Things I liked:Just like the one that came with the Gun!! Right size and weight!!!!
Things I would have changed:None
What others should know:None
Things I liked:fits perfect in the HFC m190 series berrettas I got this to go in my full auto m9 added a recoil spring and a hammer spring and this thing will keep everyones head down when you rip it out on auto will give you some range and more fps then GG/propane
Things I would have changed:nothing really nice some ppl dont like the extended mag but thats ok
What others should know:you will have to modify your mag holders to make these fit