THIS IS ONE OF THE BADDEST G19X PISTOLS AVAILABLE TO BUY, ONLINE, OR ANYWHERE, TODAY...! YOU WON'T SEE A GLOCK 19X READY TO COMPETE RIGHT OUT OF THE BOX LIKE THIS ONE VERY OFTEN. THIS G19X COMES WITH A CUSTOM COMPENSATOR THAT HAS BEEN CERAKOTED TO MATCH THE SLIDE, ALSO COMES WITH A CUSTOM CANTILEVER, RAIL MOUNTED OPTIC MOUNT WITH AN RMR FOOTPRINT, ALSO CERAKOTED TO MATCH, AND OF COURSE THAT CUSTOM MAGAZINE EXTN. I didn't mount a Red Dot on it so the buyer can pick the exact Red Dot they want. Get ready to shoot flat, and get back on target super fast, and with the Famous Glock reliability...!