I found that if you put downward pressure on the safety button from the left side of the frame while the safety is off, you can remove the cover, do a few one-handed things inside, and replace the cover without losing the ball. But to take the photos, I had to set the gun down, which pushes the safety from left to right, bringing the ball with it.
Tip-O-the-Day..., if you want to remove the cover for a quick look without taking the grip frame off the airtube, place the safety off, apply some downward pressure to the safety button, remove the cover and IMMEDIATELY apply some heavy grease to the ball/spring. It will still probably/might dislodge, but won't launch. I use a lithium grease in a syringe.
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