New to HK and just bought my Dream Rifle HK91 and have seen several different types of Bayonet lug styles
what do they fit as neither #1 or #2 fit my 91
#1 AR15 or Nato Lug?
#2 Large HK Lug
#3 Small Lug
Thanks for looking
WTK: Info in HK bayo versions-college.jpg