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Geissele Automatics
Overview
The Geissele Mk16 Urg-I Complete Upper Receiver is a fully assembled upper designed for the AR-15 platform, featuring a 14.5-inch barrel chambered in 5.56 NATO. This complete upper includes critical components like the ACH and REBCG, ensuring reliable performance and compatibility with a wide range of lower receivers. Builders often incorporate this upper in 5.56 NATO caliber builds, making it a versatile choice for various applications.
Based on build data

B5 Systems SOPMOD Government, Mil Spec, Coyote - SOP1352

Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger

Surefire SOCOM556 Gen2 Suppressor, Dark Earth - SOCOM556RC2DE

Geissele Automatics Llc Ar-15 Premium Buffer Tube Ddc

Bravo Company M16 Bolt Carrier Group Black

EOTech XPS2 Holographic Sight, Tan - XPS2-0TAN
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| B5 Systems SOPMOD Government, Mil Spec, Coyote - SOP1352 | 5 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 4 | |
| Surefire SOCOM556 Gen2 Suppressor, Dark Earth - SOCOM556RC2DE | 3 | |
| Geissele Automatics Llc Ar-15 Premium Buffer Tube Ddc | 3 | |
| Bravo Company M16 Bolt Carrier Group Black | 2 | |
| EOTech XPS2 Holographic Sight, Tan - XPS2-0TAN | 2 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
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