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Posted: 10/3/2004 9:35:17 AM EDT
[#1]
Just guessing... But sounds like some one bore out the gas hole and you are cycling hot.
But also check if the bottom of the case rim area to see if it is blugging. And are you shooting brass reloads? Case rims takes a lot of beating and tends the thin out after countless reloading and triming. And if your barrel is wearing out and not enough support around the rim, that can blug out the case and get ripped apart during ejecting. Wolf is steel case, so it is a lot tougher....hinking.gif |
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Posted: 10/3/2004 9:39:06 AM EDT
[#2]
Try adding an H buffer and Wolff buffer spring.
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Posted: 10/3/2004 9:44:11 AM EDT
[#3]
Appreciate the fast replies. Carbine was tested with South African surplus brass 5.56 (new, not reloaded) and ripped the case rim.
No problem with new Wolf in .223 Will work with Black Hills brass .223 but it is evident where the case rim is being stretched by the extractor. I´m thinking it has to be a tight .223 chamber. Will try Quietshooter´s recommnedations. |
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Posted: 10/3/2004 9:52:16 AM EDT
[#4]
I don't think it's a tight chamber or you'd be having trouble with Wolf too, perhaps even more so. Your extractor tension is good if you're tearing rims off...your problem is your dwell time. The gas port may be a little oversize, and the heavy buffer and XP Wolff buffer spring should slow it down enough to make it work correctly. If it seems to improve the problem but not cure it completely, try going to the 9mm buffer. |
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Posted: 10/3/2004 10:18:24 AM EDT
[#5]
Did you say ".223" chamber?
The .223 and 5.56 are not exactly the same size. If I remember correctly, .223 is a bit tighter chamber ( a bit shorter in length ) compare to the NATO 5.56 chamber... Check with some vendor web sites, they do talk about this. If you have .223 chamber and are firing 5.56 NATO, you can get excessive pressure. Check the back of your case, is the primer area kinda flaten a bit? If it is the case, the brass is expending too much under the higher pressure and wiged in the chamber... hock.gif |
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Posted: 10/3/2004 11:46:49 AM EDT
[#6]
That's another idea. Whose barrel is it?
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Posted: 10/3/2004 2:00:02 PM EDT
[#7]
Unknown make. Purchased in the late 70s, perhaps early 80s. Owner wants it to work. I'm not a fan of this configuration.
I use a Colt tungsten buffer, will swap lowers next time out. Should have thought of that earlier. 
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Posted: 10/3/2004 5:29:02 PM EDT
[#8]
Polish the chamber.
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