How long is yours?

[RossGym 1]

Got 2 CZ 452's. .22lr is 20'' without the SAK MOD and the 17hmr is 22.5'' without the LEI MOD. I'm left handed and that's the only lengths that they come in. Even though they are very long i can't say it's ever given me any trouble, and they are both extremely accurate. I was going to get them cut down, but if it ain't broke, don't fix it.

 

Mine is the same as yours - left hook 20".

 

Thinking 12-14" will be best. The rifle looks 'right' as is without the mod on it in terms of length of barrel to stock dimensions etc..at 14" on the barrel with the standard SAK it works out the same length as it is now sans mod.

 

Not the most scientific thinking, but in the absence of any real reason...

 

*edit for readability!*

 

I don't know is the honest answer, this phase of getting barrels cut shorter is relatively new!

 

Frankly though, it makes you wonder if a 12 or 14 inch barrel is fine then why do manufacturers go to the trouble and expense of making them longer!

 

It's a good question, but I think it is probably as much to do with them looking like big guns (big powder content that takes time to burn), and to make them legal in as many countries as possible.

 

Maybe it is different for higher velocity rounds, but I only ever shoot subs, and the heresay on the web is that the powder burns in the first 8" or so, and after that the friction of the barrel slows the round.

[jamie g 17]

Cz can go shorter then 16 inches. Most 22lr rifles are 1 in 16 twist.

you dont need a long barrel on a rimfire. Anschutz make there 1417 model 22lr with a 14 inch barrel.

And they know a thing or two about rifles

Edited October 31, 2012 by jamie g

[paulus 26]

Cz can go shorter then 16 inches. Most 22lr rifles are 1 in 16 twist.

you dont need a long barrel on a rimfire. Anschutz make there 1417 model 22lr with a 14 inch barrel.

And they know a thing or two about rifles

the cz452 and know the cz455 have a 1:9 twist rate they they also have a choked barrel and cutting below 16inch will effect accuracy here: http://shootingsports.edgarbrothers.com/pages/Ask-Derek-8.aspx

[Deker 3,478]

Cz can go shorter then 16 inches. Most 22lr rifles are 1 in 16 twist.

you dont need a long barrel on a rimfire. Anschutz make there 1417 model 22lr with a 14 inch barrel.

And they know a thing or two about rifles

the cz452 and know the cz455 have a 1:9 twist rate they they also have a choked barrel and cutting below 16inch will effect accuracy here: http://shootingsport...sk-Derek-8.aspx

 

Where did you get this 1-9 twist, as far as I'm aware that is the HMR, my 452's in .22lr are all 1-16, and don't believe everything Derek says!

Edited November 1, 2012 by Deker

[paulus 26]

Cz can go shorter then 16 inches. Most 22lr rifles are 1 in 16 twist.

you dont need a long barrel on a rimfire. Anschutz make there 1417 model 22lr with a 14 inch barrel.

And they know a thing or two about rifles

the cz452 and know the cz455 have a 1:9 twist rate they they also have a choked barrel and cutting below 16inch will effect accuracy here: http://shootingsport...sk-Derek-8.aspx

 

Where did you get this 1-9 twist, as far as I'm aware that is the HMR, my 452's in .22lr are all 1-16, and don't believe everything Derek says!

the importers edger bros website and cz usa http://www.danwesson...cz-452-varmint/

although i have also seen 1:16 mentioned on other site so prehaps there not all the same twist rate

[Deker 3,478]

Cz can go shorter then 16 inches. Most 22lr rifles are 1 in 16 twist.

you dont need a long barrel on a rimfire. Anschutz make there 1417 model 22lr with a 14 inch barrel.

And they know a thing or two about rifles

the cz452 and know the cz455 have a 1:9 twist rate they they also have a choked barrel and cutting below 16inch will effect accuracy here: http://shootingsport...sk-Derek-8.aspx

 

Where did you get this 1-9 twist, as far as I'm aware that is the HMR, my 452's in .22lr are all 1-16, and don't believe everything Derek says!

the importers edger bros website and cz usa http://www.danwesson...52-varmint/

although i have also seen 1:16 mentioned on other site so prehaps there not all the same twist rate

 

Edgar bros and http://www.danwesson...52-varmint/ Both seem to list the HMR as 1-9 and the .22lr as 1-16 (and the WMR as 1-16)

All the same. 452/453/455.

Edited November 1, 2012 by Deker

[paulus 26]

Cz can go shorter then 16 inches. Most 22lr rifles are 1 in 16 twist.

you dont need a long barrel on a rimfire. Anschutz make there 1417 model 22lr with a 14 inch barrel.

And they know a thing or two about rifles

the cz452 and know the cz455 have a 1:9 twist rate they they also have a choked barrel and cutting below 16inch will effect accuracy here: http://shootingsport...sk-Derek-8.aspx

 

Where did you get this 1-9 twist, as far as I'm aware that is the HMR, my 452's in .22lr are all 1-16, and don't believe everything Derek says!

the importers edger bros website and cz usa http://www.danwesson...52-varmint/

although i have also seen 1:16 mentioned on other site so prehaps there not all the same twist rate

 

Edgar bros and http://www.danwesson...52-varmint/ Both seem to list the HMR as 1-9 and the .22lr as 1-16 (and the WMR as 1-16)

All the same. 452/453/455.

1:16 it is then makes sense then. that the shortest barrel they do is 16 inch in 22lr as the round wouldnt do a full revolution in a barrel shorter than 16 inch

[Deker 3,478]

Cz can go shorter then 16 inches. Most 22lr rifles are 1 in 16 twist.

you dont need a long barrel on a rimfire. Anschutz make there 1417 model 22lr with a 14 inch barrel.

And they know a thing or two about rifles

the cz452 and know the cz455 have a 1:9 twist rate they they also have a choked barrel and cutting below 16inch will effect accuracy here: http://shootingsport...sk-Derek-8.aspx

 

Where did you get this 1-9 twist, as far as I'm aware that is the HMR, my 452's in .22lr are all 1-16, and don't believe everything Derek says!

the importers edger bros website and cz usa http://www.danwesson...52-varmint/

although i have also seen 1:16 mentioned on other site so prehaps there not all the same twist rate

 

Edgar bros and http://www.danwesson...52-varmint/ Both seem to list the HMR as 1-9 and the .22lr as 1-16 (and the WMR as 1-16)

All the same. 452/453/455.

1:16 it is then makes sense then. that the shortest barrel they do is 16 inch in 22lr as the round wouldnt do a full revolution in a barrel shorter than 16 inch

 

....so 9" Barrel is ok for the HMR then? :laugh:

Also, Anschutz, who are world renown for accuracy do the 1417, 14" barrel .22lr, @1-16.5 twist? :hmm:

:thumbs:

[paulus 26]

Cz can go shorter then 16 inches. Most 22lr rifles are 1 in 16 twist.

you dont need a long barrel on a rimfire. Anschutz make there 1417 model 22lr with a 14 inch barrel.

And they know a thing or two about rifles

the cz452 and know the cz455 have a 1:9 twist rate they they also have a choked barrel and cutting below 16inch will effect accuracy here: http://shootingsport...sk-Derek-8.aspx

 

Where did you get this 1-9 twist, as far as I'm aware that is the HMR, my 452's in .22lr are all 1-16, and don't believe everything Derek says!

the importers edger bros website and cz usa http://www.danwesson...52-varmint/

although i have also seen 1:16 mentioned on other site so prehaps there not all the same twist rate

 

Edgar bros and http://www.danwesson...52-varmint/ Both seem to list the HMR as 1-9 and the .22lr as 1-16 (and the WMR as 1-16)

All the same. 452/453/455.

1:16 it is then makes sense then. that the shortest barrel they do is 16 inch in 22lr as the round wouldnt do a full revolution in a barrel shorter than 16 inch

 

....so 9" Barrel is ok for the HMR then? :laugh:

Also, Anschutz, who are world renown for accuracy do the 1417, 14" barrel .22lr, @1-16.5 twist? :hmm:

:thumbs:

you got me good job i trust the experts ill stick to pulling the trigger

[Deker 3,478]

 

Edgar bros and http://www.danwesson...52-varmint/ Both seem to list the HMR as 1-9 and the .22lr as 1-16 (and the WMR as 1-16)

All the same. 452/453/455.

1:16 it is then makes sense then. that the shortest barrel they do is 16 inch in 22lr as the round wouldnt do a full revolution in a barrel shorter than 16 inch

 

....so 9" Barrel is ok for the HMR then? :laugh:

Also, Anschutz, who are world renown for accuracy do the 1417, 14" barrel .22lr, @1-16.5 twist? :hmm:

:thumbs:

you got me good job i trust the experts ill stick to pulling the trigger

 

Maybe a 9" barrel on a HMR would not be too bad looking at this, but as it stops at 10" we can't be sure!

http://www.bullberry.com/HMRdata.html

[RossGym 1]

1:16 it is then makes sense then. that the shortest barrel they do is 16 inch in 22lr as the round wouldnt do a full revolution in a barrel shorter than 16 inch

 

Can't see it mattering too much whether the round does a full rotation, once it is turning it has the same rotational momentum whether it's gone through 1 or 360 degrees.

 

The choke thing feels a little like marketing to me. I know chokes work and blah blah blah, but the importer having a thing saying basically 'don't cut it down, trade it in for a new one' feels like an angle!

 

The overall reports from people about barrel shortening is that it was no worse/better than before. It is only now that people are quoting the inporters website that the assumed knowledge is shifting towards 'don't cut it or else!' or versions thereof.

 

You could always have the barrel lapped back from the new crown to make the new cut the tightest point of the bore?