so im new to phoenix (moved here from NY) and i just recently received my KA GBB M4A1 and im looking for somewhere that i can do some actual range sighting in. my backyard is far to small to set it up properly for outdoor OPs. any locals who know of some places i could do this? thanks for all of your help!
Welcome to AZ. Depending on how well you know your own weapon system, you could just go to a game and in the time before the scenario starts, sight in at the field. Unless you're running a highly upgraded sniper weapon system, you won't need more than 5 or 10 minutes to sight in.
This is of course, assuming your weapon system is properly shimmed and has good compression, air seal, and a properly seated bucking. I always tune my weapons in the minutes / hour right before a game starts, because I always disassemble and clean them the day before. This invalidates the dope chart and I have to re dial it in.