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

Specification:

• Model: Sig Sauer MCX Upper
• Barrel: 11.5" Cold Hammer-Forged Carbon Steel
• Barrel Finish: Chrome
• Caliber: 5.56×45 NATO
• Finish: Flat Dark Earth Anodized
• Muzzle: Inconel Suppressor
• Stock: Folding Stock Adapter Kit
• Handguard: Removable Titanium Cage – SD Handguard