The FN USA SCAR-16S Magazine is a standard factory replacement magazine. This magazine is for the SCAR-16, FS2000 or any other standard pattern AR-15 rifle chambered in .223 Remington or 5.56mm NATO. This magazine holds 30 rounds of ammunition. It is made of aluminum with a flat dark earth finish and is made to FN's specifications and tolerances, using the same manufacturing and materials as the original equipment magazines, ensuring perfect fit and operation.