Caliber Summer Open 19.7 is:

15.3

Complete as many rounds and repetitions as possible in 14 minutes of:
7 muscle-ups
50 wall-ball shots
100 double-unders

Men use 20-lb. ball to 10 feet,
Women use 14-lb. ball to 9 feet

Scaled:

Complete as many rounds and repetitions as possible in 14 minutes of:
50 wall-ball shots
200 single-unders

Men use 20-lb. ball to 9 feet,
Women use 10-lb. ball to 9 feet