5.56 and .223 compatible barrel, flashlight, reddot, picatanny rails, adjustable stock, fore grip, muzzle blast thats on it has very reduced recoil. Psa lower and the upper i am not to sure about. I can only find manufacturer symbol on it which is the square. Interested in selling or trading for pistols or anything, atv, bikes, truck, Love me some good ol pocket pistol 380s.