The K bullet had several versions like the S.m.K. which was a standard steel core armor piercing bullet with a red rim around the primer, and the s.m.K.H. which had a tungsten carbide core and a red case base.
The K bullet had several versions like the S.m.K. which was a standard steel core armor piercing bullet with a red rim around the primer, and the s.m.K.H. which had a tungsten carbide core and a red case base.