Lock n stock

Hi all, new member here, just popped into say hello. I wonder if anyone could help me out here with something that has bothered me for a long time. How can i set up my air rifle scope without moving my air rifle so that it stays in the same place all the time, i know this can be done much easier with gas powered air rifles but mine has to be broken to get the pellet in. Is there a way round this so i can set my sights to as accurate as possible? thankyou in advance :-)