It fires a 4.6x30mm cartridge.
According to H&K's website, the MR556 should start becoming available by late 2009.
H. K. Ayliff was born in 1871.
H. K. Ayliff died in 1949.
K. H. Scheer died in 1991.
K. H. Scheer was born in 1928.
K. H. Ting was born in 1915.
K. H. Pfeffer has written: 'Australien'
K. H. Spring has written: 'Protons and electrons'
K. H. Gautam has written: 'Private planting'
H. K. Henisch has written: 'Metal rectifiers'
H. K. Morse has written: 'Elizabethan pageantry'