Looking to buy a SIG522 Heavy Barrel (20")

Rix442 · 01-14-2013, 08:21 PM

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

tosto1982 · 01-22-2013, 12:32 AM

hi saw one on ebay yesterday. hope this helps

bearone2 · 01-22-2013, 01:06 AM

welcome from az

CaptCaveman · 01-22-2013, 12:15 PM

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.

Flatsixshooter · 01-27-2013, 12:05 PM

Quote:

Originally Posted by CaptCaveman

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.

.

01-14-2013, 08:21 PM	#1
Rix442 Junior Member Join Date: Jan 2013 Location: California Posts: 1	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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Looking to buy a SIG522 Heavy Barrel (20")

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01-22-2013, 12:32 AM	#2
tosto1982 Junior Member Join Date: Jan 2013 Location: NH Posts: 3	hi saw one on ebay yesterday. hope this helps

01-22-2013, 01:06 AM	#3
bearone2 Senior Member Join Date: Jun 2012 Location: AZ Posts: 6,468	welcome from az

01-22-2013, 12:15 PM	#4
CaptCaveman Senior Member Join Date: Dec 2012 Location: Tolleson, Arizona Posts: 168	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.