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Posted: 8/2/2015 1:55:52 PM EDT
Anyone think this rivet is a cause for concern on my ATI SAT47? It stands proud compared with the other rivets, but in the several hundred rounds through the rifle it hasn't moved.  |
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If the receiver is properly heat treated, probably not.
I'd re-do though, just so it wasn't sticking out if nothing else. If it was a through and through rivet it would be comparatively easy to just do it yourself without too many extra tools. But those need to have a fixture on the inside to mash it against properly. And they need to be mashed flat enough on the inside to be out of the way. |
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Quoted:
It appears they used a swell neck rivet without properly dimpling the receiver for it. I don't know if its a big deal or not, but I'd probably send it back as it would absolutely annoy the shit out of me  Corrrect.. receiver was not dimpled at all whatsoever as far as I can tell. Fortunately it's the easiest rivet to re-do in the entire rifle, so if you choose to do it yourself it should be an OK learning process, and easy to correct if you screw it up. Drill the rivet center out with a small bit, and grind the head off slowly with a dremel. You should be able to punch it in through thh trunnion once the head is flush. I suggest googling the bolt cutter rivet squashers. You can make them out of the cheap Harbor Freight bolt cutters, it will make a good rivet. You can also dimple the receiver yourself with the cutters or a C-clamp, using a wood screw to set the dimple. You could leave it alone but the trunnion may eventually begin to put shear wear on the other rivets. The trunnion is designed to have the receiver dimpled into it, it locks the trunnion into the receiver and prevents it from exerting shear forces on the rivet necks. |
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Redoing that should be pretty easy. Those receivers are spot treated so that area should be relatively soft. Just dimple the receiver and re-rivet.
On a side note, it is sad to see so little care put into these ATI AKs. They're built on highly desirable Tula kits, but the receivers are spot treated, poorly riveted, and the barrels are neither chrome lined, nor nitrited. |
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Quoted:
Corrrect.. receiver was not dimpled at all whatsoever as far as I can tell. Fortunately it's the easiest rivet to re-do in the entire rifle, so if you choose to do it yourself it should be an OK learning process, and easy to correct if you screw it up. Drill the rivet center out with a small bit, and grind the head off slowly with a dremel. You should be able to punch it in through thh trunnion once the head is flush. I suggest googling the bolt cutter rivet squashers. You can make them out of the cheap Harbor Freight bolt cutters, it will make a good rivet. You can also dimple the receiver yourself with the cutters or a C-clamp, using a wood screw to set the dimple. You could leave it alone but the trunnion may eventually begin to put shear wear on the other rivets. The trunnion is designed to have the receiver dimpled into it, it locks the trunnion into the receiver and prevents it from exerting shear forces on the rivet necks. Quoted:
Quoted:
It appears they used a swell neck rivet without properly dimpling the receiver for it. I don't know if its a big deal or not, but I'd probably send it back as it would absolutely annoy the shit out of me Corrrect.. receiver was not dimpled at all whatsoever as far as I can tell. Fortunately it's the easiest rivet to re-do in the entire rifle, so if you choose to do it yourself it should be an OK learning process, and easy to correct if you screw it up. Drill the rivet center out with a small bit, and grind the head off slowly with a dremel. You should be able to punch it in through thh trunnion once the head is flush. I suggest googling the bolt cutter rivet squashers. You can make them out of the cheap Harbor Freight bolt cutters, it will make a good rivet. You can also dimple the receiver yourself with the cutters or a C-clamp, using a wood screw to set the dimple. You could leave it alone but the trunnion may eventually begin to put shear wear on the other rivets. The trunnion is designed to have the receiver dimpled into it, it locks the trunnion into the receiver and prevents it from exerting shear forces on the rivet necks. This is exactly what I was going to say. Even down to the bolt cutters. |
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