Ballistic crossword puzzle

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Across
  1. 3. connecting pivot between the frame and the cylinder of revolvers
  2. 5. those firearms that propels projectiles more than one inch in distance
  3. 6. it is a widened hole at the breech end of the barrel
  4. 8. it is a long tube, it may be smooth as in shotgun or with spiral grooves
  5. 9. that part of the cartridge case which support the neck of the cartridge
  6. 12. having a rifling only few inch from its muzzle points
  7. 15. a long tube which initiates the path of the projectile
  8. 18. gun- with a rifled barrel firing ammunition and capable of fully automatic fire
  9. 19. is that mixture of chemicals of various compositions designed to propel the projectile
  10. 20. failure to the cartridge to explode after firing pin strikes
Down
  1. 1. long shot
  2. 2. it is an ancient smooth bore and muzzle loading
  3. 4. portion of the cartridge case that is bent inward to hold the shot in a place
  4. 6. not longer than 22 inches, it fires a single projectile
  5. 7. a smooth bore and breech loading arm designed to a fire a number of lead pellets
  6. 10. the firing pin will hit the primer but delay to explode
  7. 11. short shot
  8. 13. gun- the world first genuinely effective rapid fire
  9. 14. general term of any chemical compound or mixture use in firearm
  10. 16. - is a mechanism that actuates the firing of firearms
  11. 17. the collective term for the chemical primer compound