NOTICE OF EARLY RANGE CLOSURE. The CPSR will be closing at 1 pm to the public on Sat May 21st. Posted on May 13, 2022 by cpsr NOTICE OF EARLY RANGE CLOSURE. The CPSR will be closing at 1 pm to the public on Sat May 21st. This is for a RSO appreciation day. We will resume normal hours on Sunday May 22nd