GUIDE TO IDENTIFYING YOUR MANHATTAN PERCUSSION FIREARM
manhattanfirearms.com
Model: Navy Revolver, Series I
Caliber: .36 Caliber
Barrel Length(s): 4", 4.5" (rare), 5", 6" (rare) and
6 1/2"(shown)
Serial Number Range: approx. 1 to 4200
Features: 5-shot; 1 line barrel address
"MANHATTAN FIRE ARMS MF'G. CO. NEW YORK"
Manufacturing date: Early 1859 to January 1860
Model: Navy Revolver, Series II
Caliber: .36 Caliber
Barrel Length(s): 4", 4.5" (rare), 5"(shown), and 6 1/2"
Serial Number Range: approx. 4200 to 14,500
Features: 5-shot; 1 line barrel address
"MANHATTAN FIRE ARMS MF'G. CO. NEW YORK",
Added 1859 patent date on cylinder.
Manufacturing date: January 1860 to September 1861
Model: Navy Revolver, Series III
Caliber: .36 Caliber
Barrel Length(s): 4"(shown), 4.5" (rare), 5", and 6 1/2"
Serial Number Range: approx. 14,500 to 45,200
Features: 5-shot; 1859 patent date on cylinder; 1 line
barrel address:
"MANHATTAN FIRE ARMS CO. NEWARK N.J."
Manufacturing date: September 1861 to April 1864
Model: Navy Revolver, Series IV
Caliber: .36 Caliber
Barrel Length(s): 4", 4,5" (rare), 5" and 6 1/2"(shown)
Serial Number Range: approx. 45,200 to 69,200
Features: 5-shot; 2 line barrel address:
"MANHATTAN FIRE ARMS CO. NEWARK N.J."
      “PATENTED MARCH 8, 1864"
Manufacturing date: April 1864 to June 1867
Model: Navy Revolver, Series V
Caliber: .36 Caliber
Barrel Length(s): 4"(shown), 4.5" (rare) and 6 1/2"
Serial Number Range: approx. 1 to 9,000
Features: 6-shot; 2 line barrel address:
"MANHATTAN FIRE ARMS CO. NEWARK N.J."
     “PATENTED MARCH 8, 1864"
added tapered loading lever as standard.
Manufacturing date: June 1867 to December 1868
Model: Pocket Model, Series I
Caliber: .31 Caliber
Barrel Length(s): 4"(shown),5" and 6"
Serial Number Range: approx. 1 to 1,000
Features: 5-shot, 2 line barrel address:
"MANHATTAN FIRE ARMS"
"MANUFG. CO. NEW YORK"
Manufacturing date: early 1858 to January 30, 1860
Model: Pocket Model, Series II
Caliber: .31 Caliber
Barrel Length(s): 4"(shown), 5" and 6"
Features: 6-shot. 1 line barrel address:
"MANHATTAN FIRE ARMS MF'G. CO. NEW YORK"
Manufacturing date: February,1860 to December,1862
Model: London Pistol Company Pocket
Caliber: .31 Caliber
Barrel Length(s):  4", 5" and 6"(shown)
Serial Number Range: Same range as Pocket Models
Features: 2nd quality Pocket models marked with 1 line
"LONDON PISTOL COMPANY" barrel address.
Manufacturing date: early 1858 to December,1862
Model: 3-Shot percussion Pepperboxes
Caliber: .28 Caliber
Barrel Length(s): 3"
Serial Number Range: approx. 1 to under 1,000
Features: Hand rotated barrels.  Hammer Address:
"Manhattan F.A. Mfg. Co. New York"
Manufacturing date: around 1856 to 1859
Model: 5-Shot percussion Pepperboxes
Caliber: .28 Caliber
Barrel Length(s): 3"
Serial Number Range: approx. 1 to under 1,000
Features: Double Action.  Hammer Address:
"Manhattan F.A. Mfg. Co. New York"
Manufacturing date: around 1856 to 1859
Model: 6-Shot percussion Pepperboxes
Caliber: .28 Caliber
Barrel Length(s): 3",4"(shown) and 5"
Serial Number Range: approx. 1 to under 1,000
Features: Double Action. Hammer Address:
"Manhattan F.A. Mfg. Co. New York"
(Early Serial Numbers have address on Barrel)
Manufacturing date: around 1856 to 1859
Model: Shotgun Hammer Percussion Singleshot Pistol
Caliber: .36 Caliber
Barrel Length(s): 5" and 6"(shown)
Serial Number Range:  under 500
Features: sometimes called a "boot pistol". Address:
"Manhattan F.A. Mfg. Co. New York"
Manufacturing date: around 1856 to 1859
Model:  Bar Hammer Percussion Singleshot Pistol
Caliber: .31 (some smoothbore), .34 and .36 Calibers
Barrel Length(s): Various
Serial Number Range:  under 1,500
Features: Wide variations in sizes. Hammer Address:
"Manhattan F.A. Mfg. Co. New York"
Manufacturing date: around 1856 to 1859
Model: "Hero" Percussion Singleshot "boot pistol"
Caliber: .34 Caliber
Barrel Length(s): 2" (shown), 3", and 4"
Serial Number Range: approx. 10,000+ made by
Manhattan and 37,000+ made by American Standard Tool.
Features: Some have no serial numbers. When present
serial numbers are located under the grips. All are marked
"Hero" and some have "MFA Co." or "AST Co." additional
markings on the frame.
Go to my pictorial index and see the page on the "Hero"
Manufacturing date: 1868 until company close in 1873

.22 cartridge revolvers are on the next page marked
"Guide to Cartridge".