A police marksman keeps his weapon trained on a house in the Hackney area of east London, Sunday Jan. 5, 2003, where an armed siege entered its eleventh day. Officers spoke for two-and-a-half hours this morning to a gunman who has been holding a hostage since Dec. 26. (AP Photo/Stefan Rousseau, PA)
Excellent photo of a very rare configuration. I believe this rifle to be a G3K with ambidextrous trigger group and PSG1 buttstock added. It is somewhat rare for a G3 variant to have a pictogram ambi trigger group like this rifle has.