WHAT DOES RSO OIL MEAN?

moojersey said: Hey I are examining some threads and I see that There are many of you around that happen to be vary basic safety officers at Elk Neck. I'm enthusiastic about volunteering down there and starting to be an RSO. I live in North East about five-ten mins with the range. I'm new to shooting and also have shot at elk neck about 50 % a doze