I`ve had this gun for about 2yrs and got it primarily for the fact I could purchase a threaded outer barrel to attach a mock suppressor. This is now used a side arm on my spare load out (for the GF, or friends that want to come to a random game). I run a KWA m9 as my field pistol so I don't carry this, however this (KJ M9) has not ever failed anyone that has used it. There are two issues I found with it: If you use the thumb of the hand you are using to hold the gun as you work the lever down the slide gets pulled back just a little, and remains slightly back. If the trigger is pulled with the slide slightly back the gun WILL FIRE! However it will not fire the next shot as the slide will be fully forward now. Second is the mag base seals dont last, each mag (I have 3 total) main seal o-ring on the base section failed. Easy fix tho, just knock out the two pins and remove the base. Replacement o-rings can be found at a local auto parts store.
Upgrade parts avail such as threaded outer barrel for use of suppressors :D
Good overall sidearm.
Safety function will not work unless the slide is completely foreward,
Mag seal o-rings dont seem to last,
No trades, (as is with most M9s on the market, so maybe not a Con?)
Slight mag wobble (can be corrected with a small piece of felt glued inside mag well).
Rating: [4 of 5 Stars!]