no sorry man, i cant help you there. ive never owned any Armalite style guns. That is why i didn't post anything up. I agree with Crunch, a solid stock will allow you to use a big battery, which IMHO, is a huge plus.
as for upgrades, those i do know. Modify is a good company as well, i think they are a little cheaper than prometheus. Either way, you can go wrong with Modify or Prometheus.
The list i gave you is VERY comprehensive. But for a sportline, i dont know if installing all of them will be worth it (especially from the economic aspect).
If you dont want to rewire your gun to the rear, just get a magpul stock. they look and feel great.
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