Pakistan Ordnance Factory is the largest defense industrial complex under the ministry of defense production, producing Firearms and ammo to international standards. POF Board headquarter is at Wah Cantt military city located in the Punjab province of Pakistan. Presently POF comprises of 14 ordnance factories and three commercial subsidiaries. According to sources such as Wikipedia several country's have produced the MP5 Family of weapons under license from HK including Pakistan Ordnance Factories. Current models imported into the United States and offerd by Atlantic Firearms are the POF 5 Pistol & POF 5PK Pistols.