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Free floating CZ 452 rifles


Stratts
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Just wondering if free floating my .22lr and .22WMR CZ 452's would aid in accuracy at all and is it easy to do?

 

If you free float barrels do you also have to glass bed them where the action fixes to the stock for strength?

 

Cheers

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I did my hmr as it was tight in the stock and was getting zero shift when it got a soaking, then again when fully dry. Also when shooting off the sticks the stock was touching at the front of the forend, no room for paper never mind a card. Dead easy to do and never had any problems since, in fact have not had to rezero in over 18 months.

 

atvb Paul.

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I have done nothing to my 16" Varmint and its groups nicely - good enough for hunting anyway!

If it ain't broke.......

 

If its a varmint it will be floated anyway they normally come in a 19" heavy floated barrel if yours is 16" as standard and not floated it will be an american not a Varmint mate. my varmint says cz452-zkm-2e on the action if that's any help.

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I've had to float 3 x CZ's,

 

1 x 22-250, & 2 x 243's.

 

After floating the 22-250 the POI changed by at least 12",

 

the other 243's it made a decent improvement.

 

I've also fully bedded a Bruno Mod-2.

 

Between the two methods I would prefer floating the barrel, & bedding the action.

 

You may get away without bedding the action.

 

TBH you have nothing to lose doing it, at the least you'll know it has been done,

 

which will eliminate it from any future problems if they arise.

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I have just had to float a tikka T3 lite in its plastic stock.

I have done all my CZ's Americans a long time ago.

 

 

wood stocks and even synthetic expand and contract from heat and moister. if the stock is touching then the barrel cant expand on that side to the barrel is pushed to one side or up, this alters your zero.

heat from firing a few rounds one after the other also causes zero shift if you stock is touching. the stock can draw the heat out of the barrel where it touches and this also cant push the barrel to one side.

 

does a floating barrel really make much differance? all the pro paper punches seam to think so. :good:

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I floated my CZ452 HMR, then had to do it again on two more occasions. It made a significant enough improvement.

 

I also had a few problems with my Remmy 700 and swapped the stock for a bedded unit which gave massive clearance around the barrel. Groups went into clusters.

 

Try it, you have nothing to loose.

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I did my hmr as it was tight in the stock and was getting zero shift when it got a soaking, then again when fully dry. Also when shooting off the sticks the stock was touching at the front of the forend, no room for paper never mind a card. Dead easy to do and never had any problems since, in fact have not had to rezero in over 18 months.

 

atvb Paul.

 

 

I have just had to float a tikka T3 lite in its plastic stock.

I have done all my CZ's Americans a long time ago.

 

 

wood stocks and even synthetic expand and contract from heat and moister. if the stock is touching then the barrel cant expand on that side to the barrel is pushed to one side or up, this alters your zero.

heat from firing a few rounds one after the other also causes zero shift if you stock is touching. the stock can draw the heat out of the barrel where it touches and this also cant push the barrel to one side.

 

does a floating barrel really make much differance? all the pro paper punches seam to think so. :good:

As above,have floated my cz .22lr american as the zero kept moving,had it from new and the wood was touching the barrell,it has improved accuracy/consistency,havent bedded action but i will do this soon.

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  • 3 years later...

I did have to remove some material to float the barrel on my new CZ 452 Silhouette a while ago. Can't do any harm...

Then for whatever reason, I started having a random moving zero. I ran a £5.00 note between the barrel and stock forend and it wouldn't pass through. I sanded the touching parts until the fiver would pass through with ease, and the zero returned and stayed.....

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I can now slide a playing card between barrel and stock so I feel this is enough but the proof will be on the shooting! I will post when I have shot it. I would try in the morning as the wind should ease off over night but I will go for a stalk with the 243 in the morning if this is the case after a doe.

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Two to free float the CZ in my experience both work and are worth doing.

 

No need to glass bed afterward unless you have a poorly inlet stock.

 

I have done one that had everything done it was stunnly accurate shame the shooter was not as good, most CZs are or are easly made more accurate than the nut on the butt.

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I have 452's in .22lr and HMR. Barrel clearly touching the barrel on both, but both are deadly accurate. Same with the previous 452's I've owned in rimfire. I'm not convinced floating the barrel makes a heck of a lot of difference to be honest...but if other folk have experienced different sobeit.

If the pressure from the stock is good and the timber well seasoned there is nothing wrong with un floated.

My issue was a high spot in the action inletting.

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