The HK 416 Advanced SB199 AEG Combat Kit Airsoft Pistol offers you the ability to totally dominate your next match with no compromise. This combat kit features a fully functioning HK 416 airsoft rifle, as a MK23 spring airsoft pistol. The airsoft rifle features an internal hopup, 250 BB magazine, metal barrel and full/semi-auto firing modes. This HK 416 Airsoft rifle can fire 6mm BBs at speeds of up to 340 feet per second. While the spring powered pistol can hold up 25 BBs and fire at velocities of up to 275 feet per second.