Geissele Automatics Super Duty AR-15 Barreled Upper Receiver 5.56 Carbine - DDC - No Muzzle Device - 11.5"

Geissele Automatics Super Duty AR-15 Barreled Upper Receiver 5.56 Carbine - DDC - No Muzzle Device - 11.5"The Geissele Super Duty 11.5" Barreled Upper Receiver is a hard-use, duty-focused upper built for reliability, durability, and consistent performance in demanding conditions. It features a cold hammer forged 11.5" CMV barrel with a 1:7 twist and chrome-lined bore, paired with a carbine-length gas system and Geissele's Super Compact gas block for dependable cycling. The included 10.5" Super Modular Rail MK16 provides a rigid, lightweight mounting platform with a proven profile for duty and tactical use.This is a barreled upper receiver configuration-no bolt carrier group, charging handle, or muzzle device included-making it an ideal foundation for agencies and individual builders who want to choose their preferred internals and muzzle setup. Finished in Desert Dirt Color (DDC), note that Geissele's DDC is intentionally variable and not intended for exact color matching across parts.Features 11.5" cold hammer forged CMV barrel with chrome-lined bore Carbine-length gas system with Geissele Super Compact gas block 10.5" Super Modular Rail MK16 for rigid, low-profile mounting Nanoweapon-coated components for enhanced corrosion resistance Mil-spec upper receiver fitment No BCG, charging handle, or muzzle deviceSpecifications Caliber: 5.56 NATO Barrel Length: 11.5" Twist Rate: 1:7 Barrel Material: CMV, Cold Hammer Forged, Chrome Lined Gas System: Carbine Handguard: 10.5" Super Modular Rail MK16 Finish: DDC (Desert Dirt Color) BCG / Charging Handle: Not Included Muzzle Device: Not IncludedFinish Note: Geissele DDC varies across parts and batches and is not intended to color-match. For uniform color, refinishing is required.