Kci Usa Inc KCIMZ050 APC9 30Rd 9mm Luger, Smoke Poly-Carbonate, Fits B&T APC9/GHM9/TP9 These magazines Are Designed For The B&T APC9 Platform. Constructed Of An Ultra-Durable Polycarbonate With Steel-Reinforced Feed lips, High Carbon Steel Spring For Enhanced Function And Durability Of The Magazine. Caliber: 9mm Luger Capacity: 30Rd Model: APC9 Material: Poly-Carbonate Capacity: 30 Manufacturer: KCI USA Inc Mfg Number: KCIMZ050 Model: APC9