Otis FGSRSMCR: Do you own an array of rifles? Consider the Otis Multi-Caliber Rifle Cleaning Kit, crafted with the versatility to cater to your extensive collection of rifles. It\'s compatible with numerous calibers, including .22, .223 cal, 5.56mm, .243cal, 6.5mm, .270cal, 6.8mm, 7mm, .30-06, .30-30, .303, .308, .300win mag, .21cal, 7.62mm and 8mm. The kit comes with all the required tools for servicing and maintenance of your rifles, with the added advantage of including solid brass rod sections.