One of the attractions of the MP5 is the system of “rolling lockers or lock slider already used successfully in other arms of the Heckler & Koch, its system of self-feeding is classified as” Delayed blowbacks, “a device to create a locking bolt until the pressures in the camera to reach a safe level, moving back with medium intensity. This feature provides several advantages, among them is the greatest security with ammunition for more power, less recoil and increased accuracy, greater rate of fire.

Your targeting system is not conventional, the backside is made up of mobile and rotating ring, which slides back and forth and rotates in 4 positions, holes, each corresponding to a distance, by default 25, 50, 75 and 100 meters. This weapon has chargers for 15 or 30 shots, both double-wire and straight.

Points:
negative trigger very heavy shot and switch away from the trigger, making it difficult for those with shorter fingers, but the manufacturer says that the weight of the trigger is high only in new weapons and were using between 2.5 and 3kg.
Pros: weight, recoil, accuracy and safety, producing very good groups.