what people think strippers do is often misunderstood because of the term stripper. In fact they are just brakes using the excess airflow to steady the muzzle or reduce recoil. Springers don't produce anything the air flow so the stripper has far less to work with and is pointless in that respect.
We've seen the same thing when we change the efficiency of pcps. If you make them really blow you can feel the brake working. Make them efficient and it lowers its effect.
BFTA/NSRA County Coach
CSFTA Chairman/BFTA Rep