**MAKE SURE YOUR BOLT CLEARS YOUR PHONE MOUNT PRIOR TO FIRING, MAKE SURE PHONE IS SECURED IN CASE BEFORE FIRING. RECOIL MAY LAUNCH PHONE IF NOT* Do it yourself. DIY. How to make a smart phone rifle scope mount for under $10 that WON'T scratch or break your scope. I used my Samsung galaxy s4 android and nikon BDC scope. Using a PVC Cap and adapter and rubber flexible conduit as well as a gear clamp, superglue and dollar store phone case. I have posted a short video    • DIY homemade rifle scope smart phone ...   that shows the mount in use