#muzzle_loader  a firearm that is load through the muzzle
  supertype:  #firearm__piece__small-arm__smallarm  a portable gun; "he wore his firearm in a shoulder holster"
  subtype:  #arquebus__harquebus__harquebu__hackbut__hagbut  an obsolete firearm with a long barrel
  subtype:  #firelock__flintlock  a muzzle loader having a flintlock type of gunlock
  subtype:  #musket  a muzzle-loading shoulder gun with a long barrel; formerly used by infantrymen
     subtype:  #blunderbuss  a short musket of wide bore with a flared muzzle
     subtype:  #fusil  a light flintlock musket
     subtype:  #matchlock  an early style of musket; had a slow burning wick that could be lowered into a hole in the breech to ignite the charge

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