.65 caliber. 5.5" octagon to round barrel. NSN. Gunmetal (brass alloy) construction, steel mountings, hardwood grip. Single shot muzzleloading smoothbore flintlock pistol with box lock action and sliding pan locking safety on top of frame. Lightly engraved flat reinforced cock. Reverse of frame lightly engraved with rudimentary trophies of arms and the name TWIGG and obverse of frame engraved in a similar fashion and LONDON. Bottom of barrel with London gunmaker's proofs. A brass tipped wooden ramrod is secured to the left side of the barrel and frame. John Twigg worked in London as a gunmaker circa 1755 to 1790.