Time to pick some brains...
What would be the longest produced firearm of any given design? I’ll break it down into a couple parts:
Longest serving rifle, pistol and shotgun used continuously by a major military without massive design changes?
Longest produced commercial rifle pistol and shotgun continuously available in mostly its original form?
What would be the longest produced firearm of any given design? I’ll break it down into a couple parts:
Longest serving rifle, pistol and shotgun used continuously by a major military without massive design changes?
Longest produced commercial rifle pistol and shotgun continuously available in mostly its original form?