Using chambers cut off 12 ga. scrap barrels and a new $10 bbl for an Italian auto shotgun, the only other gun part is a scrapped hammer from a 1857 Remington perc revolver: Loads like a SAA Colt but underlever rotates and cocks it. Blow-by is negligible, hardly noticeable with normal shirt sleeve. Opened for some still shots, at top of the inside pix screwed in is the firing pin, impact type with return spring. The ratchet or star with the hand is visible below on the left side, also the pawl that cocks the hammer. The cylinder indexing lock...
