Gun Report

Ruger GP100 No. KGP161 357 Magnum

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Tagged initially for a sticky ejector rod, the GP100 was at its best firing the hottest magnum loads.

Ruger GP100 No. KGP161 357 Magnum

Gun Details

Model Name
Model Number
Home Defense
Law Enforcement
Caliber Plus Cartridge
Weight Unloaded
Overall Length
Barrel Length
Sight Radius
Overall Height
Front Strap Height
Back Strap Height
Maximum Width
Grip Thickness Max
Grip Circumference Max
Frame Material
Barrel Material
Grip Material
Trigger Pull Single
Trigger Pull Double
Trigger Span Single
Trigger Span Double

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The GP100 (left) utilized a detent in the crane, a recess in the breech face to locate the center pin, and a taller locking lug with which to hold the cylinder in check.
The Ruger front sight was pressed in from the side and pinned from the front. Note the steep recess to the barrel crown.
Rear-sight adjustment screws required two different-sized screwdrivers. The windage screw was much smaller than the elevation screw, but both were click adjustable. Contrary to most other units, turning the windage screw to the right (clockwise) moved point of impact left.

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