30 round capacity, blued steel magazine. Rust and dent resistant finish. .223/5.56 AR-15 Please check with your state regulations for ownership restrictions on high capacity magazines. Residents in states, including but not necessarily limited to, CA, CO, CT, D.C., HI, MD, MA, NJ, NY, and VT may be affected. By adding this item to your cart you understand and agree and certify that you will comply with all applicable federal, state and local laws and regulations.