CZ trigger springs
- Thread starter Topwater
- Start date
Mark W
Gold $$ Contributor
I may or may not have used an ink pen spring to greatly improve my CZ 455 trigger.
455 springs here ,not sure if the 457 uses the same spring.
http://www.erniethegunsmith.com/catalog/c3_p1.html
http://www.erniethegunsmith.com/catalog/c3_p1.html
moondog
Gold $$ Contributor
There was a thread a few years ago on rimfire central that gave the tip for the bic lighter spring. It works fantastic in mine
ACE hardware old No. 144 spring will get it under a pound pull. BUT they renumbered their spring part numbers. Does anyone know the new stock number. I did my changeovers years ago. I believe either Graniger or McMaster-Carr has the same spring. Can anyone help the OP with the part numbers. I have not ordered from either one.
457 spring has a smaller id than the 452's, not sure about the 455'. My extra 452 springs didn't fit inside the trigger hole on the 457. Here is what I measured for the 457 and a photo of the CZ vs. YoDave.
CZ / YoDave
OD: 0.146" (3.7mm) / 0.140" (0.356mm)
Length: 0.375" (9.5mm) / 0.375" (9.5mm)
Wire Dia.: 0.03" (0.7mm) / 0.018" (0.45mm)
CZ / YoDave
OD: 0.146" (3.7mm) / 0.140" (0.356mm)
Length: 0.375" (9.5mm) / 0.375" (9.5mm)
Wire Dia.: 0.03" (0.7mm) / 0.018" (0.45mm)
Attachments
Gentlemen, thank you for your input. I measured my CZ spring to compare with the ones 45ACP223 posted above.
My OD, 0.1445”
Length, 0.3615”
Wire Dia. 0.029”
Sunday I met “johara1” for the first time, to make a purchase that we’d arranged. He proved to be a wealth of information, years of experience and a genuine gentleman. I mentioned my spring dilemma. He promptly produced a spring assortment and checked them with his caliper. He found two that were very similar to what I needed. He then dropped them into a plastic bag and wouldn’t take a dime. Once again, I’ve met another new friend through this website. There are so many great folks here. ..........Thanks again, Jim.
My OD, 0.1445”
Length, 0.3615”
Wire Dia. 0.029”
Sunday I met “johara1” for the first time, to make a purchase that we’d arranged. He proved to be a wealth of information, years of experience and a genuine gentleman. I mentioned my spring dilemma. He promptly produced a spring assortment and checked them with his caliper. He found two that were very similar to what I needed. He then dropped them into a plastic bag and wouldn’t take a dime. Once again, I’ve met another new friend through this website. There are so many great folks here. ..........Thanks again, Jim.
Got my 457 down to 3oz
If your going to be in this game for the long haul like I have been, order a spring stock assortment from Brownells. Select the appropriate stock, clip the proper length and have what you need from good material not the junk in a Bic that changes over time. The time you save from hunting springs will make it a worthwhile purchase.
shooterjon
Silver $$ Contributor
I just received a trigger spring from YoDave see attached address,You may want to consider this spring as it is for the CZ 457.
https://www.yodaveproducts.com/
Okay, folks. After fairly exhaustive research, I have info regarding trigger springs for the CZ 457. I ordered springs suggested by some responders to this thread. None were satisfactory. They actually increased my trigger’s weight to above two pounds. Through a detailed discussion with a shooting friend and local gunsmith that has done work for me, he decided to order two different sized springs. The problem was that they had to be ordered in quantities that were far more than I would ever use. He said that he would just have these in stock once his order arrived. Here are the closed end springs that will fit the 457 trigger.
Jones Spring company, Springs that fit, CO5-18-12, CO5-16-12 , CO5-14-12 . From personal experience, the CO5-18-12 increased the weight to over two pounds. The other two “should” be lighter because the middle number refers to the diameter of the “music wire” these are made from.
Disclaimer : This is information I’ve discovered through my own research. I make no recommendations. I’m just sharing information. Good Shooting, everyone.
Jones Spring company, Springs that fit, CO5-18-12, CO5-16-12 , CO5-14-12 . From personal experience, the CO5-18-12 increased the weight to over two pounds. The other two “should” be lighter because the middle number refers to the diameter of the “music wire” these are made from.
Disclaimer : This is information I’ve discovered through my own research. I make no recommendations. I’m just sharing information. Good Shooting, everyone.
I used to trim them & use them on the older Remington triggers too.
i can get it t0 4oz
Well, Tink, would you like to divulge your secrets? Recently picked up a 457 and would like to get my trigger to lowest, yet safe, TPW for benchrest use. Thanks for any info.
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