Check the listing for details. RCI-XRAIL XTRA SHELL CADDY, Shotgun, Shell, extra round, Black, match saver 12GA. Color: Black, Condition: New. Listed at 15.00 USD. RCI-XRAIL XTRA SHELL CADDY, One BLACK When you just need that one extra round to get your Buck, Goose, or get back in the game… Screws included Also Available in Blue, and Red. (If order more than one, can request multiple colors in one order) For 12 gauge NOTE: Will be extremely tight when first purchase, it will loosen up a bit. Insert shell by starting with rim of shell against gun and popping it in down towards barrel end. To keep tight, please do not store shell in Caddy when gun is not in use. For more information about our company ROTH Performance, our 26 Round RCI-XRAIL shotgun that we manufacture, our Custom Shotgun Performance Shop, or our host of other shotgun solution and accessories, look us up on the web using ROTHPerformance