Reynolds, shoot a 10-shot group with each round through a cold barrel; maybe 3 minutes apart. That'll tell you not only what your accuracy level is about reality with a cold barrel but also give you the best center of group to zero on. You don't have to shoot every 24 seconds or even 36.
US Navy Distinguished Marksman Badge 153
Former US Navy & Palma Rifle Team Member
NRA High Power Master & Long Range High Master
NRA Smallbore Prone Master