SBR LaserMatch™ cartridges are specially designed for handgun and sub-machinegun training applications. They provide the shooter with immediate feedback through trajectory visualization - you actually see the rounds impact the target - thereby allowing rapid correction of shooting errors. (ERVT) Extended Range Visible Tracer: Visual ballistic signature exceeding 150 yards. Use in longer range handgun and machinegun training applications. Excellent for firing demonstrations and for testing firing ranges to determine ricochet vulnerabilities. TRACER AMMUNITION IS NOT LEGAL IN CALIFORNIA.