Product Description Offering more cleaning power for your money, this gun rope cleaner is quick and easy to use, ensuring your firearm is ready for action after each use. SME Knockout Bore Cleaner 270 Caliber at MidwayUSA Browse all MidwayUSA deals $7.99 In Stock at MidwayUSA Price checked 7 days ago Buy Now at MidwayUSA Secure checkout Easy returns or compare prices Amazon eBay Product Details Category Pull Through Bore Cleaners Brand Sme MPN GR270-3 Sme