Ruger GP100 4.2" facing right

Ruger GP100 4.2"

DA/SA Full-Sized Revolver Chambered in 357 Magnum

Ruger GP100 4.2" Dimensions and Specifications


  Length L Height H Width W Weight W
Ruger GP100 4.2" 9.5 in 5.7 in 1.56 in 40 oz


  Barrel BBL Trigger Manufacturer Page
Ruger GP100 4.2" 4.2 in DA/SA

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Cartridges and Ammo Capacities

  357 Magnum
Ruger GP100 4.2" 7

Side-by-Side Comparison Charts

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Tabletop Comparison

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Parts & Accessories

Choose from a selection of holsters, grips, lasers, and more

GP100 4.2"
MaxSlide OWB Holster