Geissele Automatics MK16 Urg-I Complete Upper Receivers 5.56mm - MK16 10.3" URGI Upper CHF Barrel, Ach, Rebcg 5.56mm Ddc
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Geissele
Overview
The Geissele Automatics Mk16 URG-I Complete Upper Receiver is designed for the AR-15 platform and features a 10.3-inch barrel chambered in 5.56 NATO, making it ideal for compact builds that require maneuverability without sacrificing performance. This complete assembly comes in a Flat Dark Earth (FDE) finish, providing a sleek look while integrating seamlessly with various lower receivers. Commonly found in builds utilizing a carbine gas system, this upper receiver is well-suited for tactical applications and close-quarters engagements.
Specifications
Geissele Automatics MK16 Urg-I Complete Upper Receivers 5.56mm - MK16 10.3" URGI Upper CHF Barrel, Ach, Rebcg 5.56mm Ddc
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Build history on GunPartPicker
Builders on GunPartPicker first added the Geissele Automatics MK16 Urg-I Complete Upper Receivers 5.56mm - MK16 10.3" URGI Upper CHF Barrel, Ach, Rebcg 5.56mm Ddc to a build in February 2026.
Updated · from real builds on GunPartPicker
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Frequently Built With
The part most often added in each category by the 8 builds that include this one
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Aero Precision AR-15 5.56 BCG W/C158 Bolt - Aero Logo - Phosphate
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Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
Magpul AFG-2 Angled Fore Grip - Flat Dark Earth
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 1 →Builds in the community that include the Geissele Automatics Mk16 Urg-I Complete Upper Receivers 5.56mm - Mk16 10.3" Urgi Upper Chf Barrel, Ach, Rebcg 5.56mm Ddc
| Build | Parts | Total |
|---|---|---|
 | 29 | $5471.89 |
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