Ruger SP101 .357 Magnum Revolver

© Brooke Clarke 2010

Laser Sight
Fig 1 Left
Ruger SP101
Fig 2 Right
Ruger SP101
Fig 3 Front


12 June 2010 heard lion on my property.  22 June 2010 a neighbor saw the lion, about the size of a German Shepherd across the street from my house.
Farrah Fawcett got her job doing the Cougar commercial because the prior model was laying on the ground and was mauled by the Cougar.  At HP (Agilent) in Santa Rosa they said if you were walking on the ring trail and saw a lion the thing to do is raise your arms (and bring along a shirt or coat to fill in the space between) to make yourself look taller.  The idea is that when you're below a big cat you're fair game.

This is the Sturm, Ruger & Co. SP101 (Wiki) frame in 0.357 Magnum caliber.  It has a built-in laser sight activated by the button just below the trigger guard.


The revolver cylinder is 1.57" long

Name Length
.357 Mgnum 158
                grain Soft Point R357M3
.357 Mgnum 158 grain Soft Point Reminton R357M3
38 Special Shot
                Shell CCI 3709
38 Special Shot Shell CCI 3709
38 Blank
22LR adapter to 38 Special or 357 Mag
Let me know where to get this sub caliber adapter
Potential problem with location of firing pin and rim of .22
38 Laser Boresighter
38 Laser Boresighter

38 Laser Boresighter

Laser Sight

The revolver came with the Crimson Trace LG-303 Laser Grips.
The LG-303 has a place for your pinky finger, but the LG-111 does not.
The small hole shown in Fig 2 is the windage adjustment and on top there's an elevation adjustment.  The bag of materials from Crimson Trace includes a number of Allan wrenches.  You can see the front of the 5 mw laser in Fig 3 front view above.


40mm Gernades & Related
AN-M8 Pyrotechnic Flare Pistol & Gyrojet & Sedgley Mk IV & Mk 5
China Lake Patents: Proximity Fuzes, Sidewinder, Shrike, &Etc.
Daisy BB Rifle
FN FAL ".308 Match" Rifle
Hammerlli M150 Free Pistol
Semi-automatic Weapons - Thompson
Survival Kit with Pocket Pen Gun flare launcher



3628278 Revolver Cylinder Crane Latch Mechanism, William B. Ruger (Sturm Ruger), Dec 21, 1971, 42/62 ; 42/65; 42/66
573736 Safety Device for Revolvers, D.B & J.H. Wesson, Dec 22 1896,
3221433 Firearm Crane and Trigger Construction, K.R. Lewis, Dec 7 1965, 42/62 ; 42/65; 42/69.01
3387399 Revolver using changeable cylinders, S. Waiser, Sep 20 1988, 42/59 ; 42/66; 42/68; 42/89
3683536 Revolver Crane, Harry Sefried (Sturm Ruger), Aug 15 1972, 42/62
3685193 Revolver Cylinder Retaining Means, Harry Sefried (Sturm Ruger), Aug 22 1972, 42/62 ; 42/59
3813804 Revolver Crane Latch, William B. Ruger (Sturm Ruger), Jun 4 1974, 42/62 ; 42/59
3838533 Hammer Deactivator Means, William B. Ruger (Sturm Ruger), Oct 1 1974, 42/70.08 ; 42/66
4206560 Long stroke ejector for a revolver, Harry H. Sefried (Sturm Ruger), Jun 10, 1980, 42/68
4307530 Cylinder Latch Mechanism for Revolvers, Roy L. Melcher, (Sturm Ruger),Dec 29 1981, 42/67

Crimson Trace

5435091 Handgun sighting device, R.L. Toole, L.A. Danielson (Crimson Trace), Jun 25 1995, 42/117 ; 362/114
7260910 Laser gunsight system for a firearm handgrip, Lewis Danielson (Crimson Trace), Aug 28, 2007, 42/117 ; 362/114; 42/114

Misc Pistol

1980874 Quick-firing pistol, Josef Nickl, Mauser Werke Ag, Nov 13, 1934,89/138, 89/141, 42/50, 89/149 -  Mauser Broom Handle machine pistol
2058746 Quick-firing pistol, Karl Westinger, Mauser Werke Ag, Oct 27, 1936, 89/141, 292/62, 89/149 - Mauser Broom Handle


Is There a Right to Own a Gun? by Michael Huemer
“The Irrationality of Politics” by Michael Huemer
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