Collect brass casings for your reloading bench without trying to keep track of where spent casings fly with the Caldwell® AR-15 / M16 Brass Catcher from GunMag Warehouse. This brass catcher features a versatile hook-and-loop attachment strap, designed to deliver quick installation on any AR-15 forend for speedy, field-ready performance, while the zippered bottom and the wide-mouth open top allow you to empty the spent casings with ease. A wire frame offers unwavering reliability and stability and allows brass to enter the bag without disruption to bolt function or interrupting cycling. Plus, this brass catcher boasts a 30-round capacity for improved reliability with less time spent emptying the catcher while at the range.