Smith & Wesson Holding Corp. agreed to acquire Battenfeld Technologies Inc. for roughly $130 million, adding a broad platform for expanding in the firearm accessories market.

Columbia, Mo.-based Battenfeld is a maker of shooting, reloading, gunsmithing and gun-cleaning supplies under several brands. The company’s products are sold through sporting-goods retailers including Cabela’s Inc. US:CAB and Dick’s Sporting Goods Inc. DKS, -3.02%