SKU: 3023002178CPDL10 Description: This is a 10-round Duramag magazine for AR-15 rifles chambered in .223/5.56 or .300 BLK. Featuring a 10-round capacity in a standard 30-round magazine footprint, this Duramag AR-15 magazine is perfect for self-defense and training in states with restrictions such as California and New York. Designed to deliver superior corrosion resistance and lasting performance in harsh environments, the AR-15 10-round magazine is built with a 6061-T6 aluminum body with a Type III hard-coat anodized finish.