This is one of the new Hatsan's that was due to be announced at IWA.
Externally adjustable regulator
3 position power adjustment transfer port.
Externally adjustable hammer spring
http://hatsan.com.tr/product/factor-rc/
Externally adjustable regulator
3 position power adjustment transfer port.
Externally adjustable hammer spring
http://hatsan.com.tr/product/factor-rc/