Remington 1100 12 Gauge Value: Factors & Estimated Price

The value of a Remington 1100 12 GA 28-inch mod barrel in excellent condition, including a factory recoil pad, an extra 30 full choke, a 22 rifled slug, a sling, and a case, can vary depending on several factors such as the specific model and features, overall condition, location, and current market trends.

Considering the information you provided and assuming the firearm is in excellent condition, it could be valued anywhere between approximately $500 to $800. However, it's essential to have the gun appraised by a professional or consult with knowledgeable gun enthusiasts or firearms dealers to get a more accurate estimate based on the exact model and its specific characteristics.