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Posted: 4/15/2014 3:14:28 PM EDT
Crosspost from Industry forum - wanted some opinions from here as well. Thanks!
Just got my upper today and upon playing with it, I noticed a bit of clanging. I looked down into the handguard and noticed that there is a screw sticking out of the gas block which hits the rail when there's any amount of flex/movement in the handguard. Is this normal? Something I can fix myself? Or should it be sent back to PSA (hope not) It looks like I could get to it to tighten it if I loosened the handguard screws and slid it off then tightened it all back down. 
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Posted: 4/15/2014 3:16:03 PM EDT
[#1]
Quoted:
Crosspost from PSA Industry forum - wanted some opinions from here as well. Thanks! Just got my upper today and upon playing with it, I noticed a bit of clanging. I looked down into the handguard and noticed that there is a screw sticking out of the gas block which hits the rail when there's any amount of flex/movement in the handguard. Is this normal? Something I can fix myself? Or should it be sent back to PSA (hope not) It looks like I could get to it to tighten it if I loosened the handguard screws and slid it off then tightened it all back down. <a href="http://s234.photobucket.com/user/Synyster06Gates/media/IMG_20140415_174932_zpsoinvivqj.jpg.html" target="_blank">http://i234.photobucket.com/albums/ee75/Synyster06Gates/IMG_20140415_174932_zpsoinvivqj.jpg</a> <a href="http://s234.photobucket.com/user/Synyster06Gates/media/IMG_20140415_174916_zpsbsn5b5av.jpg.html" target="_blank">http://i234.photobucket.com/albums/ee75/Synyster06Gates/IMG_20140415_174916_zpsbsn5b5av.jpg</a> <a href="http://s234.photobucket.com/user/Synyster06Gates/media/IMG_20140415_174943_zpsvxit73mf.jpg.html" target="_blank">http://i234.photobucket.com/albums/ee75/Synyster06Gates/IMG_20140415_174943_zpsvxit73mf.jpg</a> it's pretty much that simple. use loctite if you don't want it to happen again. |
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Posted: 4/15/2014 3:25:55 PM EDT
[#2]
Quote HistoryQuoted:
it's pretty much that simple. use loctite if you don't want it to happen again. Quote HistoryQuoted:
Quoted:
Crosspost from PSA Industry forum - wanted some opinions from here as well. Thanks! Just got my upper today and upon playing with it, I noticed a bit of clanging. I looked down into the handguard and noticed that there is a screw sticking out of the gas block which hits the rail when there's any amount of flex/movement in the handguard. Is this normal? Something I can fix myself? Or should it be sent back to PSA (hope not) It looks like I could get to it to tighten it if I loosened the handguard screws and slid it off then tightened it all back down. <a href="http://s234.photobucket.com/user/Synyster06Gates/media/IMG_20140415_174932_zpsoinvivqj.jpg.html" target="_blank">http://i234.photobucket.com/albums/ee75/Synyster06Gates/IMG_20140415_174932_zpsoinvivqj.jpg</a> <a href="http://s234.photobucket.com/user/Synyster06Gates/media/IMG_20140415_174916_zpsbsn5b5av.jpg.html" target="_blank">http://i234.photobucket.com/albums/ee75/Synyster06Gates/IMG_20140415_174916_zpsbsn5b5av.jpg</a> <a href="http://s234.photobucket.com/user/Synyster06Gates/media/IMG_20140415_174943_zpsvxit73mf.jpg.html" target="_blank">http://i234.photobucket.com/albums/ee75/Synyster06Gates/IMG_20140415_174943_zpsvxit73mf.jpg</a> it's pretty much that simple. use loctite if you don't want it to happen again. What Don said.... Use BLUE loctite |
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Posted: 4/15/2014 3:28:51 PM EDT
[#3]
Looking more at it... it's going in crooked. I have a feeling someone goofed up the threads on either the screw or the block itself.
If the threads in the hole are stripped, what would I do? would just running 2 screws be sufficient or would I need to send it back? I'm kind of holding off on going at it myself just in case it voids the warranty or anything. |
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Posted: 4/15/2014 3:30:56 PM EDT
[#4]
Quote HistoryQuoted:
Looking more at it... it's going in crooked. I have a feeling someone goofed up the threads on either the screw or the block itself. If the threads in the hole are stripped, what would I do? would just running 2 screws be sufficient or would I need to send it back to PSA? I'm kind of holding off on going at it myself just in case it voids the warranty or anything. If PSA cross threaded it, i would send it back and have them put on a new gas block. It might just be that loose though, you never know. |
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Posted: 4/15/2014 3:34:08 PM EDT
[#5]
Quote HistoryQuoted:
If PSA cross threaded it, i would send it back and have them put on a new gas block. It might just be that loose though, you never know. Quote HistoryQuoted:
Quoted:
Looking more at it... it's going in crooked. I have a feeling someone goofed up the threads on either the screw or the block itself. If the threads in the hole are stripped, what would I do? would just running 2 screws be sufficient or would I need to send it back to PSA? I'm kind of holding off on going at it myself just in case it voids the warranty or anything. If PSA cross threaded it, i would send it back and have them put on a new gas block. It might just be that loose though, you never know. Damn. I've been looking forward to this upper too 
I've got a feeling it's cross threaded. I can see some silver metal shavings on the edge of the hole. |
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Posted: 4/15/2014 3:35:58 PM EDT
[#6]
Quote HistoryQuoted:
Damn. I've been looking forward to this upper too
I've got a feeling it's cross threaded. I can see some silver metal shavings on the edge of the hole. Quote HistoryQuoted:
Quoted:
Quoted:
Looking more at it... it's going in crooked. I have a feeling someone goofed up the threads on either the screw or the block itself. If the threads in the hole are stripped, what would I do? would just running 2 screws be sufficient or would I need to send it back to PSA? I'm kind of holding off on going at it myself just in case it voids the warranty or anything. If PSA cross threaded it, i would send it back and have them put on a new gas block. It might just be that loose though, you never know. Damn. I've been looking forward to this upper too
I've got a feeling it's cross threaded. I can see some silver metal shavings on the edge of the hole. Depending on whether psa pays shipping or not it might be cheaper to order a new gas block and do it yourself. It would certainly be quicker to do it that way. |
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Posted: 4/15/2014 3:37:04 PM EDT
[#7]
Quote HistoryQuoted:
Depending on whether psa pays shipping or not it might be cheaper to order a new gas block and do it yourself. It would certainly be quicker to do it that way. Quote HistoryQuoted:
Quoted:
Quoted:
Quoted:
Looking more at it... it's going in crooked. I have a feeling someone goofed up the threads on either the screw or the block itself. If the threads in the hole are stripped, what would I do? would just running 2 screws be sufficient or would I need to send it back to PSA? I'm kind of holding off on going at it myself just in case it voids the warranty or anything. If PSA cross threaded it, i would send it back and have them put on a new gas block. It might just be that loose though, you never know. Damn. I've been looking forward to this upper too
I've got a feeling it's cross threaded. I can see some silver metal shavings on the edge of the hole. Depending on whether psa pays shipping or not it might be cheaper to order a new gas block and do it yourself. It would certainly be quicker to do it that way. IIRC, they always pay for the shipping via prepaid UPS labels. I do want to keep their lifetime warranty, so I would probably have them do it for me. |
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Posted: 4/15/2014 4:51:44 PM EDT
[#8]
I have had this happen several times with small handguards like the MI or the TROY. It is such a simple fix that I cannot believe it causes anyone concern. It usually happens when gas blocks with thick bottoms are used with long set screws, and usually on the front set screw if the barrel is dimpled on the rear. Solution, file the darned thing down. Just knock off the top of the set screw with a pillar file until it is almost flush with the gas block. You still have plenty of socket left to remove the set screw later unless you are goofy and use red lock-tite. Use blue and it will come right out. Touch up with the blueing solution of your choice. Done in ten minutes and don't make mountains out of molehills.
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Posted: 4/15/2014 4:55:48 PM EDT
[#9]
Quote HistoryQuoted:
I have had this happen several times with small handguards like the MI or the TROY. It is such a simple fix that I cannot believe it causes anyone concern. It usually happens when gas blocks with thick bottoms are used with long set screws, and usually on the front set screw if the barrel is dimpled on the rear. Solution, file the darned thing down. Just knock off the top of the set screw with a pillar file until it is almost flush with the gas block. You still have plenty of socket left to remove the set screw later unless you are goofy and use red lock-tite. Use blue and it will come right out. Touch up with the blueing solution of your choice. Done in ten minutes and don't make mountains out of molehills. The screw is cross threaded, I don't think it's making contact with the barrel as it should. The front two screws are perfect, the last screw (closest to the muzzle) is the one that's FUBAR. It won't move with the appropriate hex head. Jammed in there. I think it's gonna have to go back. |
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Posted: 4/15/2014 7:12:41 PM EDT
[#10]
Plan A: You can try taking the set screw completely out and then trying to keep it aligned correctly and catching the threads in the correct way, Often works, if it doesn't you can still send it back.
Plan B: Sometimes if the threads on the set screw are ruined and it is a standard set screw you can use a fresh one with fresh threads and it will kinda tap itself in. If this simple fix doesn't work I would be tempted to send it back as well. Plan C: It's actually not difficult to pull the block, chase the threads with the appropriate tap and use a new set screw, but that investment in time and tools may e a deal breaker. Let us know how it works out. |
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