 Vinesr6
Me, Myself and BRD...Team LaRue
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Joined: Jul 2003  TX, USA
 Posts: 2144 Feedback: 100% (64) Link To This Post |
Posted: 6/3/2008 9:00:49 PM
Dang, could you please fix the links. I need to do the mods myself, thanks.
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kap_x
Porkchop Sandwiches!?
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Joined: Nov 2006 GA, USA
Posts: 4473 Feedback: 100% (4) Link To This Post |
Posted: 6/5/2008 11:22:40 PM
Sorry about that! Fixed
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kap_x
I say naughty words
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Joined: Nov 2006 GA, USA
Posts: 12068 Feedback: 100% (4) Link To This Post |
Posted: 4/27/2009 12:04:38 AM
Server where the pics are hosted is down for a few days. I'll reply when they're back up
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kap_x
I say naughty words
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Joined: Nov 2006 GA, USA
Posts: 12108 Feedback: 100% (4) Link To This Post |
Posted: 4/28/2009 7:13:28 AM
Pics back up
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Posted: 5/30/2009 9:16:05 PM
This WAS a great sticky. Will the pics ever be back up
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kap_x
I say naughty words
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Joined: Nov 2006 GA, USA
Posts: 13155 Feedback: 100% (4) Link To This Post |
Posted: 6/4/2009 4:24:28 AM
[Last Edit: 6/4/2009 4:46:09 PM by kap_x]
Yes. I'm in the process of switching servers, so everything is being moved over. They'll be back up soon
ETA: Transfer is finished. Everything working, except I have Deej's avatar throughout the whole thing   |
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Posted: 6/10/2009 1:12:28 AM
Thanks. I have an HK MP5 conversion and extra parts for about any situation, so this will get printed off and stored in my parts kit! I don't yet have an amourer's manual, so this will really be helpful. I bought the upgraded firing pin spring and newer extractor springs and wasn't sure how I was going to install them if I ever need to.
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kap_x
I say naughty words
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Joined: Nov 2006 GA, USA
Posts: 13452 Feedback: 100% (4) Link To This Post |
Posted: 6/14/2009 8:04:02 PM
[Last Edit: 6/14/2009 8:12:43 PM by kap_x]
Originally Posted By msweet16: Thanks. I have an HK MP5 conversion and extra parts for about any situation, so this will get printed off and stored in my parts kit! I don't yet have an amourer's manual, so this will really be helpful. I bought the upgraded firing pin spring and newer extractor springs and wasn't sure how I was going to install them if I ever need to. Glad I could help! You can find the G3 Armorer's Manual here |
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Posted: 7/7/2010 12:04:12 AM
Question. I have a CA 89 SBR and as others have reported I see a small, but still annoying, amount of FTEs. My concern is that CA has tweaked and tested the gun to work on their parts. If one swaps out critical parts like the extractors and levers, doesn't that throw everything else off?
Yes, the HK parts are superior but are they guaranteed to make the clone work better? Just want to know before I drop down more $ on hkparts.net for genuine HK parts. thanks |
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kap_x
Amphigorous Xylopolist
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Joined: Nov 2006 GA, USA
Posts: 22391 Feedback: 100% (4) Link To This Post |
Posted: 7/7/2010 6:12:02 AM
[Last Edit: 7/7/2010 6:15:10 AM by kap_x]
Failure to extract or failure to eject?
As far as I know, Coharie hasn't changed any parts to where they are non-compatible. Only cheaper to produce. If you're having failure to extracts, I would just start with an HK extractor (I can't imagine them changing spec for this item, anyway). Hell, if you're having ejection issues I'd still start in the same place. Approximately how many rounds through the rifle? From my observations, extractor springs are the number one cause of issues in these rifles. As you can see from the OP, they are fairly weak and are prone to malformation. Failure rates seem to pop-up or increase substantially around 1k+ rounds from my observations of other posters and the experience of my own. IIRC It's only an $8.00 or so part, and I recommend always trying the cheapest solution first |
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Posted: 7/7/2010 12:43:41 PM
Originally Posted By kap_x:
Failure to extract or failure to eject? As far as I know, Coharie hasn't changed any parts to where they are non-compatible. Only cheaper to produce. If you're having failure to extracts, I would just start with an HK extractor (I can't imagine them changing spec for this item, anyway). Hell, if you're having ejection issues I'd still start in the same place. Approximately how many rounds through the rifle? From my observations, extractor springs are the number one cause of issues in these rifles. As you can see from the OP, they are fairly weak and are prone to malformation. Failure rates seem to pop-up or increase substantially around 1k+ rounds from my observations of other posters and the experience of my own. IIRC It's only an $8.00 or so part, and I recommend always trying the cheapest solution first
sorry, I meant failure to eject, the mangled casing gets stuck in the chamber halfway on its way out crushed by the bolt. Gun is brand new, maybe 300rnds through it. You're right, for $10 it's worth a try. Is hkparts.net the best place to buy? They are out of stock on the extractor itself. thanks for the insight |
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kap_x
Amphigorous Xylopolist
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Posted: 7/7/2010 4:13:16 PM
To be honest, I'm not so sure you need to replace the actual extractor. I just did because, hell why not.
Adam Webber at HKparts and Gordon Miller at hkspecialiststore.com are both top notch |
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scottMO
Member
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Joined: Feb 2001 MO, USA
Posts: 3721 Feedback: 100% (383) Link To This Post |
Posted: 7/15/2010 10:31:17 PM
[Last Edit: 3/1/2011 1:38:21 PM by scottMO]
Most likely culprets in no particular order:
Extractor spring extractor bolt head (Is it in spec/oversixed? does it pass the zip tie test?) ejector (is there much side to side play?) trigger housing (is it parallel to the receiver or is the rear of the housing higher/lower creating an angle?) 末末末末末末末末末末末 I bought a used Coharie SBR w/ the S/N under 100. I knew it had problems before I bought it, when I demo'd it b4 buying, but the price was right. It failed to eject 2-3 times per mag and jammed up the pack, and those that did eject, just dribbled out. i had no idea if was in the lower (ejector, pack angle, etc) or the upper(extractor, bolt, headspace, carrier/recoil rod). I replaced the ejector w/a factory one and that didnt fix it, My plan was to go to the range and start swapping parts w/a friends clone to diagnose or at least narrow down the problem bewteen upper or lower. 1 thing I knew was right: the bolt held the case tightly and passed the ziptie test. 2 things I knew were wrong: the ejector had alot of side to side movement, the trigger pack angle was not parallel to the receiver. I ended up buying a factory SEF lower and this thing now runs like a top. It ate everything from blazer brass to the "supposidly weak" WWB. Good luck. It may take some time/aggrivation, but it is worth it. I now have 900.00 in mine w/the HK FH and SEF trigger pack (semi, SBR) and am very pleased w/it. |
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kap_x
Amphigorous Xylopolist
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Joined: Nov 2006 GA, USA
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Posted: 7/15/2010 11:48:31 PM
[Last Edit: 7/15/2010 11:49:12 PM by kap_x]
I would put the Coharie mags very high on that list, too. They're pretty big piles of shit
What is the zip-tie test? |
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scottMO
Member
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Joined: Feb 2001 MO, USA
Posts: 3722 Feedback: 100% (383) Link To This Post |
Posted: 7/16/2010 12:18:21 AM
Originally Posted By kap_x:
I would put the Coharie mags very high on that list, too. They're pretty big piles of shit What is the zip-tie test? http://www.youtube.com/watch?v=FJg1G0UBO5c |
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Posted: 3/16/2011 12:23:28 PM
Thanks!!!!!!!!!!!!!!!!!!!!!
I'm getting a CA94 soon...  |
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ObsoleteMan
Good. Now I want you to try again.
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Joined: Mar 2009 AZ, USA
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Posted: 6/26/2011 11:34:22 PM
Thanks OP! Awesome job!
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