Airsoft Gun -- Seeing the Projectiles Hit

Factual Questions
1

I cannot see the balls on the (sticky) target unless I am really close – this is like shooting blind… Is there a solution? (I must shoot indoors)

2

Spotting Scopes.

https://www.amazon.com/Spotting-Scopes/b?ie=UTF8&node=3168061

3

AirSoft projectiles come in different colors. Perhaps changing to a brighter, or darker color would help. Also try having a brighter light at the target location.