Selected Handgun Detail

Iver Johnson-Orig
Model 55A
Iver Johnson-Orig Revolver 55A .22 LR Variant-1
Scale To:
Gun Dimensions Width:No Data
Length:9.25-in Height:No Data
Barrel:4.5-in Weight:28.5-oz
1 Variant
Gun Rankings
  • Power Factor (40 grain bullet)39600
  • Recoil Factor (40 grain bullet)0.41 ft-lb
  • Total Capacity8 rounds
  • ConcealabilityFair
  • Defense Factor27%
Gun Specifications
Produced:1961 - 1979
Caliber:.22 LR
Action:revolving chamber
Trigger:double-action (DA/SA)
Frame:blued finish steel
Grip:brown plastic
Sights:fixed blade and notch
Iver Johnson's Arms, Inc.
More Info
Gun Value
MSRP:$55.00Used Est:$195.00
Last Update:4/25/2023
About the Gun

Large frame double-action revolver with loading gate, pull-pin cylinder release.

Cartridge Specifications
Cartridge: .22 LR
Alias: .22 Long Rifle
More Info
Ballistics for This Gun
Selected Bullet Mass:40 grains
MV:990 ft/sec ME:87 ft-lbs
About the Cartridge

The Stevens Arms Co. developed the .22 Long Rifle rimfire cartridge from the .22 Long cartridge case developed 16 years earlier, with a 40 grain round nose bullet loaded to a higher velocity than the older 29 grain .22 Long bullet. Modern .22 Long Rifle High Velocity cartridges drive a 40 grain copper-plated bullet at a muzzle velocity of 1255 fps and muzzle energy of 140 ft-lbs from a rifle barrel. This rimfire cartridge has become the most popular sporting and target shooting cartridge in the world.

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