Geissele Automatics MK16 11.5 URGI Upper CHF Barrel ACH REBCG DDC

Description

Product Overview

The Geissele MK16 11.5 URGI upper pairs a cold hammer forged, chrome-lined 5.56mm barrel with a mid-performance AR-15 upper layout tuned for reliability. Designed in the spirit of the USASOC URGI configuration, it features a pinned .750 low-profile gas block and the SureFire SF4P 4-prong flash hider pinned and welded for a secure, duty-ready setup. This package also includes the ACH charging handle, a Reliability Enhanced Bolt Carrier Group, and the Super 42 braided wire buffer spring with an H1 buffer.

Key Features

• 11.5in CHF chrome-lined 5.56mm barrel with 1/7 twist for versatile ammunition compatibility
• Carbine gas system with pinned .750 low-profile gas block for consistent operation
• Geissele Super Modular Rail MK16 handguard in DDC for solid mounting options and durability
• SureFire SF4P 4-prong flash hider pinned and welded for a secure muzzle configuration
• Includes ACH charging handle and REBCG for dependable cycling and enhanced reliability
• Super 42 braided wire buffer spring and H1 buffer combo included

Build a modern, reliable AR-15 upper with Geissele’s URGI-style configuration and the included duty-ready components.