I have a Q-Loader A5 and its great. The loader is super faster (faster than my virtue egrip). One of the earlier posts is right - once you go QLoader there is no going back as you need to grind off part of the reciever. I was smart and bought mine from QL already done for me. The new QL parts are more durable than mine (5 years old). Make sure to really learn the rewind of the springs and the care of the QL system otherwise it can be a pain in the ***. Make sure to get at least 4 QPods or more because they only hold 100 rounds.
One last thing is that the reloading of the pods really sucks with the stock Silo. What I did was bought a cheap E-hopper and hooked that up to the reload socket - WAYYYY better and faster. If you use the Silo it is a pain because you put it over your shoulder and have to shake it as your fill and have to wait for the line to catch up with QPod, plus doing 4 QPods between games really sucks and your friends will not want to help as it is a pain in the arse.
just my 2 cents