REED CITY - A 17-year-old from Reed City pleaded guilty Friday for his role in a February armed robbery in Osceola County. Michael Paul Williams will spend the next five and a half to 15 years in prison after pleading guilty to armed robbery. In exchange for the plea, one count of first-degree home invasion and one count of felony firearm possession were dismissed. He will receive credit for 130 days served in Osceola County Jail. Williams, along with John Jay Williams, 20, and Damian Lee Jones, 21, also of Reed City, were all charged in March with armed robbery, first-degree home invasion and felony firearm possession for their alleged involvement with an armed robbery at a residence in Osceola County. On Feb. 23, Michigan State Police troopers from the Mount Pleasant post were called to the scene of the assault at a house in Osceola County's Highland Township. The victim told police that three masked men forcefully entered his home armed with a long gun, assaulted him and fled with his property. The victim was transported to Mercy Hospital in Cadillac where he was admitted for treatment of his injuries as a result of the incident. John Williams and Jones are both scheduled for settlement conferences on Friday, July 18. Court documents show a two-day jury trial is scheduled for Saturday, Aug. 16 and Sunday, Aug. 17 for Jones if a plea agreement is not reached.