Carlson’s%20Snap%20Caps%20allow%20for%20safe%20release%20of%20firing%20pin%20springs.%20A%20spring%20loaded%20striking%20area%20cushions%20and%20protects%20firing%20pins%20(centerfire%20calibers%20only).%20These%20Snap%20Caps%20are%20an%20excellent%20tool%20for%20teaching%20and%20eliminating%20flinching.Whatever%20your%20needs%2C%20Snap%20Caps%20are%20handy%20and%20inexpensive.-%20Caliber%3A%20223%20Remington-%20Sold%20per%202%20snap%20caps