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Old 12-09-2019, 09:12 PM
QZZ

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Watch out for part#70 on your new CZ 457



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Am I the first one to hold the distinction of losing the part #70 called the stock insert that goes between the stock and the receiver base of the CZ 457 Lux? After removing the 455 stocks countless times refinishing them I never had to pay attention to a pesky part like "part#70" on the 457.
Well I guess I don't have to worry anymore ......Cuz She's gone.... I mean long long gone now! I may make one out of a very hard wood and glue it into the stock at some later date to help my memory lapse about keeping up with that elusive part#70..

Reference for the CZ 457 rifle.... CZ see part #70.
https://www.czub.cz/media/attachment.../cz_457_en.pdf

DOC
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  #2  
Old 12-09-2019, 10:04 PM
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After mine fell out a couple of times, I just put a couple of small pieces of painter's tape on the bottom and sides of the stock insert, to hold it in via friction. Worked great and you can't even see the tape.

Last edited by Tom_in_MO; 12-09-2019 at 10:06 PM.
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Old 12-10-2019, 12:42 AM
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Originally Posted by Tom_in_MO View Post
After mine fell out a couple of times, I just put a couple of small pieces of painter's tape on the bottom and sides of the stock insert, to hold it in via friction. Worked great and you can't even see the tape.
Tom_in_MO:

I did the same thing. I must say I am surprised that little devil was not "glued" in place.
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Old 12-10-2019, 03:27 AM
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Recoil lug ?
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Old 12-10-2019, 03:47 AM
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Yep. CZ Store P/N 95001. Five bucks. Unfortunately, out of stock.
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Old 12-10-2019, 08:01 AM
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Now I know where the part I've been holding on to for a few months goes. Found it on the kitchen floor. Was puzzled, and could not figure out where it came from. Thought it may have came out of my 97b. Thanks.
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Old 12-10-2019, 08:07 AM
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I have a cheap set of feeler gages that I use to cut shims. I think it was .010 I used on my mtr. My 457 varmint the insert was tight out of the box.
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Old 12-10-2019, 09:33 AM
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Just bed it in place with a little Acraglas Gel.
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Old 12-10-2019, 10:26 AM
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I see lots of little parts I could lose!
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Old 12-11-2019, 08:33 PM
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If your #70 part is out of stock at CZ-USA I can offer up a possible make your own replacement. Hard plastics shims we use to level concrete walls, risers, ect. They are 4"X4" and various thicknesses (3ea) 1/4", (2ea) 1/8" and (1ea) 1/16". They cut by hand easily (power tool friction tends to melt it) file and sands easily. Or you can score them and snap it along the score line fairly well. If your interested PM me your address and I'll mail you a set.
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Old 12-11-2019, 09:25 PM
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Yep, I took my barrel off to adjust the trigger and heard the barrel lug fall to the floor. No biggie, but why didn't CZ either machine it to a tight fit, or glue it in.
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Old 12-11-2019, 10:16 PM
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Originally Posted by 59801 View Post
If your #70 part is out of stock at CZ-USA I can offer up a possible make your own replacement. Hard plastics shims we use to level concrete walls, risers, ect. They are 4"X4" and various thicknesses (3ea) 1/4", (2ea) 1/8" and (1ea) 1/16". They cut by hand easily (power tool friction tends to melt it) file and sands easily. Or you can score them and snap it along the score line fairly well. If your interested PM me your address and I'll mail you a set.
Thank you for the generous offer 59801 but I have one nearly complete made out of madrone wood. I think it may work pretty well.

DOC
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Old 12-11-2019, 10:30 PM
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Quote:
Originally Posted by Mike_AK View Post
Just bed it in place with a little Acraglas Gel.
I dont have a 457, but; I like this idea. Unless someone noted a problem with that idea, I would glass the part into the stock and the part to receiver.

My 455 was a loose fit in the stock and with a free floating barrel it was a real problem. For me, not everyone. This maybe a fix to a 'secret' 455 problem.

Last edited by fourbore; 12-11-2019 at 10:34 PM.
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  #14  
Old 12-12-2019, 10:04 AM
Mike_AK
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Originally Posted by fourbore View Post
I dont have a 457, but; I like this idea. Unless someone noted a problem with that idea, I would glass the part into the stock and the part to receiver.

My 455 was a loose fit in the stock and with a free floating barrel it was a real problem. For me, not everyone. This maybe a fix to a 'secret' 455 problem.
I don't have a 457 either, but I did this once on a Sako P94s and it worked great.
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