Hoppe's Elite Pierce Point Cleaning Jag, .22-.243 Caliber, 6mm Rifle Use to push patches Muzzle for the deepest clean Extra-durable, pierce point design Cleaning rod System and other Use to push patches through your muzzle for the deepest clean Extra-durable, pierce point design Threaded 8/32 for the Hoppe's Elite Cleaning Rod System and others Intended for .22 - .243 caliber, 6mm rifle