Ruger Single Action Revolver Shim & Spring Kits

Trigger, Hammer and Cylinder Shims and Shim Kits for All Ruger Single Action Revolvers (Except Bearcat) including;
New Single Six, New Blackhawk, Super Blackhawk, Maximum Blackhawk, Bisley, Vaquero, Bisley Vaquero, New Model Vaquero and XR3 Small Frame SA
We Also Have Wolff Performance Gun Spring Kits In Stock to fit Ruger Single Actions.
Our Shims and Springs also fit the New Ruger Wrangler .22 Revolver
Install a New Set of Springs in your Ruger for a Like-New Feel.

See Our Wolff Gunsprings Page
Both Old Models (OM) and New Models (NM) are below

Item # NM/H-T

Ruger Single Action New Model - RSA-NM

Hammer and Trigger Shims

Includes New Models:
Blackhawk
Super Blackhawk
Vaquero
Single Six
New Ruger Wrangler

Ruger New Model Single Action Trigger and Hammer Shim Kits are designed to work with most RSA's and Clones ~ New Model
Fits Ruger Wrangler .22 Revolvers
Also Fits Magnum Research BFR

Our Ruger NM Single Action Hammer and Trigger Shim Kits can be used to remove excess clearance found from varying factory manufacturing tolerances

Shimming your Hammer & Trigger will remove much of the Excessive Side to Side Movement from these parts, keeping them better aligned, making for a Much Smoother Consistent Feel

Shimming the Hammer will stop it from Rubbing the Frame and the Friction caused, allowing for Better and Stronger Primer Strikes, and a Lighter Hammer Spring to be installed Reducing Hammer and Trigger Pull

Our Ruger Single Action Trigger Shims will stop the Trigger from rubbing the trigger housing and reduce friction to Smooth Trigger Pull

When used in combination with Wolff Reduced Power Spring Paks, and some polishing and care, you can have the feel only Custom Firearms have

Ruger NMRSA Revolver Hammer ~ AND ~ Trigger Shims Pak

Our Hammer AND Trigger Shim Pak Assortments BELOW are as follows;

2 Pak comes in .002" ~ You Choose ~ Hammer or Trigger
4 Pak comes with 2 H&T each .003"
8 Pak comes with 2 H&T each .003", .005"
12 Pak comes with 2 H&T each .003", .005", .007"
16 Pak comes with 2 H&T each .002", .003", .005", .007"
20 Pak comes with 2 H&T each .002", .003". .004", .005" and .006"
24 Pak comes with 4 H&T each .002", .003", .005"
30 Pak RSA Shims Lances "Gunsmith Mix" has the following;
Trigger Shims - 4 X .002", 4 X .003", 4 X .004", 2 X .005"
Hammer Shims - 4 X .004", 4 X .005", 2 X 006", 4 X .007", 2 X .009"
50 Pak is Your Choice

Free Economy Shipping ~ Mail

-ORDERING INSTRUCTIONS-

Box 1 ~ Choose ANY Pak Quantity for Best Pricing

Box 2 ~Choose From Hammer AND Trigger, or Hammer Only or Trigger Only

Box 3 ~ for Special Request of Thickness or Assortment

-OR- Your Choice of Sizes, Specify When Ordering

Trigger Shim ~ 161" x .310"
Hammer Shim ~ 208" x .419"

NM RSA Shim Kit Stock #NMRSA

Lance, this is probably my 5th order. FWIW, every Ruger Blackhawk or Single Six wears your shims and I consider them part of the action job I do. I'm at least very good at doing an action job on Ruger's, but you can tell a difference when your shims are in the revolvers and when they're not. It adds that tightness I consider a good action job should have. Thanks, Dale in SC

Item # OM/H-T

Ruger Single Action Old Model - RSA-OM

Ruger Old Model Single Action Trigger and Hammer Shim Kits are designed to work with most Old Model 3 Screw RSA's and the Ruger Old Army.
This kit was Custom Made to fit Old Model 3 Screw Single Actions built from 1953 to 1973 and Ruger Old Army Revolvers.

Shimming your Hammer & Trigger will remove much of the Excessive Side to Side Movement from these parts, keeping them better aligned, making for a Much Smoother Consistent Feel

Our Ruger Single Action Trigger Shims will stop the Trigger from rubbing the trigger housing and reduce friction to Smooth Trigger Pull

When used in combination with Wolff Reduced Power Spring Paks, and some polishing and care, you can have the feel only Custom Firearms have

Ruger OM RSA Revolver Hammer ~ AND ~ Trigger Shims Pak

Free Economy Shipping ~ Mail

-ORDERING INSTRUCTIONS-

Box 1 ~ Choose ANY Pak Quantity for Best Pricing

Box 2 ~Choose From Hammer AND Trigger, or Hammer Only or Trigger Only

Box 3 ~ for Special Request of Thickness or Assortment

-OR- Your Choice of Sizes, Specify When Ordering

Trigger Shim ~ 126" x .251"
Hammer Shim ~ 221" x .419"

OLD Model RSA Shim Kit Stock #OMRSA

BOX~RSA/CYL

R.S.A.
Ruger Single Action Revolver
Cylinder Shims
Cylinder Gas Ring Shims
Cylinder End Shake Bearings

RSA - New and Old Model - Ruger Single Action
Revolver Cylinder Shims

These Shims are used on the Cylinder to Remove Excessive Endshake
Ruger Single Action Cylinder Shims install at the front of the cylinder between the cylinder and frame, and are held in place by inserting the cylinder pin

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TECH NOTES: Single Action Cylinder Shims

Cylinder Shims are nothing more than very thin washers, when installed they will limit the endshake or cylinder hammering.
They are loose, inserted between the cylinder and frame and are held with the cylinder pin.
When you remove the cylinder, they too come out, and you have to re-install them each time, you will have to keep track of them when you disassemble for cleaning. Best to find what thickness you need, and order that size so you don't have a stack of shims to keep track of

All Our Revolver Cylinder / Crane / Yoke Shims

Our Standard Cylinder / Crane / Yoke Shim Pak Assortments BELOW are as follows;

2 Pak comes in .002"
4 Pak comes with 2 each .002" and .003"
6 Pak comes with 2 each .002", .003" and .004"
8 Pak comes with 2 each .002", .003", .004" and .005"
12 Pak comes with 4 each .002", .003", .004"
20 Pak comes with 4 each .002", .003". .004", .005" and .006"
24 Pak comes with 6 each .002", .003", .004" and .005"
30 Pak Gunsmith Special Assortment comes with 6 each .002", .003", .004", .005" and .006"
50 Pak Your Assortment
-OR-
Choose ANY Pak and Specify Your Requested Thickness in Comment Box

All Shim Paks Include Free Economy Shipping ~ Mail

Item # RSA-CylSm

Small Ruger Single Action Revolver Cylinder Shims

fits Ruger Blackhawk and Others
Fits Ruger Old Army
Fits Ruger Wrangler
Also fits Freedom Arms 83 Series Revolvers

These Shims will fit many models of Single Action Revolvers with 1/4" Base Pins and Gas Rings 3/8" and Larger

Shim Size .251"X .376"

Free Economy Shipping ~ Mail

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Item # RSA-CylLg

Large Ruger Single Action Cylinder Shims

fits Ruger Super Blackhawk and Others
Also Fits: Uberti Cattleman .357 Magnum
Ruger Single Six
Ruger Old Vaquero

These Shims will fit many models of Single Action Revolvers with 1/4" Base Pins and Gas Rings .420" and Larger

Shim Size .251"X .420"

Free Economy Shipping ~ Mail

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Item # Bearcat-Cyl

Bearcat Single Action Cylinder Shims

fits Ruger Bearcat

Cylinder Shims in Rimfire Revolvers can help with Light Strikes caused by Excessive Endshake

These are like other Ruger Single Action Cylinder Shims, and install at the front of the cylinder between the cylinder and frame, and are held in place by the cylinder pin

Nominal O.D. of .337" X I.D. of .198"

Free Economy Shipping ~ Mail

New for 2023

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BOX~RSA

Ruger Single Action Revolver
Wolff Gunsprings

See Our Gun-Guides Page for a Disassembly Guide

See Our Ruger Internal Trigger Lock Gunspring info

Item # OM-Springs

BOX~30390

Ruger Single Action Old Model Shooters Pak

All Original 3 Screw Models before 1974 including Ruger Old Army

For early single actions with coil-type trigger return spring
Contains a Reduced Power Trigger Return Spring, 17 pound Reduced Power Hammer Spring and an Extra Power Base Pin Latch Spring

Wolff 30390.......$14.95 ... Free USA Shipping/Tracking ~
No Exports on this item!

TECH NOTES: Ruger Single Action New Model Shooters Paks

Ruger New Model Single Action Revolvers Spring Kits
Includes:
New Single Six, New Blackhawk, Super Blackhawk,
Maximum Blackhawk, Bisley, Vaquero 1993 - 2005 (NOT New Vaquero) and Bisley Vaquero and Ruger Wrangler
Factory Standard..: 23 Lb. (Reference Only)

(Not Old Model 3 Screw Revolvers)
(Not for Internal Hammer Lock)
This is the Large Grip Frame Kit

17101 - (40/19) has a Reduced 19 Pound Hammer Spring and a Reduced Power 40 ounce Trigger Spring
17116 - (30/17) has a Reduced 17 Pound Hammer Spring and a Reduced Power 30 ounce Trigger Spring
17102 - (40/24) has an Extra Power 24 pound Hammer Spring with a Reduced Power 40 Ounce Trigger Spring
17112 - (30/24) has an Extra Power 24 pound Hammer Spring with a Reduced Power 30 Ounce Trigger Spring

Item # NM-Springs

BOX~17101

Ruger NM Single Action Reduced Power Shooters Pak (40/19)

RSA - Reduced Power (40/19) - Contains 1 each 19 pound reduced power hammer spring, 40 ounce Wolff design reduced power trigger spring and an extra power base pin latch spring. These springs reduce and smooth out trigger pull essential for competition.

NOTE 2021: This kit will also work
in the NEW RUGER WRANGLER .22 Cal REVOLVER

Wolff 17101.......$17.95 ... Free USA Shipping/Tracking ~
No Exports on this item

BOX~17116

Ruger NM RSA Reduced Power Shooters Pak (30/17)

RSA - Reduced Power (30/17) - Contains 1 each 17 pound reduced power hammer spring, 30 ounce Wolff design reduced power trigger spring and an extra power base pin latch spring. These springs reduce and smooth out trigger pull essential for competition

Wolff 17116.......$17.95 ... Free USA Shipping/Tracking ~
No Exports on this item

BOX~17102

Ruger NM Single Action
Extra Power Shooter's Pak (40/24)

RSA - Extra Power (40/24)
Single Six, Blackhawk, Super Blackhawk,
Maximum Blackhawk, Bisley and Vaquero

This Kit Contains:
1- 24 Pound Extra Power Hammer Spring
1- Wolff Design 40 Ounce Reduced Power Trigger Spring
1- Extra Power Base Pin Latch Spring

Wolff 17102.......$17.95 ... Free USA Shipping/Tracking ~
No Exports on this item

BOX~17112

Ruger NM Single Action
Extra Power Shooter's Pak (30/24)

Single Six, Blackhawk, Super Blackhawk,
Maximum Blackhawk, Bisley and Vaquero
This Kit Contains:
1- 24 Pound Extra Power Hammer Spring
1- Wolff Design 30 Ounce Reduced Power Trigger Spring
1- Extra Power Base Pin Latch Spring

Wolff 17112.......$17.95 ... Free USA Shipping/Tracking ~
No Exports on this item

NM Vaquero Springs

TECH NOTES: Ruger New Vaquero

Two Major Variants of Vaqueros Exist

The Original Vaquero was marketed from 1993 until 2005 and was slightly larger than the Colt Single Action Army.
The New Vaquero ~ (NV) produced from 2005 to the present is closer to the dimensions of the Colt Single Action Army.

The New Vaquero has a small frame and uses the 33250 / 33251 Kit.
Check your serial number, Two Digit Prefix = Original Vaquero, Three Digit Prefix = New Vaquero

The Wolff NV 14 Pound Hammer Spring is 26 Coils and 2.9" Length
This is the smallest length RSA Hammer Spring

NV Small Frame Factory Standard Springs are 17 Lb. (Reference Only)

BOX~33250

Ruger XR-3 Small Frame / New Vaquero (NV)
and 50th Anniversary Blackhawk
Single Action Revolver Shooters Pak 30/14

Includes: New Vaquero Small Frame (NV) Series, Small XR-3 Grip Frame, and Blackhawk 50th Anniversary models

(For Large Frame guns with Internal Hammer Lock)

Reduced Power (30/14) - Contains 1 each 14 pound reduced power hammer spring, 30 ounce Wolff design reduced power trigger spring and an extra power base pin latch spring. These springs reduce and smooth out trigger pull essential for competition

Note:
Internal springs other than hammer springs are the same as standard Ruger Single Action Revolvers

Wolff 33250.......$17.95 ... Free USA Shipping/Tracking ~
No Exports on this item

BOX~33251

Ruger XR-3 Small Frame / New Vaquero (NV)
Single Action Revolver Shooters Pak 40/14

Includes: New Vaquero Small Frame (NV) Series, Small XR-3 Grip Frame, and Blackhawk 50th Anniversary models

(For Large Frame guns with Internal Hammer Lock)

Reduced Power (40/14) - Contains 1 each 14 pound reduced power hammer spring, 40 ounce Wolff design reduced power trigger spring and an extra power base pin latch spring. These springs reduce and smooth out trigger pull essential for competition

Note:
Internal springs other than hammer springs are the same as standard Ruger Single Action Revolvers

Wolff 33251 $17.95 ... Free USA Shipping/Tracking ~
No Exports on this item!

BOX~33255

Ruger New Vaquero (NV) Single Action Revolver
Hammer Spring - Reduced Power 3 Pak

Hammer Spring Pak - Reduced Power - This pak contains 1 each 14, 15 and 16 pound Reduced Power Hammer Spring allowing optimum choice for lighter and smoother hammer action.

Wolff Stock No. 33255

Wolff 33255 $15.95 ... Free USA Shipping/Tracking ~
No Exports on this item!

BOX~33914

Ruger Small Frame (NV) Hammer Spring Wolff # 33914

New Vaquero #14 Hammer Spring

A shorter Main (Hammer) Spring is used in guns with the XR3 frame
New Vaquero Small Frame (NV) Series and Blackhawk 50th Anniversary
models with XR-3 grip frame and models with internal hammer lock.

Wolff 33914 $8.95 ... Free USA Shipping/Tracking ~
No Exports on this item!

TECH TIP: Ruger Internal Trigger Lock Info

Two Variations of Hammer Springs
Other than Hammer Spring Weight,
Ruger New Model Single Action Revolvers have two different hammer spring lengths - short and long
A Shorter Main (Hammer) Spring is used in guns with the SMALL XR3 frame, AND guns with an Internal Trigger Lock
The New Vaquero's smaller frame also uses the small spring

The Approximate Over All Length of the springs for comparison is as follows;

14# spring number 33914 in the 33250 kit is 2.925"
17# spring number 17217 in the 17116 kit is 3.315"

Other than spring weight, there are only two Hammer Spring sizes - S/L
Small Frames use Small Hammer Spring (NV) Kits

Large Grip Frames - If they do not have locks;
use Standard Blackhawk / pre-05 Vaquero Springs.
Large Grip Frame with internal Trigger Locks, use Small New Vaquero Hammer Springs.

Other than Spring Weight,
Only the Hammer Spring is different, the Trigger Spring is the same
in both New Model and New Vaquero kits.

Let me tell you about my Father-in-Laws Ruger Single Six

The Trigger Pull as originally tested was inconsistent, varying from 3.75 lbs to 4.25 lbs. over the course of 6 pulls. This was a factory fresh gun with less than 100 rounds.
Using the Tear Down instructions in the Ruger Video on this page, I disassembled Dad's Ruger, installed a Wolff #17116 Reduced Power Shooters Pak and my RSA Shim Kit.
The results were very good to say the least, 6 pulls and a very consistent 2 lbs. 8 ozs.
Thats right, a nice 2 1/2 Pound Trigger Pull, with just an hour of your time, a Wolff RP Shooters Pak and a TriggerShims Brand RSA Shim kit

TECH TIP: Hammer Spring R&R Fixture

There are Several Ways to Accomplish Removing and Reinstalling the Hammer Spring, but I wanted to Show the Simplist Method Possible Here
Take a Small Block of Wood, You Could Even Use Your Bench Top, Drill a 3/16 Diameter by 3/8 Deep Hole to Anchor Your Hammer Strut, Grasp the Spring Firmly with Your Fingers and Push Down to Relive the Tension and Remove the Pin
A Thin Leather Glove Helps, as Does Working Quickly
When Reinstalling The Cross Pin, I Found that on Your First Attempt if You Just Get the Pin Half Way, That Will Allow You to Get a Better Grip, Making Installing It the Rest of the Way Eaiser.

RSA Hammer / Trigger Shims General Instructions

TECH TIP: Ruger Single Action
Hammer and Trigger Shim General Installation Instructions

These shims are sized for all Ruger Single Action Revolvers (except the Bearcat)

They will work on most RSA clones.

General Instructions Make Sure your Firearm is Unloaded! It is important that you understand the factory instructions concerning disassembly of the Ruger Single Action Revolver as installing shims will require you to remove the Back Strap and Trigger Guard from the Frame.

Hammer Shims
Our shims installed on the left side of the hammer window will end the Hammer Rubbing the left side of the Frame. The Hammer Rubbing will affect the Power of the Hammer and may account for Misfires when Lighter than Factory Hammer Spring is used. You may find there is more room than necessary between the sides of the Hammer and the inside of the Frame in the Hammer Pivot Area. We Suggest that you Measure the Space on the Left Side of the Hammer (the side the Pawl Pivots On) between the Hammer and the Frame with a Feeler Gauge. This will give you an idea of the proper amount of shims to be installed, making sure to allow some space so no binding is evident. The Left side is the only side the Large Hammer Shim will fit on some models. Installing a Shim on the Left Side will move the Hammer to the Center and should solve the problem of the Hammer Rubbing the Upper Left Side and will take out much of the side play in the Hammer. To Install; Slide the Hammer Pivot Pin to the Right just enough to allow sliding the shim in the space between the Hammer and the Frame. A small wooden pick is helpful, and the shims are easier to control with a drop of oil or grease on them to make them stick

Trigger Shims
Trigger Shims can be installed by sliding the Trigger Pivot Pin out the Right Side just far enough to slide a shim in between the Cylinder Latch and the Trigger, and making sure the shim is aligned, slide the Pivot Pin on into the Trigger, but not into the Frame, slide a shim between the Trigger and the Frame. Now Align that Shim and the Trigger Pin can be fully installed and seated . A dab of grease or oil on the shim will aid in installation, as will a small wooden pick to aid alignment. Check again to make certain there is no binding and you are ready for reassembly.

Item # RSA H/T Video Instructions

TECH TIP VIDEO: Ruger Single Action Revolver Hammer/Trigger Shim Installation

Hello Lance, The shims saved me a lot of pain on my NM Blackhawk. Along with new parts and the shims I successfully tore apart the gun, cleaned and lubricated it (got rid of the gritty action), and got it back in fine working order. Thank you for having your product available to novice DIY folk like me ~ Dean in AZ

BOX DRRSA

Ruger Single Action Disassembly and Reassembly Guide

The Disassembly and Reassembly Guide for the Ruger Single Action Revolver

Ruger® Single Action Revolvers
For your Blackhawk, Super Blackhawk, Vaquero
and Bisley Models

FEATURES:
• The only current printed manual that includes information on ALL models.
• Easy to use -- Comb binding lies open and flat on your work surface.
• 16 pages & 20+ high-resolution grayscale images.
• Cardstock cover. Bright white paper
•UPC: 400100347102

The Disassembly and Reassembly Guide ~ Ruger Single Action

Item # GG-DRSA.....$8.75 + $2.75 S&H ~ Includes Tracking

TECH TIP BLOG: Joe Berk's Blog ~ Lee .357 Magnum Dies, Cast vs Jacketed Bullets, and Crimping

Joe Berk TECH TIP BLOG: Lee .357 Magnum Dies

For the last umpteen years when loading .38 Special or .357 Magnum ammo I have been using a kluged-up three die set (a carbide resizer/decapper from Dillon, an expander die from Lee, and a seat/roll crimp die from Lee). You can use the same dies for both .38 Special and .357 Magnum; the only difference between the two cartridges is the length of the cartridge case. They use the same diameter bullets (even though it’s called a .38 Special, the bullet diameter of a .38 is actually .357 to .358 inches, just like the .357 Magnum)...Click Here to Read More at Joe Berk's Blog

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