It is an exact replica of the famous sub-machine gun that many special operations units use today. It comes with the current version navy style group lower. It's full stock allows this gun to take large battery packs for extended play and makes it a great gun for skirmishes. Our AEGs are fully upgradeable and compatible with all after market external and internal parts. Our MP5s are also compatible with other major brand standard or high capacity magazine after market magazines. Specifications: Gearbox Type: Type 2 Length: 640.5mm Height: 225mm Accuracy: 120 feet Muzzle Velocity: 325fps Magazine Capacity: 50 rounds Battery Pack Size: Large Battery Package Includes: battery, charger, gun, magazine, manual Features: Quick Detach Flashhider Full Stock for Large Battery Navy Style Trigger Group