The KWC PM59 is a blow-back BB replica of a Soviet Makarov PM59 pistol powered by the 12g Co2 capsules, which are capable of delivering up to 40 shots per a single Co2 capsule. It is field stippable just as a real Makarov and has an accurate range of upto 15 metres. Its full size magazine has a capacity of 15 steel BBs and estimated energy of 1.8 Joules. It has a Full Metal (Alluminium) construction with plastic pistol grip and has a very realistic weight and great feel to it. The slide moved back and locks automatically or manually when magazine is empty