This beauty shoots like a dream, very accurate and reliable. Only test shot in my apartment, never used for a game. The parts cost me more than 1300CAD, now the complete pistol for only 850CAD. Parts list: 1). Tokyo Marui Hi-Capa 5.1 2). Gunsmith Bros STI Costa Carry Comp Set (Aluminum slide & frame, Steel Outer Barrel, Steel Fiber front Sight & Rear Sight) 3). Steel STI style Slide lock 4). Steel STI style Thumb safeties 5). Steel STI style Mag catch 6）Steel STI style Grip safeties 7). STI style hammer set 8). PDI 6.01mm Inner Barrel 9). Prometheus Red Hop Up Bucking (Hard Type) 10). Dynamic Precision Next Gen Blowback Housing for Tokyo Marui Hi-Capa Series - Black 11). Tokyo Mauri HI-CAPA 5.1 Mag - Silver 12). Tokyo Mauri HI-CAPA 4.3 Mag - Black 13). Alpha Airsoft Custom STI Costa Grip (Cerakote Sand) 13). Gunsmith Bros STI Slim Magwell 14). STI Style Magazine Base - Slim 15). STI Style Magazine Base - Tactical