CaldwellA(R) AR500 Rimfire KYL Challenge Targets are the perfect way to test your shooting skills and have fun competitions with friends. These targets are commonly referred to as KYL targets short for "know your limits". This name comes from the 8 targets that range in size from 2" to A 1/4" that are designed to test a shooter's skill. The most common way to use the target is for shooters to start with the largest target and accumulate points for each target they hit. If the shooter misses, they drop back to zero. This tests a shooter's ability to judge their limits and see how well they stack up against others. Targets are constructed of certifie Mfg: Caldwell Shooting Supplies