Originally Posted by Suzukiphil
The money issue is probably closest to the truth. Cheaper barrel, and no regulator would be my guess, plus generally cheaper build.
I beg to differ, I have owned several S400s over the years, still have a GML S400, and the accuracy and consistency of these air guns is equal to any air rifle costing 3x the price.
Ps, I own Steyrs, Walthers and Zeniths and the GML is not out of it's class in such company.