The Caldwell Brass Trap is specifically designed to catch brass casings in most shooting environments with any gun saving you time and keeping your shooting area clean.Caldwell Brass Trap - Universal Brass CatcherWorks with both rifles and pistolsHeat resistant mesh constructionZippered bottom for easy brass removalBench top use or tripod mounting with 1/4-20 threaded studCollapses easily to fit in range bagCarry bag includedDurable construction prevents lost brass casesPerfect for reloaders and shooters who want to spend more time shooting and less time searching for brass. The cases never hit the ground keeping your shooting area organized and your brass in pristine condition.