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Looking to buy a SIG522 Heavy Barrel (20")

This is a discussion on Looking to buy a SIG522 Heavy Barrel (20") within the SIG Sauer Rifles forums, part of the SIG Sauer Forum category; Hello Everyone...I am looking for a Heavy Barrel 20"inch. for my SIG522 If anybody has one out there I would appreciate it, let me know. ...


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Old 01-14-2013, 08:21 PM   #1
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Looking to buy a SIG522 Heavy Barrel (20")

Hello Everyone...I am looking for a Heavy Barrel 20"inch. for my SIG522
If anybody has one out there I would appreciate it, let me know.
Thanks,
Rix442
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Old 01-22-2013, 12:32 AM   #2
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hi saw one on ebay yesterday. hope this helps
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Old 01-22-2013, 01:06 AM   #3
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welcome from az
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Old 01-22-2013, 12:15 PM   #4
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Will a heavy barrel help with accuracy in a .22LR at all? I mean, it's such a small cartridge with such little pressure when you consider volume. Does it really necessitate a heavy barrel to keep the barrel straight during firing? Aren't heavy barrels supposed to reduce barrel flex while firing? I can imagine the barrel flexing very little if at all with 5.56 and I've never heard of barrel flex problems with any .22 unless the barrel is made of plastic or pewter or something like that.
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Old 01-27-2013, 12:05 PM   #5
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Quote:
Originally Posted by CaptCaveman View Post
Will a heavy barrel help with accuracy in a .22LR at all? I mean, it's such a small cartridge with such little pressure when you consider volume. Does it really necessitate a heavy barrel to keep the barrel straight during firing? Aren't heavy barrels supposed to reduce barrel flex while firing? I can imagine the barrel flexing very little if at all with 5.56 and I've never heard of barrel flex problems with any .22 unless the barrel is made of plastic or pewter or something like that.
I'm no barrel expert, but IIRC, one of the reasons match grade barrels are heavier is to control flexing from heat build up (not barrel whip during firing). Barrel heat may come not only from the powder charge but friction from the bullets in rifling during continued fire. Inconsistencies in thinner steel barrels could react more under heat than in heavier, bull type barrels.



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Last edited by Flatsixshooter; 01-27-2013 at 12:07 PM.
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Old 08-21-2014, 05:09 PM   #6
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20 inch barrel

Do you still need a 20 inch barrel? I have one on my Sig522 and I would trade you for your regular barrel.
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Old 08-22-2014, 04:12 AM   #7
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Do you still need a 20 inch barrel? I have one on my Sig522 and I would trade you for your regular barrel.
I'm thinking that with .22LR, the longer barrel doesn't make a lot of difference. I shot NRA Small bore for many years and there we wanted long barrels for sight radius for iron sights. The target rifle makers like Anschutz started making shorter barreled rifles with extension tubes to extend the sight radius. As a result I think the heavy barrel is a benefit depending on the kind of shooting you are doing but for .22LR I think the additional length doesn't add any real benefit if you are using a scope and on the 522 I don't think it changes the iron site radius.
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