What is the average sentence for armed robbery using weapon for first time offernders?

The average sentence for armed robbery involving a weapon for first-time offenders typically ranges from 5 to 15 years, depending on jurisdiction and specific circumstances of the crime. Factors such as the severity of the offense, any injuries caused, and the offender's background can influence the length of the sentence. Some jurisdictions may offer plea deals that could reduce the sentence. Additionally, mandatory minimum sentences may apply in certain areas.