Apply a thin
strip of masking tape to the inside surface of the ring,
trim with a razor. Gives the scope a nice snug, slip free
Be aware of
the sky! Chrono sensors hate bright sun light, almost as
much as cloudy skies. Use your sky screens with the sun,
leave them off
on cloudy days. Your velocity readings will be more accurate.
bottom of your clips, helps in tracking down malfuctions.
Remember, most auto pistol malfuctions are caused by the clips.