Lahti-Saloranta was the first light machine gun made in Finland designated as Pikakivääri or "quick rifle" in direct translation, where as post war light-machine guns in intermediate rifle cartiges are actually only called as Kevyt konekivääri, "light machinegun"
Of short recoil operation, they werent particulary good weapons, with too strict tolerances to accept any sort of field wear and alledged storage grease proplems made them mailfunction quite often, but Still they remained in the mobilisation inventory untill 1980s, mostly becouse of lack of anything better.
Experimental light machine gun from Aimo Lahti, in gas-piston operation offering superior qualities compared to the Lahti-Saloranta LMG. The Finnish high command however had suspicions over gas operation and wanted a belt-fed GP machine gun, so the design never got adopted, despite in afterthought would have been wery much needed during WWII
L-41 Sampo was First (and sofar only) General purpose Machine gun manufactured in Finland, as Aimo Lahti design for a gas operated weapon that was produced in Small preproduction test run during WWII, and itially shelved becouse of attempt to begun MG-42 production and eventually by the end of the war in 1944. Still quite heavy gun, development was discontinued in the post war era.