Hoppe's Elite Pierce Point Cleaning Jag, .30 Caliber-8mm Rifle/Pistol 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 .30 caliber - 8mm rifle/pistol