

Utilizing SIG SAUERS advanced suppressor design 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.

The unique heat shield design of the Upgrade Kit, is meant to prevent burns while still allowing the operator to maintain high rates of fire.

Includes a complete 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

• Selected By USSOCOM
• 11.5” 5.56 MCX Upper Receiver Group FDE
• DIRECT THREAD 1.49 lbs 7.3“ Reduced Blow Back
• 556 Suppressor With Titanium Heat Shield
• Includes Lightweight Low-Profile Handguard and SD Handguard With Heatshield
• Includes Adapter Kit For Standard M4 Lower