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. Wire frame holds fabric in correct shape and allows brass to enter bag without disruption to bolt function or interrupt cycling. Captures and holds approximately 30 rounds of spent brass. Zipper at bottom of mesh bag makes emptying simple.Won’t interfere with gun’s cycling.