Caldwell Brass Catcher -Tired of picking up .223 brass from your AR? The AR-15 Brass Catcher attaches to the forearm of any AR with hook and loop webbing and captures the ejected brass. It prevents brass from being scattered around your shooting area. Also works great in preventing hot brass from landing on shooter or other people next to the shooter. Product Dimensions: 1.5 x 5 x 9.5 inches ; 4 ouncesHolds approx 30 rounds of spent brassQuickly attaches to various rifle modelsZipper for easy emptying