Pro-Shot Tactical .30 Cal .308 Cal Spear Tip Rifle Jag - TJ30 This Pro-Shot Spear Tipped Jag keeps the patch in place when cleaning. A jag draped with a patch completely covers the bore for a superior job of cleaning. For the perfect fit, use Pro-Shot 100% cotton flannel cleaning patches. All jags have #8/32 threads, except 17 Cal. and .20 Cal., which is 5-40 thread.