umarex gen4 g17 upgrades

[Misery]

looking to upgrade my g17 so far have put in an autobot rubber and thats it whats some decent littl;e upgrades?

 

[Nick G]

My go to for glocks is ML rubber , I key and Crazy jet barrel 

 

[Cr0-Magnon]

Which area is it lacking in or are you just bored and want to spend some money on it for the sake of it?

 

[Misery]

more want to make it the best i can rather than just happy with it  if u get what i mean bud,reliability and more accuracy is main goals tbh bud @Cr0-Magnon