Stay competitive and a step ahead of your competition with the Altas Gunworks® 2011 Competition DLC 9mm 23-Round 140mm Magazine. This aftermarket magazine boasts durable steel construction and a diamond-like carbon finish for superior corrosion-resistance and long-lasting strength that’s perfect for the rough use and abuse of the competition circuit. Further, an aluminum basepad adds minimal weight while adding another layer of shock resistance to this magazine for superior protection.