TriggerShims.Com

TriggerShims
Lithgow Arms LA101 Crossover

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Gun Shims
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Since 2008
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We Manufacture the Widest Selection of Gun Shims to be Found Anywhere on the Planet

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

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Lithgow LA 101 CrossOver

LA 101 CrossOver


BOX~LA101

Bolt Shims for Australian Lithgow LA101

Springfield Armory Model 2020

Lithgow LA101 Crossover Bolt Shims
Also for Springfield Armory Model 2020 Rimfire Rifle

LA101 Bolt Shims .595" X .690" Now In Stock

Lithgow LA101 Crossover Bolt Shims

LA101’s action is its rear-locking design, featuring three hardened lugs. This design makes for an incredibly smooth-feeding rifle, a shorter bolt throw and a safer and more reliable firearm.

How does a Rimfire 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 snug against the breech. If the bolt has excessive clearance at the breech it can to cause misfires and light strikes, or simply inconsistent accuracy. When a Production Rifle is assembled, a bit of extra room or excess tolerance can be left, and this slight variable can affect accuracy. 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.

Factory fitting of the barrel into the receiver can also leave excess clearance between the bolt and breech. Shims can also used for adjusting after Re-Barreling If you are getting misfires and light strikes shimming the bolt may be a good way to solve it.

These are the Original TriggerShims Brand Lithgow LA101 Crossover Rifle Bolt Shims
A 4 Pak should do most any gun, Order multiple Paks for Multiple Guns and Save $$

TriggerShims Bolt Shims come in the following assortments, Buy Multiple Paks and Save $

NEW 5 Piece Kits ~ Include .0015" Shims for Finer Adjustment

  • 4 Pak Assortment - $11 includes 1 each .002", .003", .004" and .005"
  • 5 Pak Assortment - $14 includes 1 each .0015", .002", .003", .004" and .005"
  • Use Drop-Down V and Buy 2X Double or 3X Triple Pak and Save $
  • 2 Shim Pak - $7.50  *Specify your size in Box Below .0015" or .002" - .007"
  • You can Request Your Own Assortment Thicknesses In Box Below
  • Includes Free ~ First Class Mail Economy Shipping

TriggerShims was asked by Ray, an Indiana Shooter to make shims for this bolt, and we have listened.
Used as a measuring device and an adjustment tool if needed, shims are installed until the Bolt just touches the barrel face, and then reduce by .001"
Also used to Adjust to Varying Rim Thicknesses for your Favority Match Target Ammo

Picture Missing Lithgow LA101 Bolt

Sold in paks of 4 or 5 to check and adjust bolt to barrel fit.

LA101 Bolt Shims .595" X .690"

Item # SS-LA101/BS Bolt Shim Pak

Click Box to Choose Different Quantities

Free Postage Economy Mail

Lithgow LA101 Bolt Shim Pak
Choose Assortment Shim Pak
Enter Choice / Request Below

👉Link To: ADD USPS TRACKING UPGRADE with SHIPPING PROTECTION

👉Link To: INTERNATIONAL TERMS / POSTAGE $1


TECH TIP: Bolt Shim Instructions ~ A General Guide

TECH TIP VIDEO: CZ452 CZ 455 and Lithgow LA101 with TriggerShims.com Bolt Shims

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TECH TIP VIDEO: Lithgow LA101 RWS Rifle Match with TriggerShims.com Bolt Shims Installed

This Tech-Tip Video by Mr Revolver Guy shows the Before and After installing Bolt Shims

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DayattheRange.com

Rimfire Rifles Headspace on the Bolt Face, and different cartridges have different rim thicknesses, Try our TriggerShims Brand Bolt Shims and you may be able to improve your accuracy, and Your Satisfaction is Guaranteed!


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

Rimmed Cartridges use the thickness of the cartridge rim for head-spacing .22 Rimfires Headspace on the Case Rim, and the actual head space is in the recessed face of the bolt.
You should first measure the depth of your bolt face pocket to insure it meets SAAMI minimum depth.
Shimming between the two bolt halves ensures the bolt is up gently tight against the breech.
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. 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 the 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

V3/2024


TriggerShims Snek

Rimfire Rifle Bolt Shim Index

BoltShim-INDEX

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 40X Bolt Shims
  11. Remington 504T Bolt Shims
  12. Remington 513T / 521T Rimfire Rifle
  13. Remington 540X Bolt Shims
  14. Ruger American Rimfire Bolt Shims
  15. Ruger 77/17 77/22 Bolt Shims
  16. Savage BMag Bolt Shims
  17. Savage MKII Bolt Shims - Prototype
  18. Springfield Armory Model 2020 Rimfire
  19. Suhl 150 Rimfire Rifle
  20. Tikka T1x and Sako P72 / M78 Rimfire Rifle
  21. Walther KK500 Rimfire Bolt Shims
  22. Winchester 43 and 52 Bolt Shims
  23. Winchester 69 and 75 Bolt Shims
  24. ~ Barrel Shims ~

  25. CZ 455/457 Barrel Shims
  26. 10/22 Barrel Shims
  27. 2500X and Trident 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





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and
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Shively Sales
Michigan Center, Michigan

Copyright 2008 ~ 2022

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YOU ASSUME ALL RESPONSIBILITY FOR THEIR SAFE INSTALLATION AND USAGE.
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