This airsoft gun is very high quality and extremely durable, but it might not be completely worth the $450. It is made of almost all metal, and shoots well, but the iron sights are pretty bad. I would suggest getting the top rail and maybe a susat scope. Overall great gun.
Quick spring change
Uses standard m4 mags
Large battery space (large type)
Average ROF (I would suggest a 9.6 nunchuck or 11.1 lipo)
Weighs about 14 pounds