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TriggerShims
Winchester Rifle Shims

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We Manufacture the Widest Selection of Gun Shims to be Found Anywhere on the Planet

100% American Family Owned

Shively Sales - Manufacturer of
TriggerShims Brand
Gun Shims
in
Michigan Center, Michigan

"Better to be poor and honest than to be dishonest and rich." Proverbs 28:6

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America's Largest Gun Shim Company Since 2008

Win~HTL

Winchester Lever Action 94 Shims

Winchester Model 94 Lever Action
Front Link, Lever, Trigger and Hammer Shims

Fits Original Models Made BEFORE 1978 - See Notes Below for 1978 and AFTER

Shims for:

• Hammer - .189" X .368"
• Finger Lever - .189" X .368"
  (photo right) Great When Adding a Loop Lever
• Front Link Shims - .189" X 293"
• Trigger - .126" X .243"

Regular Assortment - 2 each Lever, Hammer, Front Link and Trigger Shims as follows:

• 8 Piece Kit comes with .003" Shims
• 16 Piece Kit comes with .003" and .005" Shims
• 24 Piece Kit comes with .002", .003" and .005"
• 32 Piece Kit comes with .002", .003", .005": and .007"
  

Each Shim is Available in .002" - .009" - You Can Choose Your Assortment

• Hammer Shim - .189" X .368"
• Lever Shim - .189" X .368"
• Front Link Shim - .189" X 293"
• Trigger Shim - .126" X .243"

Make your selection of quantity and then list style, thickness.

Note: Older Model 94's use the same diameter shim for Finger Lever and Hammer

1978 and up use different shim for the Hammer

Make Sure You Specify 1978 or newer, otherwise Original Model Shims will be sent

Add all shims together for quantity discount

Item# Win~HTL Includes Free U.S. Postage

Winchester 94 L/H/T Shim Kit

8 Pak Kit $12.50 USD 16 Pak Kit $20.00 USD 24 Pak Kit $25.00 USD 32 Pak Kit $31.00 USD 2 Pak $6.00 USD 4 Shims $9.00 USD 6 Shims $11.00 USD 50 Pak Any Shim $45.00 USD

Choose Assortment Shim Pak

Our Standard Assortment OTHER - You Specify

Enter Choice / Request Below

👉Link To: ADD USPS TRACKING UPGRADE with SHIPPING PROTECTION

Note: Models made 1978 and up use a .245" bushing in the Hammer, and use a larger Hammer Shim ~ .251" X .419"
If you have a 1978 and up, please add in comments box and we will give you the proper size Hammer Shims

Winchester Model 94 Disassembly at CastBullet.com

Win~75BS

Winchester Model 69A ~ 75S Bolt Shims

Winchester Model 69A and 75S Bolt Shims

Bolt Shims for 1950’s Vintage Winchester 75 Sporter
made between 1938-1958

Also Fits Winchester 69A
made between 1935 and 1963

Shim Size .450" X .565"

How does a Bolt Shim work?
The actual head space is in the recessed face of the bolt. Shimming between the two bolt halves ensures the bolt is up tight against the breech. If the bolt is not up tight against the breech it tends to cause misfires and light strikes.

When the bolt action rifle’s bolt locking surfaces become worn increases in the headspace can cause light firing pin strikes, poor ignition (misfires), looseness of the bolt, and loss of accuracy. Excessive headspace causes the bolt to feel loose.
Also Used for Adjusting after Re-Barreling

If you are getting misfires and light strikes shimming the bolt is a good way to solve it.

TriggerShims Winchester 75S Bolt Shim

Item # Win~75BS 450 X 565

Includes Free U.S. Postage

👉Link To: ADD USPS TRACKING UPGRADE with SHIPPING PROTECTION

👉Link To: INTERNATIONAL TERMS / POSTAGE

Win~52BS

Winchester Model 52 Target Rifle Bolt Shims

Winchester Model 52 and Model 43 .22-Caliber Bolt Shims

SUHL East German MODEL 150 .22 Target Rifle

Bolt Shims for Winchester Model 52 Target Sporter made between 1920-1980

Also Fits Winchester Model 43

Also Fits SUHL East German MODEL 150 .22 Target Rifle

Also Fits Winchester Variants ~ Sporting Model and International Match

Shim Size .511" X .648"

How does a Bolt Shim work?
The actual head space is in the recessed face of the bolt. Shimming between the two bolt halves ensures the bolt is up tight against the breech. If the bolt is not up tight against the breech it tends to cause misfires and light strikes.

When the bolt action rifle’s bolt locking surfaces become worn increases in the headspace can cause light firing pin strikes, poor ignition (misfires), looseness of the bolt, and loss of accuracy. Excessive headspace causes the bolt to feel loose.
Also Used for Adjusting after Re-Barreling

If you are getting misfires and light strikes or are chasing accuracy, shimming the bolt may be a good way to solve it.

TriggerShims Winchester Model 52 Target Bolt Shim

Fits Winchester 52 / 43 and Suhl 150

Item# Win~52BS ~ (.511" X .648")

Includes Free U.S. Postage

👉Link To: ADD USPS TRACKING UPGRADE with SHIPPING PROTECTION

👉Link To: INTERNATIONAL TERMS / POSTAGE

Bolt Shim Instructions

Bolt Shim Instructions

LANCE'S TECH TIP:
Rimfire Bolt Shim Installation
~ A General Guide ~

Rimmed Cartridges use the thickness of the cartridge rim for head-spacing.
.22 Rimfire Cartridges Headspace on the Case Rim.
The Actual Headspace is in the Recessed Face of the Bolt.
You Must Make Sure this Recessed Bolt Face is Equal To or Deeper Than You Rim for Safety
Generally Speaking there is extra room left in production guns between the Bolt and Breech to accommodate a wide variety of ammunition with varying rim thicknesses
You should first measure the depth of your bolt face pocket to insure it meets SAAMI Headspace minimum depth.
Shimming between the two bolt halves ensures the bolt is seating the cartridge up gently against the breech with your chosen brand of ammunition.
You can use our color coded numbered shims like a gauge to find the when the bolt face touches the barrel breech face, and then calculate where you want to be with your bolt headspace depth and rim thickness measurements.
I cannot tell you which shim best works with your rifle, you decide that yourself by fitting and feel and by shooting.
Installing Bolt Shims requires fitting by hand, and checking with the Bolt installed in the Rifle, and Locked Down - you do not measure with the Bolt out of the Rifle.
To establish the Bolt/Breech fit, shims are installed and fitted on an empty chamber.
If possible it may give you a better feel if you leave the extractors off some rifles while fitting shims.
Start with a 4 or 5 Pak of shims, install the .0015" or .002" thinnest shim and see how your bolt closes, if it seems to close as normal, then continue to install each thicker shim until the bolt starts to close harder than normal. At the point where your bolt begins to close hard, that was the amount of slack that was in your bolt, measured by whatever shim or shims combined were needed to bring the bolt up tight to the breech. Now it is best to remove that shim, and step back one number, example would be if a .005" Red shim causes the bolt handle to close harder than normal, then take it out and install a .004" Purple.
If you have to force or put undue stress on your bolt to close it, you should reduce the number of shims. You will generally only use 1 of the 4 or 5 shims in the package, but you can stack shims together if needed. When you have the correct shim installed, your bolt should close normally or just (ever-so) slightly tighter than normal. If the bolt closes slightly tight, it is best to back up one step, remove .001"
Put a very small drop of oil on the shim. Now you can go to the range and with the barrel pointed in a safe direction, once again check fit with your favorite ammo.
Due to variations in rim thickness, you may have to reduce the thickness of shims, remember you have already removed all the excess headspace from the bolt/breech, so now the only thing to do is remove thickness (shims) if / as needed to get to your sweet spot or required headspace for the rim thickness of your favorite cartridge.
For Longest Shim Life use a drop of oil or a (very small amount of) grease on your shim.
If you have to force or put undue stress on your bolt to close it, you should reduce the number of shims. A minimum of clearance should be maintained, while maintaining proper headspace. Do not put undue stress on the bolt by shimming too tightly as it is unnecessary!
At no time do you want to force the bolt to close, did I explain that clearly?
If you have any question, use a headspace gauge to check for proper headspace.
Bolt Shims have in many instances cured light strikes. Will they help with Accuracy? Don't take my word for it, Read our Customer Reviews or ask our Customers
Simply Chambering More Consistently Yields More Consistent Results.
Your Satisfaction is Guaranteed, if you feel you receive no benefit you may send your shims back for a Full Refund.

TriggerShims Bolt Shim Instructions Copyright June/2023

Click Here for ~ Everything You Need To Know About Headspace from Kurt the Gunsmith

V1/2025

Rimfire Rifle Bolt Shim Index

BoltShim-INDEX 9/24

Our Ever Expanding Selection of Rimfire Rifle Bolt Shims

Links to Our List of .22 Rifle Bolt and Barrel Shims

1. Anschutz 54 ~ Now In Stock!
   
2. Bergara B-14R Rimfire Bolt Shims
   
3. CZ and BRNO Rimfire Bolt Shims
   
4. CZ 457 Rimfire Bolt Shims
   
5. Kimber 82G Target Rifle Bolt Shims
   
6. Lithgow LA 101 and SA 2020 Rimfire
   
7. Marlin 80 / 983 Rimfire Bolt Shims
   
8. Mossberg 44 U.S. Bolt
   
9. Mossberg 144 LSB Bolt
   
10. Remington 5 Bolt Shims
    
11. Remington 40X Bolt Shims
    
12. Remington 504T Bolt Shims
    
13. Remington 513T / 521T Rimfire Rifle
    
14. Remington 540X Bolt Shims
    
15. Ruger American Rimfire Bolt Shims
    
16. Ruger 77/17 77/22 Bolt Shims
    
17. Savage BMag Bolt Shims
    
18. Savage MKII Bolt Shims - Prototype
    
19. Springfield Armory Model 2020 Rimfire
    
20. Suhl 150 Rimfire Rifle
    
21. Tikka T1x and Sako P72 / M78 Rimfire Rifle / Walther KK300
    
22. Walther KK500 Rimfire Bolt Shims
    
23. Winchester 43 and 52 Bolt Shims
    
24. Winchester 69 and 75 Bolt Shims
    

~ Barrel Shims ~

25. CZ 455/457 Barrel Shims
    
26. CZ 455/457 XL Barrel Shims
    
27. 10/22 Barrel Shims
    
28. 2500X and Trident Barrel Shims
    
29. 3/4" Shank Bull Barrel Shims
    

NOTE: email me to be put on a list to Request a New Bolt Shim ~ Send Lance an Email ~

Unsolicited Testimonial:
Just a friendly note on the bolt shims I purchased and installed. My 5 shot group went from dime size at 50 yds to everyone touching and not being able to count individual holes.
Thank You for a Great Product ~ Riley in WV

Unsolicited Testimonial:
Lance, I simply wanted to say thank you for providing Bolt Shims. My first one installed was on my Bergara B-14 22 Trainer. I won the club season matches in 2022. It's more accurate now than my winning season. After seeing an improvement, in an already accurate rifle, I've shimmed my Bergara Shooting Rimfire barreled action, two CZ 457, my 2020 Springfield, and my my 54 Annie. The Anschutz allowed for 5th place in the IR 50/50 factory class last year. I shimmed it yesterday. The common fliers were less frequent and overall consistency was improved. A noticeable improvement was seen in all the rifles.
Thanks again for offering a great product ~ Rob in NC

Win~MIR/L

Original Winchester 1873 Finger Lever Shims

Also Fits: Winchester Miroku 1873 Finger Lever

Winchester and (Miroku) 1873 Finger Lever Shims

(.198" X .499") Available .002" through .010"

Item # Win~MIR/L - Includes Free U.S. Postage

198X499 Miruko Win 1873 Finger Lever Shim

2 Pak $6.00 USD 4 Pak $9.00 USD 6 Pak $11.00 USD 8 Pak $12.50 USD 12 Pak $18.00 USD 24 Pak $25.00 USD 30 Pak $29.00 USD 50 Pak $45.00 USD

Choose Assortment Shim Pak

Our Standard Assortment OTHER ~ You Specify

Enter Choice / Request Below

Win~MIR/H

Winchester Miroku 1873 Shims

Winchester Miroku 1873 Hammer Shims

Winchester M73 Miroku Hammer Shim

(.198" X .401") Available .002" through .010"

Item # Win~MIR/H - Includes Free U.S. Postage

198X401 Miruko Win 1873 Hammer Shims

2 Pak $6.00 USD 4 Pak $9.00 USD 6 Pak $11.00 USD 8 Pak $12.50 USD 12 Pak $18.00 USD 24 Pak $25.00 USD 30 Pak $29.00 USD 50 Pak Your Choice $45.00 USD

Choose Assortment Shim Pak

Our Standard Assortment OTHER ~ You Specify

Enter Choice / Request Below

Win~32739

Winchester Model 94 Reduced Power Hammer Spring Pak

Hammer Spring Pak Winchester 94 Lever Action Rifles (coil-type)

For the improve trigger function and letoff.
13 and 15 pound Reduced Power Spring allows the shooter a choice trigger improvement.
The factory hammer spring is rated at 18 pounds.
Please Note: Springs not for use in models with flat-type mainspring.

Wolff 32739 $17.95 Free Shipping ~ USA Only

Win~MagSpring

Wolff Tubular Magazine Spring

Wolff tubular magazine springs for rifles and shotguns are for general purpose repairs.
These springs offer approximately 20% extra power over original factory springs to improve feeding.
Springs are 40" long to permit fitting to most any length magazine tube

Wolff 65064
Cartridge:

• 30-30 Winchester
• 32 Winchester Special
• 38-40 WCF

Wolff 65065
Cartridge:

• For 44/40
• 45/70
• 45/90
• Heavy .45 caliber rifles

Price Includes Free USPS Shipping USA Only

Choose Caliber

65064 $12.95 USD 65065 $12.95 USD

Special Request Notes Below

We Cheerfully accept Cash, Money Order, and Credit Cards through our Secure PayPal Check-Out

All Website Orders are Shipped the Next Business Day

I will Ship Shims to USA, Canada and International

Gun Parts Shipped to USA Only

"American Made Gun Shims" - GunShims.com - TriggerShims.com
and
TriggerShims is a Trademark
of
Shively Sales
Michigan Center, Michigan

All Material Copyright of Lance Shively
2008 ~ 2025

God Bless and Make America Great Again!

BY PURCHASING SHIVELY SALES PRODUCTS
YOU ASSUME ALL RESPONSIBILITY FOR THEIR SAFE INSTALLATION AND USAGE.
YOU RETAIN ANY AND ALL RESPONSIBILITY FOR YOUR OWN ACTIONS. Be Safe!!

If you have any questions or safety concerns, see a qualified Gunsmith.

I manage this site myself, Please Report Any Website Problems to;
Lance at Webmaster@TriggerShims.com

Republic.... I like the sound of the word. It means people can live free, talk free, go or come, buy or sell, be drunk or sober, however they choose. Some words give you a feeling. Republic is one of those words that makes me tight in the throat - the same tightness a man gets when his baby takes his first step or his first baby shaves and makes his first sound as a man. Some words can give you a feeling that makes your heart warm. Republic is one of those words. - John Wayne in the Alamo