On a dedicated server, when disarming and rearming the AP-5 with a different gun, both guns may remain on the drone and sometimes the old gun will get extra magazines. After disarming the AP-5, the gun will drop onto the ground and after rearming the AP-5 will have the new gun, but you can use both guns on the AP-5. Occasionally, the old gun will get extra magazines. This can be a big problem for balance because sometimes the drone will have up to five times its normal ammo. I have tested this on an official BI Extraction server.