B's Dry Fire Snap Caps - Dummy 12 & 20 Gauge Training Rounds (9 Pack) Carefully choose your gauge - 9 X 23/4 rounds per pack - Specifically designed for dry firing - Hand assembled from real 12 gauge hulls with pride in the USA to strict quality standards Unmatched durability - Does not chip, flake, or break apart like other snap caps. Carefully weighted to match a standard shell - feels like the real thing! Cleans easily with a paper towel and rubbing alcohol. We recommend ejecting them onto a carpeted surface or grass for maximum longevity The best customer service in ANY industry. Simply contact us if you have an issue and we'll work with you promptly and professionally NOTE: Please review the "Product Description" section for important compatibility details. Different 12 Gauge colors and sizes are for different purposes