There is a new cleaning company on the scene flipping conventional wisdom on its head. The idea of “shooting” your gun clean might sound idealistic and fictitious, but it is something that now exists as a result of Huntego. They make a shotgun shell that can clean your gun if you shoot it. A more complete and better explanation of the product is stated on the Huntego website:
CleanShot is a patented high-velocity bore cleaning device utilizing approximately 9,500 PSI of outward pressure to power scrub, trap particles and wipe your bore clean. Designed to be used in the field or at a range, CleanShot allows shooters to maintain their firearms with minimal cleaning equipment, effort and mess."

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https://huntegoltd.com