This Hiawatha GU12 5518A is a 12 gauge semi-automatic shotgun featuring a 28-inch vent rib barrel and a 14-inch length of pull. Hiawatha-marked firearms were commonly distributed through retail and hardware store channels, often built by established manufacturers and marketed under trade names for sporting use.

This example is a classic field-style semi-auto shotgun suitable for hunting and general sporting applications. It features a ventilated rib barrel for improved sighting and a traditional wood-stock configuration. The GU12 remains a solid utility shotgun with vintage appeal and practical functionality. The bore is in good condition.

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Shotgun Gauge: 12 Gauge
Model: GU12 5518A
Serial # - Firearms: NVSN561

• Shotgun Gauge: 12 Gauge
• Model: GU12 5518A
• Serial # - Firearms: NVSN561