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Posted: 9/17/2009 9:45:43 AM EDT
[#1]
What cycling issues?
You'd be better off changing buffers, IMHO. If you're in Tucson, I'd be happy to take a look at your rifle and maybe try to troubleshoot. |
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Posted: 9/17/2009 9:59:37 AM EDT
[#2]
Gimmick. To actually make a change in the gas system you'd have to change the location of the gas port. Having a slightly longer gas tube without changing anything else isn't going to make an appreciable difference.
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Posted: 9/17/2009 10:16:49 AM EDT
[#3]
Quoted:
Gimmick. To actually make a change in the gas system you'd have to change the location of the gas port. Having a slightly longer gas tube without changing anything else isn't going to make an appreciable difference. +1... Best solution to pressure-related carbine problems is to sell the carbine upper and buy a midlength. Cheapest bandaid is to add a heavier buffer (e.g. 9mm) and/or an MGI adjustable gas tube. Explaining the problems you are having will help us help you. |
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Posted: 9/17/2009 11:02:31 AM EDT
[#4]
Use a Wollf extra power spring and T2 buffer.
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Posted: 9/17/2009 5:59:16 PM EDT
[#5]
Sorry for the dearth of details. On certain ammo, IMI for example, I get a lot of blown primers and smokestack jams. It is a CCMG built upper. I called them and they said to use less potent ammo. Doesn't sound right to me. I should think that a quality upper should be able to digest virtually all reasonable ammo.
Thanks for your suggestions. ––Sam |
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Posted: 9/17/2009 6:05:03 PM EDT
[#6]
Hotter ammo should cyccle fine..usually theres problems when ammo is under powered, in any event we cant help you unless you state what the nature of the cycling problem is..is it short stroking,FTF,FTE what exactly is the malfunction.
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Posted: 9/17/2009 7:46:41 PM EDT
[#7]
Pig tail gas tubes are junk. Most of the time people try to use them on Pistol length gas systems, There is no reason for a carbine length gas system to ever need one. I would go heavier on the buffer.
ETA: Sounds like you might have a chamber/bolt thats head spaced on the tight side or it might just be over gassed. |
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Posted: 9/17/2009 9:38:51 PM EDT
[#8]
I would also say that the chamber may be too tight and in need of reaming...
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Posted: 9/18/2009 12:25:09 AM EDT
[#9]
Quoted: Sorry for the dearth of details. On certain ammo, IMI for example, I get a lot of blown primers and smokestack jams. It is a CCMG built upper. I called them and they said to use less potent ammo. Doesn't sound right to me. I should think that a quality upper should be able to digest virtually all reasonable ammo. Thanks for your suggestions. ––Sam Blown primers are not a cycling problem. |
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