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TriggerShims
CZ / Brno Rimfire Rifle
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American Made Gun Shims
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Shively Sales - Manufacturer of
TriggerShims Brand
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American Made Gun Shims
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TriggerShims.com
CZ / Brno
The CZ ~ Brno hunting / varmint / target rifle
The CZ 452 also known as BRNO Model Two .22 Rifle is a series of magazine-fed bolt-action rimfire repeating rifles manufactured by the Czech firearms manufacturer Česká Zbrojovka Uherský Brod and imported into the United States by CZ-USA.
Bolt Shims for CZ / Brno Now In Stock
CZ / Brno Bolt Shims
New for 2022 CZ / Brno Bolt Shims Now In Stock
My Bolt Shims for the CZ / Brno Rifles fit these Models;
- CZ 452 ~ 453 ~ 455
- Brno 1 ~ 2 ~ 2E ~ 3 ~ 4 ~ 5
These CZ Shims are .610" X .690"
May Fit Other Models with a .604" to .609" X .705" Bolt
CZ Bolt Shims sold in paks of 4 to check and adjust bolt to barrel fit
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.
Proper Adjustment of the Bolt / Breech with Our Shims may Increase Accuracy
Factory fitting of the barrel into the receiver can also leave excess clearance between the bolt and breech.
Shims can also be 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 CZ / Brno Rifle Bolt Shims
A 4 Pak should do most any gun, Order multiple Paks for Multiple Guns and Save $$
- 4 Pak Assortment - $11 includes 1 each .002", .003", .004" and .005"
- 8 Pak Assortment - $18 includes 2 each .002", .003", .004" and .005"
- 12 Pak Assortment - $24 includes 3 each .002", .003", .004" and .005"
- 16 Pak Assortment - $32 includes 4 each .002", .003", .004" and .005"
- 2 Shim Pak - $7 *Specify your size in Box Below .0015" or .002" - .007" Whole Numbers
Bolt Shims .610" X .690"
Item # SS-CZ/BS Bolt Shim Pak
TriggerShims was asked by Gunsmith Jason Lowe ~ Lowey Products Australia to make shims for this bolt, and We Appreciate His Measurements, Photo's and Field Testing!
“Society in every state is a blessing, but a government even in its best state is but a necessary evil; in its worst state an intolerable one.” ~ Thomas Paine, Common Sense
Bolt Shims for CZ 457 Now In Stock
CZ 457 Bolt Shims
New for 2022 CZ 457 Bolt Shims Now In Stock
My Bolt Shims for the CZ Rifles fit these Models;
- CZ 457
These CZ Shims are .376" X .690"
May Fit Other Models with a .373" to .375" X .705" Bolt
CZ Bolt Shims sold in paks of 4 to check and adjust bolt to barrel fit
These are the Original TriggerShims Brand CZ Rifle Bolt Shims
A 4 Pak should adjust most any gun, Order multiple Paks for Multiple Guns and Save $$
_lg.jpg "CZ 457 Rimfire Bolt w/ Shim ~ Click-to-Enlarge")
- 4 Pak Assortment - $11 includes 1 each .002", .003", .004" and .005"
- 8 Pak Assortment - $18 includes 2 each .002", .003", .004" and .005"
- 12 Pak Assortment - $24 includes 3 each .002", .003", .004" and .005"
- 16 Pak Assortment - $32 includes 4 each .002", .003", .004" and .005"
- 2 Shim Pak - $7 *Specify your size in Box Below .0015" or .002" - .007"
Bolt Shims .376" X .690"
Item # SS-CZ457 Bolt Shim Pak
No country can be called free which is governed by an absolute power; and it matters not whether it be an absolute royal power or an absolute legislative power, as the consequences will be the same to the people. ~ Thomas Paine
