Miroku Ultra-Hi Kentucky Percussion Pistol, .45 Caliber, 10-inch Octagonal Barrel, Brass Furniture, Japan
This Miroku-made Ultra-Hi Kentucky percussion pistol is a faithful reproduction of the classic Kentucky-pattern single-shot sidearm. It features a 10-inch octagonal steel barrel in .45 caliber (black powder only), brass furniture throughout, and scroll-style engraving on the lockplate. Manufactured in Japan by Miroku for Ultra-Hi, it carries clear factory markings and proof stamps that document its origin and configuration.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Overall Condition: Fair - Generally clean, some residue or smudges, slight corrosion.
Bore Rifling: Fair Rifling - Worn rifling, slight loss of definition.
Specific Condition Notes: The firearm is in solid shape overall, with scratches and blemishes present. The bore shows visible rust and pitting, though rifling remains present. There are spots of pitting around the nipple area.
What’s Included
- Miroku Ultra-Hi Kentucky percussion pistol (.45 caliber, black powder only)
Built as a reproduction of the traditional Kentucky pistol, this single-shot uses percussion cap ignition with an external hammer and a single trigger. It incorporates an integral bolster breech (no clean‑out screw), consistent with period-style muzzleloading design.
The 10-inch octagonal steel barrel is marked ".45 CAL. BLACK POWDER ONLY" and pairs with fixed iron sights: a dovetailed front blade and a fixed rear notch. Capacity is one round.
Brass furniture includes the trigger guard, nose cap, two ramrod thimbles, a serpentine right-side plate, and oval escutcheons. A hardwood, one-piece stock with a Kentucky-style grip completes the traditional profile. Scroll-style engraving on the lockplate adds a tasteful period touch.
Factory markings read "MFG. FOR ULTRA-HI BY MIROKU JAPAN" and "PROOF TESTED" with a small circular crest, alongside the caliber/barrel notation. Made in Japan by Miroku for Ultra-Hi, this example is a clearly marked reproduction with features aligned to the classic Kentucky pattern.