Things I liked:+Very solid build
+Working Charging handle
+350fps with .25's!!!! (I checked)
+great iron sights Things I would have changed:needs Railed handguard.
needs metal flashhider.
bbs sometimes fall out of barrel after loading mag. What others should know:You will need a mount to add a scope or red dot.
The hicap magazine may act up for the first few fills (just like most hicaps)
This is The smokey version of the m4a1 ultra grade.
if you want to use a foregrip, you'll need to buy some rails for the handgaurd.