FN Herstal KSP 58 Complete Specs and Full Gun Specifications

Ksp 58 exists with both 6.5 mm barrels and 7.62 mm barrels. The first type of gas regulator was original FN type. Later the FN type of gasregulator was improved and the type B regulator was installed first on all FN made Ksp 58 (serial number below 3 000). All 7.62 mm barrels are equipped with gas regulator B.