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.
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.
NFA DISCLAIMER
This gunpart is a regulated item by the National Firearms Act (NFA). Please check with your local and state municipalities for any further regulatory requirements. It is the buyer's responsibility to make sure they comply with all NFA rules and applicable laws.
Features:
- 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
Specifications:
- Model: Sig Sauer MCX Upper
- Barrel: 11.5" Cold Hammer-Forged Carbon Steel
- Barrel Finish: Chrome
- Caliber: 5.56x45 NATO
- Finish: Flat Dark Earth Anodized/IR CERAKOTE
- Muzzle: Inconel Suppressor
- Stock: Folding Stock Adapter Kit
- Handguard: Removable Titanium Cage - SD Handguard
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